WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

[Xen-devel] 2.6.32 domU getting stuck

To: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-devel] 2.6.32 domU getting stuck
From: Josip Rodin <joy@xxxxxxxxxxxxxx>
Date: Wed, 19 Jan 2011 12:06:14 +0100
Bcc: sysadmin@xxxxxxxxx
Delivery-date: Wed, 19 Jan 2011 03:07:27 -0800
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: Mutt/1.5.18 (2008-05-17)
This is on a Debian 2.6.32 lenny-backports amd64 domU - SysRq+W (show
blocked tasks) says:

[...]
[78137.427846] apache2       D 0000000000000000     0  9566  24433 0x00000000
[78137.427846]  ffff8800bfbcd4c0 0000000000000286 0000000000000000 
000000010128ed1c
[78137.427846]  ffffffff8100dc35 000000000000f9e0 ffff88001889ffd8 
0000000000015780
[78137.427846]  0000000000015780 ffff880001a662e0 ffff880001a665d8 
0000000200000200
[78137.427846] Call Trace:
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fb9a2>] ? _spin_unlock_irqrestore+0xd/0xe
[78137.427846]  [<ffffffff8105abfa>] ? __mod_timer+0x141/0x153
[78137.427846]  [<ffffffff810c0121>] ? try_to_free_pages+0x379/0x38e
[78137.427846]  [<ffffffff812faa3a>] ? schedule_timeout+0xa5/0xdd
[78137.427846]  [<ffffffff8105a798>] ? process_timeout+0x0/0x5
[78137.427846]  [<ffffffff810ba126>] ? __alloc_pages_nodemask+0x48b/0x5f5
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fa700>] ? io_schedule+0x93/0xb7
[78137.427846]  [<ffffffff810bb6e5>] ? __do_page_cache_readahead+0x9b/0x1b4
[78137.427846]  [<ffffffff81064d04>] ? wake_bit_function+0x0/0x23
[78137.427846]  [<ffffffff810bb81a>] ? ra_submit+0x1c/0x20
[78137.427846]  [<ffffffff810b44f6>] ? filemap_fault+0x17d/0x2f6
[78137.427846]  [<ffffffff810ca43e>] ? __do_fault+0x54/0x3c3
[78137.427846]  [<ffffffff8100c241>] ? __raw_callee_save_xen_pud_val+0x11/0x1e
[78137.427846]  [<ffffffff810cc75d>] ? handle_mm_fault+0x3b8/0x80f
[78137.427846]  [<ffffffff81241f5e>] ? sys_accept4+0x168/0x1d7
[78137.427846]  [<ffffffff8102cdc0>] ? pvclock_clocksource_read+0x3a/0x8b
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fde86>] ? do_page_fault+0x2e0/0x2fc
[78137.427846]  [<ffffffff812fbd25>] ? page_fault+0x25/0x30
[78137.427846] apache2       D ffff8800034f4780     0  9568  24433 0x00000000
[78137.427846]  ffff8800bddf7810 0000000000000282 0000000000000000 
000000010128ed1c
[78137.427846]  ffffffff8100dc35 000000000000f9e0 ffff880035f2dfd8 
0000000000015780
[78137.427846]  0000000000015780 ffff880001a67100 ffff880001a673f8 
0000000500000200
[78137.427846] Call Trace:
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fb9a2>] ? _spin_unlock_irqrestore+0xd/0xe
[78137.427846]  [<ffffffff8105abfa>] ? __mod_timer+0x141/0x153
[78137.427846]  [<ffffffff810c0121>] ? try_to_free_pages+0x379/0x38e
[78137.427846]  [<ffffffff812faa3a>] ? schedule_timeout+0xa5/0xdd
[78137.427846]  [<ffffffff8105a798>] ? process_timeout+0x0/0x5
[78137.427846]  [<ffffffff810ba126>] ? __alloc_pages_nodemask+0x48b/0x5f5
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fa700>] ? io_schedule+0x93/0xb7
[78137.427846]  [<ffffffff810bb6e5>] ? __do_page_cache_readahead+0x9b/0x1b4
[78137.427846]  [<ffffffff81064d04>] ? wake_bit_function+0x0/0x23
[78137.427846]  [<ffffffff810bb81a>] ? ra_submit+0x1c/0x20
[78137.427846]  [<ffffffff810b44f6>] ? filemap_fault+0x17d/0x2f6
[78137.427846]  [<ffffffff810ca43e>] ? __do_fault+0x54/0x3c3
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff81097d1c>] ? __call_rcu+0x110/0x118
[78137.427846]  [<ffffffff8100c241>] ? __raw_callee_save_xen_pud_val+0x11/0x1e
[78137.427846]  [<ffffffff810cc75d>] ? handle_mm_fault+0x3b8/0x80f
[78137.427846]  [<ffffffff8100e242>] ? check_events+0x12/0x20
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8100e242>] ? check_events+0x12/0x20
[78137.427846]  [<ffffffff81152a9f>] ? cap_file_free_security+0x0/0x1
[78137.427846]  [<ffffffff812fde86>] ? do_page_fault+0x2e0/0x2fc
[78137.427846]  [<ffffffff812fbd25>] ? page_fault+0x25/0x30
[78137.427846] apache2       D ffff8800034b8780     0  9570  24433 0x00000000
[78137.427846]  ffff880002a50710 0000000000000286 ffff880053f9db38 
ffff880053f9db34
[78137.427846]  ffffffff8100dc35 000000000000f9e0 ffff880053f9dfd8 
0000000000015780
[78137.427846]  0000000000015780 ffff880001a60000 ffff880001a602f8 
0000000300000200
[78137.427846] Call Trace:
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8105abfa>] ? __mod_timer+0x141/0x153
[78137.427846]  [<ffffffff812faa3a>] ? schedule_timeout+0xa5/0xdd
[78137.427846]  [<ffffffff8105a798>] ? process_timeout+0x0/0x5
[78137.427846]  [<ffffffff810ba126>] ? __alloc_pages_nodemask+0x48b/0x5f5
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fa700>] ? io_schedule+0x93/0xb7
[78137.427846]  [<ffffffff810bb6e5>] ? __do_page_cache_readahead+0x9b/0x1b4
[78137.427846]  [<ffffffff81064d04>] ? wake_bit_function+0x0/0x23
[78137.427846]  [<ffffffff810bb81a>] ? ra_submit+0x1c/0x20
[78137.427846]  [<ffffffff810b44f6>] ? filemap_fault+0x17d/0x2f6
[78137.427846]  [<ffffffff810ca43e>] ? __do_fault+0x54/0x3c3
[78137.427846]  [<ffffffff8100c241>] ? __raw_callee_save_xen_pud_val+0x11/0x1e
[78137.427846]  [<ffffffff810cc75d>] ? handle_mm_fault+0x3b8/0x80f
[78137.427846]  [<ffffffff812fb8da>] ? _spin_lock_irq+0x7/0x22
[78137.427846]  [<ffffffff8105b8ea>] ? do_sigaction+0x155/0x16a
[78137.427846]  [<ffffffff812fde86>] ? do_page_fault+0x2e0/0x2fc
[78137.427846]  [<ffffffff812fbd25>] ? page_fault+0x25/0x30
[78137.427846] apache2       D ffff88000345e780     0  9572  24433 0x00000000
[78137.427846]  ffff880083928710 0000000000000286 0000000000000000 
000000010128ed1c
[78137.427846]  ffffffff8100dc35 000000000000f9e0 ffff8800a7819fd8 
0000000000015780
[78137.427846]  0000000000015780 ffff880002abf810 ffff880002abfb08 
0000000000000200
[78137.427846] Call Trace:
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fb9a2>] ? _spin_unlock_irqrestore+0xd/0xe
[78137.427846]  [<ffffffff8105abfa>] ? __mod_timer+0x141/0x153
[78137.427846]  [<ffffffff810c0121>] ? try_to_free_pages+0x379/0x38e
[78137.427846]  [<ffffffff812faa3a>] ? schedule_timeout+0xa5/0xdd
[78137.427846]  [<ffffffff8105a798>] ? process_timeout+0x0/0x5
[78137.427846]  [<ffffffff810ba126>] ? __alloc_pages_nodemask+0x48b/0x5f5
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fa700>] ? io_schedule+0x93/0xb7
[78137.427846]  [<ffffffff810bb6e5>] ? __do_page_cache_readahead+0x9b/0x1b4
[78137.427846]  [<ffffffff81064d04>] ? wake_bit_function+0x0/0x23
[78137.427846]  [<ffffffff810bb81a>] ? ra_submit+0x1c/0x20
[78137.427846]  [<ffffffff810b44f6>] ? filemap_fault+0x17d/0x2f6
[78137.427846]  [<ffffffff810ca43e>] ? __do_fault+0x54/0x3c3
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff81097d1c>] ? __call_rcu+0x110/0x118
[78137.427846]  [<ffffffff8100c241>] ? __raw_callee_save_xen_pud_val+0x11/0x1e
[78137.427846]  [<ffffffff810cc75d>] ? handle_mm_fault+0x3b8/0x80f
[78137.427846]  [<ffffffff8100e242>] ? check_events+0x12/0x20
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8100e242>] ? check_events+0x12/0x20
[78137.427846]  [<ffffffff81152a9f>] ? cap_file_free_security+0x0/0x1
[78137.427846]  [<ffffffff812fde86>] ? do_page_fault+0x2e0/0x2fc
[78137.427846]  [<ffffffff812fbd25>] ? page_fault+0x25/0x30
[78137.427846] apache2       D ffff880003512780     0  9574  24433 0x00000000
[78137.427846]  ffff8800865fa350 0000000000000286 0000000000000000 
000000010128ed1c
[78137.427846]  ffffffff8100dc35 000000000000f9e0 ffff8800094d5fd8 
0000000000015780
[78137.427846]  0000000000015780 ffff880002abc6a0 ffff880002abc998 
0000000600000200
[78137.427846] Call Trace:
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fb9a2>] ? _spin_unlock_irqrestore+0xd/0xe
[78137.427846]  [<ffffffff8105abfa>] ? __mod_timer+0x141/0x153
[78137.427846]  [<ffffffff810c0121>] ? try_to_free_pages+0x379/0x38e
[78137.427846]  [<ffffffff812faa3a>] ? schedule_timeout+0xa5/0xdd
[78137.427846]  [<ffffffff8105a798>] ? process_timeout+0x0/0x5
[78137.427846]  [<ffffffff810ba126>] ? __alloc_pages_nodemask+0x48b/0x5f5
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fa700>] ? io_schedule+0x93/0xb7
[78137.427846]  [<ffffffff810bb6e5>] ? __do_page_cache_readahead+0x9b/0x1b4
[78137.427846]  [<ffffffff81064d04>] ? wake_bit_function+0x0/0x23
[78137.427846]  [<ffffffff810bb81a>] ? ra_submit+0x1c/0x20
[78137.427846]  [<ffffffff810b44f6>] ? filemap_fault+0x17d/0x2f6
[78137.427846]  [<ffffffff810ca43e>] ? __do_fault+0x54/0x3c3
