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Re: [Xen-users] Xen 3.2.0 on debian etch, many kernel panics

from [Igor Chubin] [Permanent Link][Original]
To: Jordi Moles <jordi@xxxxxxxxx>
Subject: Re: [Xen-users] Xen 3.2.0 on debian etch, many kernel panics
From: Igor Chubin <igor@xxxxxxx>
Date: Mon, 3 Mar 2008 15:37:26 +0200
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User-agent: Mutt/1.5.17+20080114 (2008-01-14) 
On Mo, Mär 03, 2008 at 12:55:27 +0100, Jordi Moles wrote:
> Hi,
>
> i'm trying xen 3.2.0 on debian etch. I installed everything from the  
> repositories.
> I added the lenny repositories so that i could install the lastest  
> packages and have xen 3.2.0 on my machine from the debian repositories.
>
> these are the packages installed:
>
> ii  linux-image-2.6.18-6-xen-amd64    2.6.18.dfsg.1-18etch1               
>  Linux 2.6.18 image on AMD64
> ii  linux-modules-2.6.18-6-xen-amd64  2.6.18.dfsg.1-18etch1               
>  Linux 2.6.18 modules on AMD64
> ii  xen-hypervisor-3.2-1-amd64        3.2.0-2                             
>  The Xen Hypervisor on AMD64
> ii  xen-tools                         3.9-2                               
>  Tools to manage Debian XEN virtual servers
> ii  xen-utils-3.2-1                   3.2.0-2                             
>  XEN administrative tools
> ii  xen-utils-common                  3.1.0-1                             
>  XEN administrative tools - common files
>
> Everything was installed without any trouble or warning or error  
> reported in the logs, but now... well... the whole machine keeps hanging  
> with kernel panics.
>
> This is an example:
>
> *************************
>
> Mar  3 12:28:22 x03glus01 kernel: device vif5.1 entered promiscuous mode
> Mar  3 12:28:22 x03glus01 kernel: audit(1204543702.112:14): dev=vif5.1  
> prom=256 old_prom=0 auid=4294967295
> Mar  3 12:28:22 x03glus01 kernel: device vif5.0 entered promiscuous mode
> Mar  3 12:28:22 x03glus01 kernel: audit(1204543702.116:15): dev=vif5.0  
> prom=256 old_prom=0 auid=4294967295
> Mar  3 12:28:22 x03glus01 kernel: ADDRCONF(NETDEV_UP): vif5.1: link is  
> not ready
> Mar  3 12:28:22 x03glus01 kernel: ADDRCONF(NETDEV_UP): vif5.0: link is  
> not ready
> Mar  3 12:28:23 x03glus01 kernel: ----------- [cut here ] ---------  
> [please bite here ] ---------
> Mar  3 12:28:23 x03glus01 kernel: Kernel BUG at  
> drivers/xen/core/evtchn.c:481


^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Try to set limit dom0 cpus to 1.

# vi /etc/xen/xend-condif.sxp
(dom0-cpus 1)


If anybody knows how to fix (or circumvent in any other way) 
this bug, please tell us.

AFAIK the bug is Debian specific only





> Mar  3 12:28:23 x03glus01 kernel: invalid opcode: 0000 [1] SMP
> Mar  3 12:28:23 x03glus01 kernel: CPU 1
> Mar  3 12:28:23 x03glus01 kernel: Modules linked in: xt_tcpudp  
> xt_physdev iptable_filter ip_tables x_tables bridge netloop button ac  
> battery ipmi_si ipmi_devintf ipmi_msghandler ipv6 dm_snapshot dm_mirror  
> dm_mod loop serio_raw i2c_i801 i2c_core serial_core psmouse pcspkr  
> shpchp pci_hotplug evdev ext3 jbd mbcache ide_generic ide_cd cdrom  
> sd_mod piix ahci libata generic ehci_hcd scsi_mod ide_core uhci_hcd  