[78137.427846]  [<ffffffff811099c9>] ? splice_from_pipe+0x58/0x63
[78137.427846]  [<ffffffff810ff546>] ? touch_atime+0x7c/0x127
[78137.427846]  [<ffffffff8100c241>] ? __raw_callee_save_xen_pud_val+0x11/0x1e
[78137.427846]  [<ffffffff810cc75d>] ? handle_mm_fault+0x3b8/0x80f
[78137.427846]  [<ffffffff812fde86>] ? do_page_fault+0x2e0/0x2fc
[78137.427846]  [<ffffffff812fbd25>] ? page_fault+0x25/0x30
[78137.427846] apache2       D ffff88000347c780     0  9576  24433 0x00000000
[78137.427846]  ffff880092e862e0 0000000000000282 0000000000000000 
000000010128ed1c
[78137.427846]  ffffffff8100dc35 000000000000f9e0 ffff880051e4ffd8 
0000000000015780
[78137.427846]  0000000000015780 ffff880002ab8710 ffff880002ab8a08 
0000000100000200
[78137.427846] Call Trace:
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fb9a2>] ? _spin_unlock_irqrestore+0xd/0xe
[78137.427846]  [<ffffffff8105abfa>] ? __mod_timer+0x141/0x153
[78137.427846]  [<ffffffff810c0121>] ? try_to_free_pages+0x379/0x38e
[78137.427846]  [<ffffffff812faa3a>] ? schedule_timeout+0xa5/0xdd
[78137.427846]  [<ffffffff8105a798>] ? process_timeout+0x0/0x5
[78137.427846]  [<ffffffff810ba126>] ? __alloc_pages_nodemask+0x48b/0x5f5
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fa700>] ? io_schedule+0x93/0xb7
[78137.427846]  [<ffffffff810bb6e5>] ? __do_page_cache_readahead+0x9b/0x1b4
[78137.427846]  [<ffffffff81064d04>] ? wake_bit_function+0x0/0x23
[78137.427846]  [<ffffffff810bb81a>] ? ra_submit+0x1c/0x20
[78137.427846]  [<ffffffff810b44f6>] ? filemap_fault+0x17d/0x2f6
[78137.427846]  [<ffffffff810ca43e>] ? __do_fault+0x54/0x3c3
[78137.427846]  [<ffffffff8100c241>] ? __raw_callee_save_xen_pud_val+0x11/0x1e
[78137.427846]  [<ffffffff810cc75d>] ? handle_mm_fault+0x3b8/0x80f
[78137.427846]  [<ffffffff812fde86>] ? do_page_fault+0x2e0/0x2fc
[78137.427846]  [<ffffffff812fbd25>] ? page_fault+0x25/0x30
[78137.427846] apache2       D ffff88000345e780     0  9577  24433 0x00000000
[78137.427846]  ffff8800018aa350 0000000000000286 0000000000000000 
000000010128ed1c
[78137.427846]  ffffffff8100dc35 000000000000f9e0 ffff880021df1fd8 
0000000000015780
[78137.427846]  0000000000015780 ffff880002aba350 ffff880002aba648 
0000000000000200
[78137.427846] Call Trace:
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fb9a2>] ? _spin_unlock_irqrestore+0xd/0xe
[78137.427846]  [<ffffffff8105abfa>] ? __mod_timer+0x141/0x153
[78137.427846]  [<ffffffff810c0121>] ? try_to_free_pages+0x379/0x38e
[78137.427846]  [<ffffffff812faa3a>] ? schedule_timeout+0xa5/0xdd
[78137.427846]  [<ffffffff8105a798>] ? process_timeout+0x0/0x5
[78137.427846]  [<ffffffff810ba126>] ? __alloc_pages_nodemask+0x48b/0x5f5
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff810bb6e5>] ? __do_page_cache_readahead+0x9b/0x1b4
[78137.427846]  [<ffffffff8100e5d4>] ? xen_smp_send_reschedule+0x0/0x7
[78137.427846]  [<ffffffff810bb81a>] ? ra_submit+0x1c/0x20
[78137.427846]  [<ffffffff810b44f6>] ? filemap_fault+0x17d/0x2f6
[78137.427846]  [<ffffffff810ca43e>] ? __do_fault+0x54/0x3c3
[78137.427846]  [<ffffffff8100c241>] ? __raw_callee_save_xen_pud_val+0x11/0x1e
[78137.427846]  [<ffffffff810cc75d>] ? handle_mm_fault+0x3b8/0x80f
[78137.427846]  [<ffffffff812fb8da>] ? _spin_lock_irq+0x7/0x22
[78137.427846]  [<ffffffff8105b8ea>] ? do_sigaction+0x155/0x16a
[78137.427846]  [<ffffffff812fde86>] ? do_page_fault+0x2e0/0x2fc
[78137.427846]  [<ffffffff812fbd25>] ? page_fault+0x25/0x30
[78137.427846] apache2       D ffff88000345e780     0  9588  24433 0x00000000
[78137.427846]  ffff880086d82350 0000000000000282 0000000000000000 
000000010128ed1c
[78137.427846]  ffffffff8100dc35 000000000000f9e0 ffff88003407dfd8 
0000000000015780
[78137.427846]  0000000000015780 ffff8800699f0000 ffff8800699f02f8 
0000000000000200
[78137.427846] Call Trace:
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fb9a2>] ? _spin_unlock_irqrestore+0xd/0xe
[78137.427846]  [<ffffffff8105abfa>] ? __mod_timer+0x141/0x153
[78137.427846]  [<ffffffff810c0121>] ? try_to_free_pages+0x379/0x38e
[78137.427846]  [<ffffffff812faa3a>] ? schedule_timeout+0xa5/0xdd
[78137.427846]  [<ffffffff8105a798>] ? process_timeout+0x0/0x5
[78137.427846]  [<ffffffff810ba126>] ? __alloc_pages_nodemask+0x48b/0x5f5
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff810bb6e5>] ? __do_page_cache_readahead+0x9b/0x1b4
[78137.427846]  [<ffffffff810bb81a>] ? ra_submit+0x1c/0x20
[78137.427846]  [<ffffffff810b44f6>] ? filemap_fault+0x17d/0x2f6
[78137.427846]  [<ffffffff810ca43e>] ? __do_fault+0x54/0x3c3
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff81097d1c>] ? __call_rcu+0x110/0x118
[78137.427846]  [<ffffffff8100c241>] ? __raw_callee_save_xen_pud_val+0x11/0x1e
[78137.427846]  [<ffffffff810cc75d>] ? handle_mm_fault+0x3b8/0x80f
[78137.427846]  [<ffffffff8100e242>] ? check_events+0x12/0x20
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8100e242>] ? check_events+0x12/0x20
[78137.427846]  [<ffffffff81152a9f>] ? cap_file_free_security+0x0/0x1
[78137.427846]  [<ffffffff812fde86>] ? do_page_fault+0x2e0/0x2fc
[78137.427846]  [<ffffffff812fbd25>] ? page_fault+0x25/0x30
[78137.427846] apache2       D ffff8800034d6780     0  9592  24433 0x00000000
[78137.427846]  ffff880001addbd0 0000000000000282 000000009b082000 
0000000000000002
[78137.427846]  0000000000000040 000000000000f9e0 ffff88004e16ffd8 
0000000000015780
[78137.427846]  0000000000015780 ffff8800699f2a60 ffff8800699f2d58 
00000004810414a4
[78137.427846] Call Trace:
[78137.427846]  [<ffffffff81243032>] ? release_sock+0x13/0xa0
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8100e242>] ? check_events+0x12/0x20
[78137.427846]  [<ffffffff812fae21>] ? __mutex_lock_common+0x122/0x192
[78137.427846]  [<ffffffff812faf49>] ? mutex_lock+0x1a/0x31
[78137.427846]  [<ffffffff810f5ffc>] ? do_lookup+0x80/0x15d
[78137.427846]  [<ffffffff810f6a7c>] ? __link_path_walk+0x5a5/0x6f5
[78137.427846]  [<ffffffff810f6dfa>] ? path_walk+0x66/0xc9
[78137.427846]  [<ffffffff810f8264>] ? do_path_lookup+0x20/0x77
[78137.427846]  [<ffffffff810f9746>] ? user_path_at+0x48/0x79
[78137.427846]  [<ffffffff810cc75d>] ? handle_mm_fault+0x3b8/0x80f
[78137.427846]  [<ffffffff810f1c22>] ? vfs_fstatat+0x2c/0x57
[78137.427846]  [<ffffffff810f1d15>] ? sys_newstat+0x11/0x30
[78137.427846]  [<ffffffff812fde86>] ? do_page_fault+0x2e0/0x2fc
[78137.427846]  [<ffffffff812fbd25>] ? page_fault+0x25/0x30
[78137.427846]  [<ffffffff81010b42>] ? system_call_fastpath+0x16/0x1b
[78137.427846] apache2       D ffff88000345e780     0  9593  24433 0x00000000
[78137.427846]  ffff88005fff4db0 0000000000000282 0000000000000000 
000000010128ed1c
[78137.427846]  ffffffff8100dc35 000000000000f9e0 ffff880028e37fd8 
0000000000015780
[78137.427846]  0000000000015780 ffff8800699f54c0 ffff8800699f57b8 
0000000000000200
[78137.427846] Call Trace:
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fb9a2>] ? _spin_unlock_irqrestore+0xd/0xe
[78137.427846]  [<ffffffff8105abfa>] ? __mod_timer+0x141/0x153
[78137.427846]  [<ffffffff810c0121>] ? try_to_free_pages+0x379/0x38e
[78137.427846]  [<ffffffff812faa3a>] ? schedule_timeout+0xa5/0xdd
[78137.427846]  [<ffffffff8105a798>] ? process_timeout+0x0/0x5
[78137.427846]  [<ffffffff810ba126>] ? __alloc_pages_nodemask+0x48b/0x5f5
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fa700>] ? io_schedule+0x93/0xb7
[78137.427846]  [<ffffffff810bb6e5>] ? __do_page_cache_readahead+0x9b/0x1b4
[78137.427846]  [<ffffffff81064d04>] ? wake_bit_function+0x0/0x23
[78137.427846]  [<ffffffff810bb81a>] ? ra_submit+0x1c/0x20
[78137.427846]  [<ffffffff810b44f6>] ? filemap_fault+0x17d/0x2f6
[78137.427846]  [<ffffffff810ca43e>] ? __do_fault+0x54/0x3c3
[78137.427846]  [<ffffffff810ee6e1>] ? do_sync_read+0xce/0x113
[78137.427846]  [<ffffffff8100c241>] ? __raw_callee_save_xen_pud_val+0x11/0x1e
[78137.427846]  [<ffffffff810cc75d>] ? handle_mm_fault+0x3b8/0x80f
[78137.427846]  [<ffffffff8102cdc0>] ? pvclock_clocksource_read+0x3a/0x8b
[78137.427846]  [<ffffffff812fde86>] ? do_page_fault+0x2e0/0x2fc
[78137.427846]  [<ffffffff812fbd25>] ? page_fault+0x25/0x30
[78137.427846] apache2       D ffff8800034d6780     0  9594  24433 0x00000000
[78137.427846]  ffff880086d84db0 0000000000000282 0000000000000000 
000000010128ed1c
[78137.427846]  ffffffff8100dc35 000000000000f9e0 ffff8800a2a19fd8 
0000000000015780
[78137.427846]  0000000000015780 ffff880001af3f90 ffff880001af4288 
0000000400000200
[78137.427846] Call Trace:
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fb9a2>] ? _spin_unlock_irqrestore+0xd/0xe
[78137.427846]  [<ffffffff8105abfa>] ? __mod_timer+0x141/0x153
[78137.427846]  [<ffffffff810c0121>] ? try_to_free_pages+0x379/0x38e
[78137.427846]  [<ffffffff812faa3a>] ? schedule_timeout+0xa5/0xdd
[78137.427846]  [<ffffffff8105a798>] ? process_timeout+0x0/0x5
[78137.427846]  [<ffffffff810ba126>] ? __alloc_pages_nodemask+0x48b/0x5f5
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff810bb6e5>] ? __do_page_cache_readahead+0x9b/0x1b4
[78137.427846]  [<ffffffff810bb81a>] ? ra_submit+0x1c/0x20
[78137.427846]  [<ffffffff810b44f6>] ? filemap_fault+0x17d/0x2f6
[78137.427846]  [<ffffffff810ca43e>] ? __do_fault+0x54/0x3c3
[78137.427846]  [<ffffffff8100c241>] ? __raw_callee_save_xen_pud_val+0x11/0x1e
[78137.427846]  [<ffffffff810cc75d>] ? handle_mm_fault+0x3b8/0x80f
[78137.427846]  [<ffffffff812fb8da>] ? _spin_lock_irq+0x7/0x22
[78137.427846]  [<ffffffff8105b8ea>] ? do_sigaction+0x155/0x16a
[78137.427846]  [<ffffffff812fde86>] ? do_page_fault+0x2e0/0x2fc
[78137.427846]  [<ffffffff812fbd25>] ? page_fault+0x25/0x30
[78137.427846] apache2       D ffff88000345e780     0  9599  24433 0x00000000
[78137.427846]  ffff880001920710 0000000000000282 ffff880092bbbb38 
ffff880092bbbb34
[78137.427846]  ffffffff8100dc35 000000000000f9e0 ffff880092bbbfd8 
0000000000015780
[78137.427846]  0000000000015780 ffff880001af1530 ffff880001af1828 
0000000000000200
[78137.427846] Call Trace:
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8105abfa>] ? __mod_timer+0x141/0x153
[78137.427846]  [<ffffffff812faa3a>] ? schedule_timeout+0xa5/0xdd
[78137.427846]  [<ffffffff8105a798>] ? process_timeout+0x0/0x5
[78137.427846]  [<ffffffff810ba126>] ? __alloc_pages_nodemask+0x48b/0x5f5
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fa700>] ? io_schedule+0x93/0xb7
[78137.427846]  [<ffffffff810bb6e5>] ? __do_page_cache_readahead+0x9b/0x1b4
[78137.427846]  [<ffffffff81064d04>] ? wake_bit_function+0x0/0x23
[78137.427846]  [<ffffffff810bb81a>] ? ra_submit+0x1c/0x20
[78137.427846]  [<ffffffff810b44f6>] ? filemap_fault+0x17d/0x2f6
[78137.427846]  [<ffffffff810ca43e>] ? __do_fault+0x54/0x3c3
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8100e242>] ? check_events+0x12/0x20
[78137.427846]  [<ffffffff8100c241>] ? __raw_callee_save_xen_pud_val+0x11/0x1e
[78137.427846]  [<ffffffff810cc75d>] ? handle_mm_fault+0x3b8/0x80f
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff810fcde3>] ? d_kill+0x58/0x61
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fde86>] ? do_page_fault+0x2e0/0x2fc
[78137.427846]  [<ffffffff812fbd25>] ? page_fault+0x25/0x30
[78137.427846] apache2       D ffff88000347c780     0  9600  24433 0x00000000
[78137.427846]  ffff88009ad7e2e0 0000000000000286 0000000000000000 
000000010128ed1c
[78137.427846]  ffffffff8100dc35 000000000000f9e0 ffff8800bbf79fd8 
0000000000015780
[78137.427846]  0000000000015780 ffff880001af2350 ffff880001af2648 
0000000100000200
[78137.427846] Call Trace:
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fb9a2>] ? _spin_unlock_irqrestore+0xd/0xe
[78137.427846]  [<ffffffff8105abfa>] ? __mod_timer+0x141/0x153
[78137.427846]  [<ffffffff810c0121>] ? try_to_free_pages+0x379/0x38e
[78137.427846]  [<ffffffff812faa3a>] ? schedule_timeout+0xa5/0xdd
[78137.427846]  [<ffffffff8105a798>] ? process_timeout+0x0/0x5
[78137.427846]  [<ffffffff810ba126>] ? __alloc_pages_nodemask+0x48b/0x5f5
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fa700>] ? io_schedule+0x93/0xb7
[78137.427846]  [<ffffffff810bb6e5>] ? __do_page_cache_readahead+0x9b/0x1b4
[78137.427846]  [<ffffffff81064d04>] ? wake_bit_function+0x0/0x23
[78137.427846]  [<ffffffff810bb81a>] ? ra_submit+0x1c/0x20
[78137.427846]  [<ffffffff810b44f6>] ? filemap_fault+0x17d/0x2f6
[78137.427846]  [<ffffffff810ca43e>] ? __do_fault+0x54/0x3c3
[78137.427846]  [<ffffffff810ee6e1>] ? do_sync_read+0xce/0x113
[78137.427846]  [<ffffffff8100c241>] ? __raw_callee_save_xen_pud_val+0x11/0x1e
[78137.427846]  [<ffffffff810cc75d>] ? handle_mm_fault+0x3b8/0x80f
[78137.427846]  [<ffffffff8102cdc0>] ? pvclock_clocksource_read+0x3a/0x8b
[78137.427846]  [<ffffffff8102cdc0>] ? pvclock_clocksource_read+0x3a/0x8b
[78137.427846]  [<ffffffff812fde86>] ? do_page_fault+0x2e0/0x2fc
[78137.427846]  [<ffffffff812fbd25>] ? page_fault+0x25/0x30
[78137.427846] apache2       D ffff88000347c780     0  9601  24433 0x00000008
[78137.427846]  ffff880092e83880 0000000000000282 ffff88007664bb38 
ffff88007664bb34
[78137.427846]  ffffffff8100dc35 000000000000f9e0 ffff88007664bfd8 
0000000000015780
[78137.427846]  0000000000015780 ffff880001af0e20 ffff880001af1118 
0000000100000200
[78137.427846] Call Trace:
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8105abfa>] ? __mod_timer+0x141/0x153
[78137.427846]  [<ffffffff812faa3a>] ? schedule_timeout+0xa5/0xdd
[78137.427846]  [<ffffffff8105a798>] ? process_timeout+0x0/0x5
[78137.427846]  [<ffffffff810ba126>] ? __alloc_pages_nodemask+0x48b/0x5f5
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fa700>] ? io_schedule+0x93/0xb7
[78137.427846]  [<ffffffff810bb6e5>] ? __do_page_cache_readahead+0x9b/0x1b4
[78137.427846]  [<ffffffff81064d04>] ? wake_bit_function+0x0/0x23
[78137.427846]  [<ffffffff810bb81a>] ? ra_submit+0x1c/0x20
[78137.427846]  [<ffffffff810b44f6>] ? filemap_fault+0x17d/0x2f6
[78137.427846]  [<ffffffff810ca43e>] ? __do_fault+0x54/0x3c3
[78137.427846]  [<ffffffff8105363b>] ? _local_bh_enable_ip+0x22/0x8f
[78137.427846]  [<ffffffff8127b537>] ? inet_csk_accept+0x1bf/0x1e9
[78137.427846]  [<ffffffff8100c241>] ? __raw_callee_save_xen_pud_val+0x11/0x1e
[78137.427846]  [<ffffffff810cc75d>] ? handle_mm_fault+0x3b8/0x80f
[78137.427846]  [<ffffffff81241f5e>] ? sys_accept4+0x168/0x1d7
[78137.427846]  [<ffffffff8102cdc0>] ? pvclock_clocksource_read+0x3a/0x8b
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fde86>] ? do_page_fault+0x2e0/0x2fc
[78137.427846]  [<ffffffff812fbd25>] ? page_fault+0x25/0x30
[78137.427846] apache2       D ffff8800034f4780     0  9604  24433 0x00000000
[78137.427846]  ffff8800018ae9f0 0000000000000282 0000000000000000 
000000010128ed1c
[78137.427846]  ffffffff8100dc35 000000000000f9e0 ffff880072835fd8 
0000000000015780
[78137.427846]  0000000000015780 ffff880001af7100 ffff880001af73f8 
0000000500000200
[78137.427846] Call Trace:
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fb9a2>] ? _spin_unlock_irqrestore+0xd/0xe
[78137.427846]  [<ffffffff8105abfa>] ? __mod_timer+0x141/0x153
[78137.427846]  [<ffffffff810c0121>] ? try_to_free_pages+0x379/0x38e
[78137.427846]  [<ffffffff812faa3a>] ? schedule_timeout+0xa5/0xdd
[78137.427846]  [<ffffffff8105a798>] ? process_timeout+0x0/0x5
[78137.427846]  [<ffffffff810ba126>] ? __alloc_pages_nodemask+0x48b/0x5f5
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fa700>] ? io_schedule+0x93/0xb7
[78137.427846]  [<ffffffff810bb6e5>] ? __do_page_cache_readahead+0x9b/0x1b4
[78137.427846]  [<ffffffff81064d04>] ? wake_bit_function+0x0/0x23
[78137.427846]  [<ffffffff810bb81a>] ? ra_submit+0x1c/0x20
[78137.427846]  [<ffffffff810b44f6>] ? filemap_fault+0x17d/0x2f6
[78137.427846]  [<ffffffff810ca43e>] ? __do_fault+0x54/0x3c3
[78137.427846]  [<ffffffff8100c241>] ? __raw_callee_save_xen_pud_val+0x11/0x1e
[78137.427846]  [<ffffffff810cc75d>] ? handle_mm_fault+0x3b8/0x80f
[78137.427846]  [<ffffffff812fb8da>] ? _spin_lock_irq+0x7/0x22
[78137.427846]  [<ffffffff8105b8ea>] ? do_sigaction+0x155/0x16a
[78137.427846]  [<ffffffff812fde86>] ? do_page_fault+0x2e0/0x2fc
[78137.427846]  [<ffffffff812fbd25>] ? page_fault+0x25/0x30
[78137.427846] apache2       D ffff88000347c780     0  9606  24433 0x00000000
[78137.427846]  ffff880001878710 0000000000000282 0000000000000000 
000000010128ed1c
[78137.427846]  ffffffff8100dc35 000000000000f9e0 ffff8800a6875fd8 
0000000000015780
[78137.427846]  0000000000015780 ffff880001af3170 ffff880001af3468 
0000000100000200
[78137.427846] Call Trace:
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fb9a2>] ? _spin_unlock_irqrestore+0xd/0xe
[78137.427846]  [<ffffffff8105abfa>] ? __mod_timer+0x141/0x153
[78137.427846]  [<ffffffff810c0121>] ? try_to_free_pages+0x379/0x38e
[78137.427846]  [<ffffffff812faa3a>] ? schedule_timeout+0xa5/0xdd
[78137.427846]  [<ffffffff8105a798>] ? process_timeout+0x0/0x5
[78137.427846]  [<ffffffff810ba126>] ? __alloc_pages_nodemask+0x48b/0x5f5
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fa700>] ? io_schedule+0x93/0xb7
[78137.427846]  [<ffffffff810bb6e5>] ? __do_page_cache_readahead+0x9b/0x1b4
[78137.427846]  [<ffffffff81064d04>] ? wake_bit_function+0x0/0x23
[78137.427846]  [<ffffffff810bb81a>] ? ra_submit+0x1c/0x20
[78137.427846]  [<ffffffff810b44f6>] ? filemap_fault+0x17d/0x2f6
[78137.427846]  [<ffffffff810ca43e>] ? __do_fault+0x54/0x3c3
[78137.427846]  [<ffffffff8100c241>] ? __raw_callee_save_xen_pud_val+0x11/0x1e
[78137.427846]  [<ffffffff810cc75d>] ? handle_mm_fault+0x3b8/0x80f
[78137.427846]  [<ffffffff810f9750>] ? user_path_at+0x52/0x79
[78137.427846]  [<ffffffff812fde86>] ? do_page_fault+0x2e0/0x2fc
[78137.427846]  [<ffffffff812fbd25>] ? page_fault+0x25/0x30
[78137.427846] apache2       D ffff88000345e780     0  9608  24433 0x00000000
[78137.427846]  ffff88008392bf90 0000000000000286 0000000000000000 
000000010128ed1c
[78137.427846]  ffffffff8100dc35 000000000000f9e0 ffff88001c965fd8 
0000000000015780
[78137.427846]  0000000000015780 ffff880001af1c40 ffff880001af1f38 
0000000000000200
[78137.427846] Call Trace:
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fb9a2>] ? _spin_unlock_irqrestore+0xd/0xe
[78137.427846]  [<ffffffff8105abfa>] ? __mod_timer+0x141/0x153
[78137.427846]  [<ffffffff810c0121>] ? try_to_free_pages+0x379/0x38e
[78137.427846]  [<ffffffff812faa3a>] ? schedule_timeout+0xa5/0xdd
[78137.427846]  [<ffffffff8105a798>] ? process_timeout+0x0/0x5
[78137.427846]  [<ffffffff810ba126>] ? __alloc_pages_nodemask+0x48b/0x5f5
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff810bb6e5>] ? __do_page_cache_readahead+0x9b/0x1b4
[78137.427846]  [<ffffffff810bb81a>] ? ra_submit+0x1c/0x20
[78137.427846]  [<ffffffff810b44f6>] ? filemap_fault+0x17d/0x2f6
[78137.427846]  [<ffffffff810ca43e>] ? __do_fault+0x54/0x3c3
[78137.427846]  [<ffffffff810cc75d>] ? handle_mm_fault+0x3b8/0x80f
[78137.427846]  [<ffffffff8102cdc0>] ? pvclock_clocksource_read+0x3a/0x8b
[78137.427846]  [<ffffffff812fde86>] ? do_page_fault+0x2e0/0x2fc
[78137.427846]  [<ffffffff812fbd25>] ? page_fault+0x25/0x30
[78137.427846] apache2       D ffff8800034d6780     0  9610  24433 0x00000000
[78137.427846]  ffff88005fcdc6a0 0000000000000282 0000000000000000 
000000010128ed1c
[78137.427846]  ffffffff8100dc35 000000000000f9e0 ffff8800066e3fd8 
0000000000015780
[78137.427846]  0000000000015780 ffff880092e87100 ffff880092e873f8 
0000000400000200
[78137.427846] Call Trace:
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fb9a2>] ? _spin_unlock_irqrestore+0xd/0xe
[78137.427846]  [<ffffffff8105abfa>] ? __mod_timer+0x141/0x153
[78137.427846]  [<ffffffff810c0121>] ? try_to_free_pages+0x379/0x38e
[78137.427846]  [<ffffffff812faa3a>] ? schedule_timeout+0xa5/0xdd
[78137.427846]  [<ffffffff8105a798>] ? process_timeout+0x0/0x5
[78137.427846]  [<ffffffff810ba126>] ? __alloc_pages_nodemask+0x48b/0x5f5
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fa700>] ? io_schedule+0x93/0xb7
[78137.427846]  [<ffffffff810bb6e5>] ? __do_page_cache_readahead+0x9b/0x1b4
[78137.427846]  [<ffffffff81064d04>] ? wake_bit_function+0x0/0x23
[78137.427846]  [<ffffffff810bb81a>] ? ra_submit+0x1c/0x20
[78137.427846]  [<ffffffff810b44f6>] ? filemap_fault+0x17d/0x2f6
[78137.427846]  [<ffffffff810ca43e>] ? __do_fault+0x54/0x3c3
[78137.427846]  [<ffffffff8100c241>] ? __raw_callee_save_xen_pud_val+0x11/0x1e
[78137.427846]  [<ffffffff810cc75d>] ? handle_mm_fault+0x3b8/0x80f
[78137.427846]  [<ffffffff81289e23>] ? tcp_write_xmit+0x93e/0x96c
[78137.427846]  [<ffffffff8102cdc0>] ? pvclock_clocksource_read+0x3a/0x8b
[78137.427846]  [<ffffffff8106c1df>] ? ktime_get_ts+0x68/0xb2
[78137.427846]  [<ffffffff812fde86>] ? do_page_fault+0x2e0/0x2fc
[78137.427846]  [<ffffffff812fbd25>] ? page_fault+0x25/0x30
[78137.427846] apache2       D 0000000000000001     0  9611  24433 0x00000000
[78137.427846]  ffff8800bfbcd4c0 0000000000000282 0000000000000000 
000000010128ed1c
[78137.427846]  ffffffff8100dc35 000000000000f9e0 ffff880057f57fd8 
0000000000015780
[78137.427846]  0000000000015780 ffff880092e84db0 ffff880092e850a8 
0000000000000200
[78137.427846] Call Trace:
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fb9a2>] ? _spin_unlock_irqrestore+0xd/0xe
[78137.427846]  [<ffffffff8105abfa>] ? __mod_timer+0x141/0x153
[78137.427846]  [<ffffffff810c0121>] ? try_to_free_pages+0x379/0x38e
[78137.427846]  [<ffffffff812faa3a>] ? schedule_timeout+0xa5/0xdd
[78137.427846]  [<ffffffff8105a798>] ? process_timeout+0x0/0x5
[78137.427846]  [<ffffffff810ba126>] ? __alloc_pages_nodemask+0x48b/0x5f5
[78137.427846]  [<ffffffff810bb6e5>] ? __do_page_cache_readahead+0x9b/0x1b4
[78137.427846]  [<ffffffff810bb81a>] ? ra_submit+0x1c/0x20
[78137.427846]  [<ffffffff810b44f6>] ? filemap_fault+0x17d/0x2f6
[78137.427846]  [<ffffffff810ca43e>] ? __do_fault+0x54/0x3c3
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8100e242>] ? check_events+0x12/0x20
[78137.427846]  [<ffffffff8100c241>] ? __raw_callee_save_xen_pud_val+0x11/0x1e
[78137.427846]  [<ffffffff810cc75d>] ? handle_mm_fault+0x3b8/0x80f
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff810fcde3>] ? d_kill+0x58/0x61
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fde86>] ? do_page_fault+0x2e0/0x2fc
[78137.427846]  [<ffffffff812fbd25>] ? page_fault+0x25/0x30
[78137.427846] apache2       D 0000000000000000     0  9612  24433 0x00000000
[78137.427846]  ffff8800bfa58e20 0000000000000286 0000000000000000 
000000010128ed1c
[78137.427846]  ffffffff8100dc35 000000000000f9e0 ffff880087639fd8 
0000000000015780
[78137.427846]  0000000000015780 ffff880092e83f90 ffff880092e84288 
0000000100000200
[78137.427846] Call Trace:
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff812fb9a2>] ? _spin_unlock_irqrestore+0xd/0xe
[78137.427846]  [<ffffffff8105abfa>] ? __mod_timer+0x141/0x153
[78137.427846]  [<ffffffff810c0121>] ? try_to_free_pages+0x379/0x38e
[78137.427846]  [<ffffffff812faa3a>] ? schedule_timeout+0xa5/0xdd
[78137.427846]  [<ffffffff8105a798>] ? process_timeout+0x0/0x5
[78137.427846]  [<ffffffff810ba126>] ? __alloc_pages_nodemask+0x48b/0x5f5
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff810bb6e5>] ? __do_page_cache_readahead+0x9b/0x1b4
[78137.427846]  [<ffffffff810bb81a>] ? ra_submit+0x1c/0x20
[78137.427846]  [<ffffffff810b44f6>] ? filemap_fault+0x17d/0x2f6
[78137.427846]  [<ffffffff810ca43e>] ? __do_fault+0x54/0x3c3
[78137.427846]  [<ffffffff8100c241>] ? __raw_callee_save_xen_pud_val+0x11/0x1e
[78137.427846]  [<ffffffff810cc75d>] ? handle_mm_fault+0x3b8/0x80f
[78137.427846]  [<ffffffff81289e23>] ? tcp_write_xmit+0x93e/0x96c
[78137.427846]  [<ffffffff812fde86>] ? do_page_fault+0x2e0/0x2fc
[78137.427846]  [<ffffffff812fbd25>] ? page_fault+0x25/0x30
[78137.427846] apache2       D 0000000000000000     0  9614  24433 0x00000000
[78137.427846]  ffff8800bfbcd4c0 0000000000000286 0000000000000000 
000000010128ed1c
[78137.427846]  ffffffff8100dc35 000000000000f9e0 ffff880024ffdfd8 
0000000000015780
[78137.427846]  0000000000015780 ffff880092e82350 ffff880092e82648 
0000000400000200
[78137.427846] Call Trace:
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fb9a2>] ? _spin_unlock_irqrestore+0xd/0xe
[78137.427846]  [<ffffffff8105abfa>] ? __mod_timer+0x141/0x153
[78137.427846]  [<ffffffff810c0121>] ? try_to_free_pages+0x379/0x38e
[78137.427846]  [<ffffffff812faa3a>] ? schedule_timeout+0xa5/0xdd
[78137.427846]  [<ffffffff8105a798>] ? process_timeout+0x0/0x5
[78137.427846]  [<ffffffff810ba126>] ? __alloc_pages_nodemask+0x48b/0x5f5
[78137.427846]  [<ffffffff810cc61f>] ? handle_mm_fault+0x27a/0x80f
[78137.427846]  [<ffffffff81241f5e>] ? sys_accept4+0x168/0x1d7
[78137.427846]  [<ffffffff8102cdc0>] ? pvclock_clocksource_read+0x3a/0x8b
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fde86>] ? do_page_fault+0x2e0/0x2fc
[78137.427846]  [<ffffffff812fbd25>] ? page_fault+0x25/0x30
[78137.427846] apache2       D ffff8800034b8780     0  9616  24433 0x00000000
[78137.427846]  ffff880065e1f100 0000000000000286 0000000000000000 
000000010128ed1c
[78137.427846]  ffffffff8100dc35 000000000000f9e0 ffff880067231fd8 
0000000000015780
[78137.427846]  0000000000015780 ffff880092e80710 ffff880092e80a08 
0000000300000200
[78137.427846] Call Trace:
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fb9a2>] ? _spin_unlock_irqrestore+0xd/0xe
[78137.427846]  [<ffffffff8105abfa>] ? __mod_timer+0x141/0x153
[78137.427846]  [<ffffffff810c0121>] ? try_to_free_pages+0x379/0x38e
[78137.427846]  [<ffffffff812faa3a>] ? schedule_timeout+0xa5/0xdd
[78137.427846]  [<ffffffff8105a798>] ? process_timeout+0x0/0x5
[78137.427846]  [<ffffffff810ba126>] ? __alloc_pages_nodemask+0x48b/0x5f5
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff810bb6e5>] ? __do_page_cache_readahead+0x9b/0x1b4
[78137.427846]  [<ffffffff8100e5d4>] ? xen_smp_send_reschedule+0x0/0x7
[78137.427846]  [<ffffffff810bb81a>] ? ra_submit+0x1c/0x20
[78137.427846]  [<ffffffff810b44f6>] ? filemap_fault+0x17d/0x2f6
[78137.427846]  [<ffffffff810ca43e>] ? __do_fault+0x54/0x3c3
[78137.427846]  [<ffffffff8100c241>] ? __raw_callee_save_xen_pud_val+0x11/0x1e
[78137.427846]  [<ffffffff810cc75d>] ? handle_mm_fault+0x3b8/0x80f
[78137.427846]  [<ffffffff8100e242>] ? check_events+0x12/0x20
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8100e242>] ? check_events+0x12/0x20
[78137.427846]  [<ffffffff81152ab5>] ? cap_dentry_open+0x0/0x3
[78137.427846]  [<ffffffff812fde86>] ? do_page_fault+0x2e0/0x2fc
[78137.427846]  [<ffffffff812fbd25>] ? page_fault+0x25/0x30
[78137.427846] apache2       D ffff88000347c780     0  9620  24433 0x00000000
[78137.427846]  ffff880002abc6a0 0000000000000286 0000000000000002 
ffffffff8103f604
[78137.427846]  0000000000000001 000000000000f9e0 ffff88008c655fd8 
0000000000015780
[78137.427846]  0000000000015780 ffff88006c7a7810 ffff88006c7a7b08 
00000001810414a4
[78137.427846] Call Trace:
[78137.427846]  [<ffffffff8103f604>] ? find_busiest_queue+0xba/0xdb
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8100e242>] ? check_events+0x12/0x20
[78137.427846]  [<ffffffff812fae21>] ? __mutex_lock_common+0x122/0x192
[78137.427846]  [<ffffffff812faf49>] ? mutex_lock+0x1a/0x31
[78137.427846]  [<ffffffff810f5ffc>] ? do_lookup+0x80/0x15d
[78137.427846]  [<ffffffff810f6a7c>] ? __link_path_walk+0x5a5/0x6f5
[78137.427846]  [<ffffffff810f6dfa>] ? path_walk+0x66/0xc9
[78137.427846]  [<ffffffff810f8264>] ? do_path_lookup+0x20/0x77
[78137.427846]  [<ffffffff810f9746>] ? user_path_at+0x48/0x79
[78137.427846]  [<ffffffff810cc75d>] ? handle_mm_fault+0x3b8/0x80f
[78137.427846]  [<ffffffff810f1c22>] ? vfs_fstatat+0x2c/0x57
[78137.427846]  [<ffffffff810f1d15>] ? sys_newstat+0x11/0x30
[78137.427846]  [<ffffffff812fde86>] ? do_page_fault+0x2e0/0x2fc
[78137.427846]  [<ffffffff812fbd25>] ? page_fault+0x25/0x30
[78137.427846]  [<ffffffff81010b42>] ? system_call_fastpath+0x16/0x1b
[78137.427846] apache2       D ffff88000349a780     0  9625  24433 0x00000000
[78137.427846]  ffff880072080000 0000000000000282 0000000000000000 
000000010128ed1c
[78137.427846]  ffffffff8100dc35 000000000000f9e0 ffff880052299fd8 
0000000000015780
[78137.427846]  0000000000015780 ffff880072082350 ffff880072082648 
0000000200000200
[78137.427846] Call Trace:
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fb9a2>] ? _spin_unlock_irqrestore+0xd/0xe
[78137.427846]  [<ffffffff8105abfa>] ? __mod_timer+0x141/0x153
[78137.427846]  [<ffffffff810c0121>] ? try_to_free_pages+0x379/0x38e
[78137.427846]  [<ffffffff812faa3a>] ? schedule_timeout+0xa5/0xdd
[78137.427846]  [<ffffffff8105a798>] ? process_timeout+0x0/0x5
[78137.427846]  [<ffffffff810ba126>] ? __alloc_pages_nodemask+0x48b/0x5f5
[78137.427846]  [<ffffffff810cc61f>] ? handle_mm_fault+0x27a/0x80f
[78137.427846]  [<ffffffff81241f5e>] ? sys_accept4+0x168/0x1d7
[78137.427846]  [<ffffffff8102cdc0>] ? pvclock_clocksource_read+0x3a/0x8b
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fde86>] ? do_page_fault+0x2e0/0x2fc
[78137.427846]  [<ffffffff812fbd25>] ? page_fault+0x25/0x30
[78137.427846] apache2       D ffff8800034f4780     0  9627  24433 0x00000000
[78137.427846]  ffff8800bd16e2e0 0000000000000282 0000000000000000 
000000010128ed1c
[78137.427846]  ffffffff8100dc35 000000000000f9e0 ffff880066639fd8 
0000000000015780
[78137.427846]  0000000000015780 ffff88000186a350 ffff88000186a648 
0000000500000200
[78137.427846] Call Trace:
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fb9a2>] ? _spin_unlock_irqrestore+0xd/0xe
[78137.427846]  [<ffffffff8105abfa>] ? __mod_timer+0x141/0x153
[78137.427846]  [<ffffffff810c0121>] ? try_to_free_pages+0x379/0x38e
[78137.427846]  [<ffffffff812faa3a>] ? schedule_timeout+0xa5/0xdd
[78137.427846]  [<ffffffff8105a798>] ? process_timeout+0x0/0x5
[78137.427846]  [<ffffffff810ba126>] ? __alloc_pages_nodemask+0x48b/0x5f5
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fa700>] ? io_schedule+0x93/0xb7
[78137.427846]  [<ffffffff810bb6e5>] ? __do_page_cache_readahead+0x9b/0x1b4
[78137.427846]  [<ffffffff81064d04>] ? wake_bit_function+0x0/0x23
[78137.427846]  [<ffffffff810bb81a>] ? ra_submit+0x1c/0x20
[78137.427846]  [<ffffffff810b44f6>] ? filemap_fault+0x17d/0x2f6
[78137.427846]  [<ffffffff810ca43e>] ? __do_fault+0x54/0x3c3
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fb9a2>] ? _spin_unlock_irqrestore+0xd/0xe
[78137.427846]  [<ffffffff8105abfa>] ? __mod_timer+0x141/0x153
[78137.427846]  [<ffffffff8100c241>] ? __raw_callee_save_xen_pud_val+0x11/0x1e
[78137.427846]  [<ffffffff810cc75d>] ? handle_mm_fault+0x3b8/0x80f
[78137.427846]  [<ffffffff81243032>] ? release_sock+0x13/0xa0
[78137.427846]  [<ffffffff8105363b>] ? _local_bh_enable_ip+0x22/0x8f
[78137.427846]  [<ffffffff812fde86>] ? do_page_fault+0x2e0/0x2fc
[78137.427846]  [<ffffffff812fbd25>] ? page_fault+0x25/0x30
[78137.427846] apache2       D ffff88000345e780     0  9629  24433 0x00000000
[78137.427846]  ffff880001923170 0000000000000282 0000000000000000 
000000010128ed1c
[78137.427846]  ffffffff8100dc35 000000000000f9e0 ffff8800a66e5fd8 
0000000000015780
[78137.427846]  0000000000015780 ffff88009ad7aa60 ffff88009ad7ad58 
0000000000000200
[78137.427846] Call Trace:
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fb9a2>] ? _spin_unlock_irqrestore+0xd/0xe
[78137.427846]  [<ffffffff8105abfa>] ? __mod_timer+0x141/0x153
[78137.427846]  [<ffffffff810c0121>] ? try_to_free_pages+0x379/0x38e
[78137.427846]  [<ffffffff812faa3a>] ? schedule_timeout+0xa5/0xdd
[78137.427846]  [<ffffffff8105a798>] ? process_timeout+0x0/0x5
[78137.427846]  [<ffffffff810ba126>] ? __alloc_pages_nodemask+0x48b/0x5f5
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fa700>] ? io_schedule+0x93/0xb7
[78137.427846]  [<ffffffff810bb6e5>] ? __do_page_cache_readahead+0x9b/0x1b4
[78137.427846]  [<ffffffff81064d04>] ? wake_bit_function+0x0/0x23
[78137.427846]  [<ffffffff810bb81a>] ? ra_submit+0x1c/0x20
[78137.427846]  [<ffffffff810b44f6>] ? filemap_fault+0x17d/0x2f6
[78137.427846]  [<ffffffff810ca43e>] ? __do_fault+0x54/0x3c3
[78137.427846]  [<ffffffff810ee6e1>] ? do_sync_read+0xce/0x113
[78137.427846]  [<ffffffff8100c241>] ? __raw_callee_save_xen_pud_val+0x11/0x1e
[78137.427846]  [<ffffffff810cc75d>] ? handle_mm_fault+0x3b8/0x80f
[78137.427846]  [<ffffffff812fbf5a>] ? error_exit+0x2a/0x60
[78137.427846]  [<ffffffff8101151d>] ? retint_restore_args+0x5/0x6
[78137.427846]  [<ffffffff812fde86>] ? do_page_fault+0x2e0/0x2fc
[78137.427846]  [<ffffffff812fbd25>] ? page_fault+0x25/0x30
[78137.427846] apache2       D ffff8800034b8780     0  9630  24433 0x00000000
[78137.427846]  ffff880086d82a60 0000000000000286 0000000000000000 
000000010128ed1c
[78137.427846]  ffffffff8100dc35 000000000000f9e0 ffff8800913e9fd8 
0000000000015780
[78137.427846]  0000000000015780 ffff88009ad7b170 ffff88009ad7b468 
0000000300000200
[78137.427846] Call Trace:
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fb9a2>] ? _spin_unlock_irqrestore+0xd/0xe
[78137.427846]  [<ffffffff8105abfa>] ? __mod_timer+0x141/0x153
[78137.427846]  [<ffffffff810c0121>] ? try_to_free_pages+0x379/0x38e
[78137.427846]  [<ffffffff812faa3a>] ? schedule_timeout+0xa5/0xdd
[78137.427846]  [<ffffffff8105a798>] ? process_timeout+0x0/0x5
[78137.427846]  [<ffffffff810ba126>] ? __alloc_pages_nodemask+0x48b/0x5f5
[78137.427846]  [<ffffffff810bb6e5>] ? __do_page_cache_readahead+0x9b/0x1b4
[78137.427846]  [<ffffffff810bb81a>] ? ra_submit+0x1c/0x20
[78137.427846]  [<ffffffff810b44f6>] ? filemap_fault+0x17d/0x2f6
[78137.427846]  [<ffffffff810ca43e>] ? __do_fault+0x54/0x3c3
[78137.427846]  [<ffffffff8100c241>] ? __raw_callee_save_xen_pud_val+0x11/0x1e
[78137.427846]  [<ffffffff810cc75d>] ? handle_mm_fault+0x3b8/0x80f
[78137.427846]  [<ffffffff81289e23>] ? tcp_write_xmit+0x93e/0x96c
[78137.427846]  [<ffffffff8102cdc0>] ? pvclock_clocksource_read+0x3a/0x8b
[78137.427846]  [<ffffffff8106c1df>] ? ktime_get_ts+0x68/0xb2
[78137.427846]  [<ffffffff812fde86>] ? do_page_fault+0x2e0/0x2fc
[78137.427846]  [<ffffffff812fbd25>] ? page_fault+0x25/0x30
[78137.427846] apache2       D ffff880003512780     0  9651  24433 0x00000000
[78137.427846]  ffff880002abc6a0 0000000000000286 0000000000000000 
000000010128ed1c
[78137.427846]  ffffffff8100dc35 000000000000f9e0 ffff88005dfeffd8 
0000000000015780
[78137.427846]  0000000000015780 ffff88009ad7a350 ffff88009ad7a648 
0000000600000200
[78137.427846] Call Trace:
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fb9a2>] ? _spin_unlock_irqrestore+0xd/0xe
[78137.427846]  [<ffffffff8105abfa>] ? __mod_timer+0x141/0x153
[78137.427846]  [<ffffffff810c0121>] ? try_to_free_pages+0x379/0x38e
[78137.427846]  [<ffffffff812faa3a>] ? schedule_timeout+0xa5/0xdd
[78137.427846]  [<ffffffff8105a798>] ? process_timeout+0x0/0x5
[78137.427846]  [<ffffffff810ba126>] ? __alloc_pages_nodemask+0x48b/0x5f5
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fa700>] ? io_schedule+0x93/0xb7
[78137.427846]  [<ffffffff810bb6e5>] ? __do_page_cache_readahead+0x9b/0x1b4
[78137.427846]  [<ffffffff81064d04>] ? wake_bit_function+0x0/0x23
[78137.427846]  [<ffffffff810bb81a>] ? ra_submit+0x1c/0x20
[78137.427846]  [<ffffffff810b44f6>] ? filemap_fault+0x17d/0x2f6
[78137.427846]  [<ffffffff810ca43e>] ? __do_fault+0x54/0x3c3
[78137.427846]  [<ffffffff8100c241>] ? __raw_callee_save_xen_pud_val+0x11/0x1e
[78137.427846]  [<ffffffff810cc75d>] ? handle_mm_fault+0x3b8/0x80f
[78137.427846]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78137.427846]  [<ffffffff8100e242>] ? check_events+0x12/0x20
[78137.427846]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78137.427846]  [<ffffffff812fde86>] ? do_page_fault+0x2e0/0x2fc
[78137.427846]  [<ffffffff812fbd25>] ? page_fault+0x25/0x30
[78137.427846] Sched Debug Version: v0.09, 2.6.32-bpo.5-amd64 #1
[78137.427846] now at 78148825.414302 msecs
[78137.427846]   .jiffies                                 : 4314426651
[78137.427846]   .sysctl_sched_latency                    : 20.000000
[78137.427846]   .sysctl_sched_min_granularity            : 4.000000
[78137.427846]   .sysctl_sched_wakeup_granularity         : 4.000000
[78137.427846]   .sysctl_sched_child_runs_first           : 0.000000
[78137.427846]   .sysctl_sched_features                   : 15834235
[78137.427846]
[78137.427846] cpu#0, 2493.750 MHz
[78137.427846]   .nr_running                    : 0
[78137.427846]   .load                          : 0
[78137.427846]   .nr_switches                   : 47902047
[78137.427846]   .nr_load_updates               : 15938294
[78137.427846]   .nr_uninterruptible            : 75
[78137.427846]   .next_balance                  : 4314.426652
[78137.427846]   .curr->pid                     : 0
[78137.427846]   .clock                         : 78137422.159104
[78137.427846]   .cpu_load[0]                   : 0
[78137.427846]   .cpu_load[1]                   : 0
[78137.427846]   .cpu_load[2]                   : 0
[78137.427846]   .cpu_load[3]                   : 0
[78137.427846]   .cpu_load[4]                   : 0
[78137.427846]
[78137.427846] cfs_rq[0]:/
[78137.427846]   .exec_clock                    : 0.000000
[78137.427846]   .MIN_vruntime                  : 0.000001
[78137.427846]   .min_vruntime                  : 5680735.179660
[78137.427846]   .max_vruntime                  : 0.000001
[78137.427846]   .spread                        : 0.000000
[78137.427846]   .spread0                       : 0.000000
[78137.427846]   .nr_running                    : 0
[78137.427846]   .load                          : 0
[78137.427846]   .nr_spread_over                : 0
[78137.427846]   .shares                        : 0
[78137.427846]
[78137.427846] rt_rq[0]:
[78137.427846]   .rt_nr_running                 : 0
[78137.427846]   .rt_throttled                  : 0
[78137.427846]   .rt_time                       : 0.000000
[78137.427846]   .rt_runtime                    : 950.000000
[78137.427846]
[78137.427846] runnable tasks:
[78137.427846]             task   PID         tree-key  switches  prio     
exec-runtime         sum-exec        sum-sleep
[78137.427846] 
----------------------------------------------------------------------------------------------------------
[78137.427846]
[78137.427846] cpu#1, 2493.750 MHz
[78137.427846]   .nr_running                    : 0
[78137.427846]   .load                          : 0
[78137.427846]   .nr_switches                   : 8912456
[78137.427846]   .nr_load_updates               : 10191035
[78137.427846]   .nr_uninterruptible            : 30
[78137.427846]   .next_balance                  : 4314.426652
[78137.427846]   .curr->pid                     : 0
[78137.427846]   .clock                         : 78148824.260676
[78137.427846]   .cpu_load[0]                   : 0
[78137.427846]   .cpu_load[1]                   : 0
[78137.427846]   .cpu_load[2]                   : 0
[78137.427846]   .cpu_load[3]                   : 0
[78137.427846]   .cpu_load[4]                   : 0
[78137.427846]
[78137.427846] cfs_rq[1]:/
[78137.427846]   .exec_clock                    : 0.000000
[78137.427846]   .MIN_vruntime                  : 0.000001
[78137.427846]   .min_vruntime                  : 3652776.005874
[78137.427846]   .max_vruntime                  : 0.000001
[78137.427846]   .spread                        : 0.000000
[78137.427846]   .spread0                       : -2027959.173786
[78137.427846]   .nr_running                    : 0
[78137.427846]   .load                          : 0
[78137.427846]   .nr_spread_over                : 0
[78137.427846]   .shares                        : 0
[78137.427846]
[78137.427846] rt_rq[1]:
[78137.427846]   .rt_nr_running                 : 0
[78137.427846]   .rt_throttled                  : 0
[78137.427846]   .rt_time                       : 0.000000
[78137.427846]   .rt_runtime                    : 950.000000
[78137.427846]
[78137.427846] runnable tasks:
[78137.427846]             task   PID         tree-key  switches  prio     
exec-runtime         sum-exec        sum-sleep
[78137.427846] 
----------------------------------------------------------------------------------------------------------
[78137.427846]
[78137.427846] cpu#2, 2493.750 MHz
[78137.427846]   .nr_running                    : 0
[78137.427846]   .load                          : 0
[78137.427846]   .nr_switches                   : 6929803
[78137.427846]   .nr_load_updates               : 6509315
[78137.427846]   .nr_uninterruptible            : 20
[78137.427846]   .next_balance                  : 4314.426652
[78137.427846]   .curr->pid                     : 0
[78137.427846]   .clock                         : 78148824.506917
[78137.427846]   .cpu_load[0]                   : 0
[78137.427846]   .cpu_load[1]                   : 0
[78137.427846]   .cpu_load[2]                   : 0
[78137.427846]   .cpu_load[3]                   : 0
[78137.427846]   .cpu_load[4]                   : 0
[78137.427846]
[78137.427846] cfs_rq[2]:/
[78137.427846]   .exec_clock                    : 0.000000
[78137.427846]   .MIN_vruntime                  : 0.000001
[78137.427846]   .min_vruntime                  : 3012547.394539
[78137.427846]   .max_vruntime                  : 0.000001
[78137.427846]   .spread                        : 0.000000
[78137.427846]   .spread0                       : -2668187.785121
[78137.427846]   .nr_running                    : 0
[78137.427846]   .load                          : 0
[78137.427846]   .nr_spread_over                : 0
[78137.427846]   .shares                        : 0
[78137.427846]
[78137.427846] rt_rq[2]:
[78137.427846]   .rt_nr_running                 : 0
[78137.427846]   .rt_throttled                  : 0
[78137.427846]   .rt_time                       : 0.000000
[78137.427846]   .rt_runtime                    : 950.000000
[78137.427846]
[78137.427846] runnable tasks:
[78137.427846]             task   PID         tree-key  switches  prio     
exec-runtime         sum-exec        sum-sleep
[78137.427846] 
----------------------------------------------------------------------------------------------------------
[78137.427846]
[78137.427846] cpu#3, 2493.750 MHz
[78137.427846]   .nr_running                    : 0
[78137.427846]   .load                          : 0
[78137.427846]   .nr_switches                   : 4929509
[78137.427846]   .nr_load_updates               : 4016716
[78137.427846]   .nr_uninterruptible            : 13
[78137.427846]   .next_balance                  : 4314.426652
[78137.427846]   .curr->pid                     : 0
[78137.427846]   .clock                         : 78149024.755812
[78137.427846]   .cpu_load[0]                   : 0
[78137.427846]   .cpu_load[1]                   : 0
[78137.427846]   .cpu_load[2]                   : 0
[78137.427846]   .cpu_load[3]                   : 0
[78137.427846]   .cpu_load[4]                   : 0
[78137.427846]
[78137.427846] cfs_rq[3]:/
[78137.427846]   .exec_clock                    : 0.000000
[78137.427846]   .MIN_vruntime                  : 0.000001
[78137.427846]   .min_vruntime                  : 2379542.626815
[78137.427846]   .max_vruntime                  : 0.000001
[78137.427846]   .spread                        : 0.000000
[78137.427846]   .spread0                       : -3301192.552845
[78137.427846]   .nr_running                    : 0
[78137.427846]   .load                          : 0
[78137.427846]   .nr_spread_over                : 0
[78137.427846]   .shares                        : 0
[78137.427846]
[78137.427846] rt_rq[3]:
[78137.427846]   .rt_nr_running                 : 0
[78137.427846]   .rt_throttled                  : 0
[78137.427846]   .rt_time                       : 0.000000
[78137.427846]   .rt_runtime                    : 950.000000
[78137.427846]
[78137.427846] runnable tasks:
[78137.427846]             task   PID         tree-key  switches  prio     
exec-runtime         sum-exec        sum-sleep
[78137.427846] 
----------------------------------------------------------------------------------------------------------
[78137.427846]
[78137.427846] cpu#4, 2493.750 MHz
[78137.427846]   .nr_running                    : 0
[78137.427846]   .load                          : 0
[78137.427846]   .nr_switches                   : 3274386
[78137.427846]   .nr_load_updates               : 2348628
[78137.427846]   .nr_uninterruptible            : 33
[78137.427846]   .next_balance                  : 4314.426714
[78137.427846]   .curr->pid                     : 0
[78137.427846]   .clock                         : 78149025.003801
[78137.427846]   .cpu_load[0]                   : 0
[78137.427846]   .cpu_load[1]                   : 0
[78137.427846]   .cpu_load[2]                   : 0
[78137.427846]   .cpu_load[3]                   : 0
[78137.427846]   .cpu_load[4]                   : 0
[78137.427846]
[78137.427846] cfs_rq[4]:/
[78137.427846]   .exec_clock                    : 0.000000
[78137.427846]   .MIN_vruntime                  : 0.000001
[78137.427846]   .min_vruntime                  : 1864943.780970
[78137.427846]   .max_vruntime                  : 0.000001
[78137.427846]   .spread                        : 0.000000
[78137.427846]   .spread0                       : -3815791.398690
[78137.427846]   .nr_running                    : 0
[78137.427846]   .load                          : 0
[78137.427846]   .nr_spread_over                : 0
[78137.427846]   .shares                        : 0
[78137.427846]
[78137.427846] rt_rq[4]:
[78137.427846]   .rt_nr_running                 : 0
[78137.427846]   .rt_throttled                  : 0
[78137.427846]   .rt_time                       : 0.000000
[78137.427846]   .rt_runtime                    : 950.000000
[78137.427846]
[78137.427846] runnable tasks:
[78137.427846]             task   PID         tree-key  switches  prio     
exec-runtime         sum-exec        sum-sleep
[78137.427846] 
----------------------------------------------------------------------------------------------------------
[78137.427846]
[78137.427846] cpu#5, 2493.750 MHz
[78137.427846]   .nr_running                    : 0
[78137.427846]   .load                          : 0
[78137.427846]   .nr_switches                   : 3594802
[78137.427846]   .nr_load_updates               : 1453667
[78137.427846]   .nr_uninterruptible            : 39
[78137.427846]   .next_balance                  : 4314.426652
[78137.427846]   .curr->pid                     : 0
[78137.427846]   .clock                         : 78149025.261256
[78137.427846]   .cpu_load[0]                   : 0
[78137.427846]   .cpu_load[1]                   : 0
[78137.427846]   .cpu_load[2]                   : 0
[78137.427846]   .cpu_load[3]                   : 0
[78137.427846]   .cpu_load[4]                   : 0
[78137.427846]
[78137.427846] cfs_rq[5]:/
[78137.427846]   .exec_clock                    : 0.000000
[78137.427846]   .MIN_vruntime                  : 0.000001
[78137.427846]   .min_vruntime                  : 1282845.273539
[78137.427846]   .max_vruntime                  : 0.000001
[78137.427846]   .spread                        : 0.000000
[78137.427846]   .spread0                       : -4397889.906121
[78137.427846]   .nr_running                    : 0
[78137.427846]   .load                          : 0
[78137.427846]   .nr_spread_over                : 0
[78137.427846]   .shares                        : 0
[78137.427846]
[78137.427846] rt_rq[5]:
[78137.427846]   .rt_nr_running                 : 0
[78137.427846]   .rt_throttled                  : 0
[78137.427846]   .rt_time                       : 0.000000
[78137.427846]   .rt_runtime                    : 950.000000
[78137.427846]
[78137.427846] runnable tasks:
[78137.427846]             task   PID         tree-key  switches  prio     
exec-runtime         sum-exec        sum-sleep
[78137.427846] 
----------------------------------------------------------------------------------------------------------
[78137.427846]
[78137.427846] cpu#6, 2493.750 MHz
[78137.427846]   .nr_running                    : 0
[78137.427846]   .load                          : 0
[78137.427846]   .nr_switches                   : 3841965
[78137.427846]   .nr_load_updates               : 1239272
[78137.427846]   .nr_uninterruptible            : 26
[78137.427846]   .next_balance                  : 4314.426652
[78137.427846]   .curr->pid                     : 0
[78137.427846]   .clock                         : 78149025.516745
[78137.427846]   .cpu_load[0]                   : 0
[78137.427846]   .cpu_load[1]                   : 0
[78137.427846]   .cpu_load[2]                   : 0
[78137.427846]   .cpu_load[3]                   : 0
[78137.427846]   .cpu_load[4]                   : 0
[78137.427846]
[78137.427846] cfs_rq[6]:/
[78137.427846]   .exec_clock                    : 0.000000
[78137.427846]   .MIN_vruntime                  : 0.000001
[78137.427846]   .min_vruntime                  : 1124955.770063
[78137.427846]   .max_vruntime                  : 0.000001
[78137.427846]   .spread                        : 0.000000
[78137.427846]   .spread0                       : -4555779.409597
[78137.427846]   .nr_running                    : 0
[78137.427846]   .load                          : 0
[78137.427846]   .nr_spread_over                : 0
[78137.427846]   .shares                        : 0
[78137.427846]
[78137.427846] rt_rq[6]:
[78137.427846]   .rt_nr_running                 : 0
[78137.427846]   .rt_throttled                  : 0
[78137.427846]   .rt_time                       : 0.000000
[78137.427846]   .rt_runtime                    : 950.000000
[78137.427846]
[78137.427846] runnable tasks:
[78137.427846]             task   PID         tree-key  switches  prio     
exec-runtime         sum-exec        sum-sleep
[78137.427846] 
----------------------------------------------------------------------------------------------------------
[78137.427846]
[78137.427846] cpu#7, 2493.750 MHz
[78137.427846]   .nr_running                    : 0
[78137.427846]   .load                          : 0
[78137.427846]   .nr_switches                   : 3495511
[78137.427846]   .nr_load_updates               : 999351
[78137.427846]   .nr_uninterruptible            : 15
[78137.427846]   .next_balance                  : 4314.426652
[78137.427846]   .curr->pid                     : 0
[78137.427846]   .clock                         : 78149221.757059
[78137.427846]   .cpu_load[0]                   : 0
[78137.427846]   .cpu_load[1]                   : 0
[78137.427846]   .cpu_load[2]                   : 0
[78137.427846]   .cpu_load[3]                   : 0
[78137.427846]   .cpu_load[4]                   : 0
[78137.427846]
[78137.427846] cfs_rq[7]:/
[78137.427846]   .exec_clock                    : 0.000000
[78137.427846]   .MIN_vruntime                  : 0.000001
[78137.427846]   .min_vruntime                  : 899194.224398
[78137.427846]   .max_vruntime                  : 0.000001
[78137.427846]   .spread                        : 0.000000
[78137.427846]   .spread0                       : -4781540.955262
[78137.427846]   .nr_running                    : 0
[78137.427846]   .load                          : 0
[78137.427846]   .nr_spread_over                : 0
[78137.427846]   .shares                        : 0
[78137.427846]
[78137.427846] rt_rq[7]:
[78137.427846]   .rt_nr_running                 : 0
[78137.427846]   .rt_throttled                  : 0
[78137.427846]   .rt_time                       : 0.000000
[78137.427846]   .rt_runtime                    : 950.000000
[78137.427846]
[78137.427846] runnable tasks:
[78137.427846]             task   PID         tree-key  switches  prio     
exec-runtime         sum-exec        sum-sleep
[78137.427846] 
----------------------------------------------------------------------------------------------------------
[78137.427846]

And then I did:

[78270.883837] SysRq : Show backtrace of all active CPUs
[78270.883858] sending NMI to all CPUs:
[78270.883878] BUG: unable to handle kernel paging request at ffffffffff5fc310
[78270.883889] IP: [<ffffffff81027e23>] _flat_send_IPI_mask+0x4b/0x78
[78270.883905] PGD 1003067 PUD 1004067 PMD 159c067 PTE 0
[78270.883917] Thread overran stack, or stack corrupted
[78270.883929] Oops: 0002 [#1] SMP
[78270.883937] last sysfs file: 
/sys/devices/vbd-51713/block/xvda1/queue/scheduler
[78270.883947] CPU 0
[78270.883956] Modules linked in: ip6t_LOG ip6t_REJECT nf_conntrack_ipv6 
ip6table_filter ip6_tables xt_owner xt_recent ipt_REJECT ipt_LOG xt_state 
xt_tcpudp iptable_filter ip_tables x_tables nf_nat_ftp nf_nat nf_conntrack_ipv4 
nf_defrag_ipv4 nf_conntrack_ftp nf_conntrack snd_pcm snd_timer snd soundcore 
snd_page_alloc pcspkr xen_netfront evdev ext3 jbd mbcache dm_mirror 
dm_region_hash dm_log dm_snapshot dm_mod xen_blkfront thermal_sys
[78270.884063] Pid: 0, comm: swapper Not tainted 2.6.32-bpo.5-amd64 #1
[78270.884069] RIP: e030:[<ffffffff81027e23>]  [<ffffffff81027e23>] 
_flat_send_IPI_mask+0x4b/0x78
[78270.884079] RSP: e02b:ffff88000344cd88  EFLAGS: 00010086
[78270.884085] RAX: 00000000ff000000 RBX: 0000000000000800 RCX: 000000000000fe7d
[78270.884091] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000000000ff
[78270.884097] RBP: 0000000000000002 R08: 000000000013f3fa R09: 000000000000000a
[78270.884103] R10: 0000000000000000 R11: 00000000000186a0 R12: ffffffff814d0040
[78270.884109] R13: 00000000000000ff R14: 0000000000000007 R15: 000000000000006c
[78270.884124] FS:  00007ffc218d0750(0000) GS:ffff880003449000(0000) 
knlGS:0000000000000000
[78270.884131] CS:  e033 DS: 0000 ES: 0000 CR0: 000000008005003b
[78270.884137] CR2: ffffffffff5fc310 CR3: 0000000092198000 CR4: 0000000000002620
[78270.884144] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[78270.884150] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[78270.884157] Process swapper (pid: 0, threadinfo ffffffff81428000, task 
ffffffff8145d1f0)
[78270.884164] Stack:
[78270.884168]  ffffffff8100e22f 0000000000000000 000000000000006c 
0000000000000001
[78270.884178] <0> ffff880002b09800 ffffffff8102506e 00000000000000f0 
ffffffff812fb8b4
[78270.884190] <0> ffffffff81493620 ffffffff8120c26d 0000000000000001 
ffff8800bd355200
[78270.884205] Call Trace:
[78270.884210]  <IRQ>
[78270.884217]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78270.884225]  [<ffffffff8102506e>] ? arch_trigger_all_cpu_backtrace+0x3c/0x69
[78270.884235]  [<ffffffff812fb8b4>] ? _spin_lock_irqsave+0x15/0x34
[78270.884244]  [<ffffffff8120c26d>] ? __handle_sysrq+0xaf/0x14b
[78270.884251]  [<ffffffff8120cd3f>] ? hvc_poll+0x143/0x22c
[78270.884262]  [<ffffffff8120cf9d>] ? hvc_handle_interrupt+0xc/0x1f
[78270.884272]  [<ffffffff810945f0>] ? handle_IRQ_event+0x58/0x126
[78270.884281]  [<ffffffff8105a798>] ? process_timeout+0x0/0x5
[78270.884288]  [<ffffffff81095e34>] ? handle_edge_irq+0xc0/0x101
[78270.884296]  [<ffffffff8101327f>] ? handle_irq+0x17/0x1d
[78270.884305]  [<ffffffff811eeb8a>] ? __xen_evtchn_do_upcall+0xd5/0x15e
[78270.884313]  [<ffffffff811eec4f>] ? xen_evtchn_do_upcall+0x2e/0x41
[78270.884320]  [<ffffffff81011cfe>] ? xen_do_hypervisor_callback+0x1e/0x30
[78270.884326]  <EOI>
[78270.884332]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78270.884340]  [<ffffffff810093aa>] ? hypercall_page+0x3aa/0x1001
[78270.884348]  [<ffffffff810093aa>] ? hypercall_page+0x3aa/0x1001
[78270.884355]  [<ffffffff8100dcb3>] ? xen_safe_halt+0xc/0x15
[78270.884362]  [<ffffffff8100be63>] ? xen_idle+0x37/0x40
[78270.884372]  [<ffffffff8100feb1>] ? cpu_idle+0xa2/0xda
[78270.884383]  [<ffffffff814efcd1>] ? start_kernel+0x3dc/0x3e8
[78270.884389] Code: 48 8b 05 a1 a3 4a 00 83 fe 02 8b 58 34 75 0a ff 90 58 01 
00 00 eb 0e f3 90 8b 04 25 00 c3 5f ff f6 c4 10 75 f2 44 89 e8 c1 e0 18 <89> 04 
25 10 c3 5f ff 89 e8 09 d8 80 cf 04 83 fd 02 0f 44 c3 89
[78270.884482] RIP  [<ffffffff81027e23>] _flat_send_IPI_mask+0x4b/0x78
[78270.884491]  RSP <ffff88000344cd88>
[78270.884495] CR2: ffffffffff5fc310
[78270.884503] ---[ end trace 198fbc07a27eaf2a ]---
[78270.884509] Kernel panic - not syncing: Fatal exception in interrupt
[78270.884516] Pid: 0, comm: swapper Tainted: G      D    2.6.32-bpo.5-amd64 #1
[78270.884522] Call Trace:
[78270.884526]  <IRQ>  [<ffffffff812f9adc>] ? panic+0x86/0x143
[78270.884536]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78270.884546]  [<ffffffff811b703c>] ? dummycon_dummy+0x0/0x3
[78270.884552]  [<ffffffff8100dc35>] ? xen_force_evtchn_callback+0x9/0xa
[78270.884560]  [<ffffffff8100e242>] ? check_events+0x12/0x20
[78270.884566]  [<ffffffff811b703c>] ? dummycon_dummy+0x0/0x3
[78270.884573]  [<ffffffff812fb9a2>] ? _spin_unlock_irqrestore+0xd/0xe
[78270.884580]  [<ffffffff812fc845>] ? oops_end+0xa7/0xb4
[78270.884588]  [<ffffffff810323e4>] ? no_context+0x1e9/0x1f8
[78270.884595]  [<ffffffff8100e242>] ? check_events+0x12/0x20
[78270.884602]  [<ffffffff81032599>] ? __bad_area_nosemaphore+0x1a6/0x1ca
[78270.884609]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78270.884622]  [<ffffffff8104e8ef>] ? vprintk+0x321/0x364
[78270.884629]  [<ffffffff8100c205>] ? __raw_callee_save_xen_pmd_val+0x11/0x1e
[78270.884641]  [<ffffffff81031d07>] ? spurious_fault+0x12c/0x1c4
[78270.884649]  [<ffffffff812fdc0f>] ? do_page_fault+0x69/0x2fc
[78270.884656]  [<ffffffff812fbd25>] ? page_fault+0x25/0x30
[78270.884663]  [<ffffffff81027e23>] ? _flat_send_IPI_mask+0x4b/0x78
[78270.884670]  [<ffffffff81027e0d>] ? _flat_send_IPI_mask+0x35/0x78
[78270.884677]  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78270.884685]  [<ffffffff8102506e>] ? arch_trigger_all_cpu_backtrace+0x3c/0x69
[78270.884693]  [<ffffffff812fb8b4>] ? _spin_lock_irqsave+0x15/0x34
[78270.884706]  [<ffffffff8120c26d>] ? __handle_sysrq+0xaf/0x14b
[78270.884713]  [<ffffffff8120cd3f>] ? hvc_poll+0x143/0x22c
[78270.884720]  [<ffffffff8120cf9d>] ? hvc_handle_interrupt+0xc/0x1f
[78270.884731]  [<ffffffff810945f0>] ? handle_IRQ_event+0x58/0x126
[78270.884743]  [<ffffffff8105a798>] ? process_timeout+0x0/0x5
[78270.884750]  [<ffffffff81095e34>] ? handle_edge_irq+0xc0/0x101
[78270.884761]  [<ffffffff8101327f>] ? handle_irq+0x17/0x1d
[78270.884773]  [<ffffffff811eeb8a>] ? __xen_evtchn_do_upcall+0xd5/0x15e
[78270.884780]  [<ffffffff811eec4f>] ? xen_evtchn_do_upcall+0x2e/0x41
[78270.884788]  [<ffffffff81011cfe>] ? xen_do_hypervisor_callback+0x1e/0x30
[78270.884793]  <EOI>  [<ffffffff8100e22f>] ? xen_restore_fl_direct_end+0x0/0x1
[78270.884804]  [<ffffffff810093aa>] ? hypercall_page+0x3aa/0x1001
[78270.884811]  [<ffffffff810093aa>] ? hypercall_page+0x3aa/0x1001
[78270.884818]  [<ffffffff8100dcb3>] ? xen_safe_halt+0xc/0x15
[78270.884825]  [<ffffffff8100be63>] ? xen_idle+0x37/0x40
[78270.884831]  [<ffffffff8100feb1>] ? cpu_idle+0xa2/0xda
[78270.887828]  [<ffffffff814efcd1>] ? start_kernel+0x3dc/0x3e8

Whoopsy daisy.

-- 
     2. That which causes joy or happiness.

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

<Prev in Thread] Current Thread [Next in Thread>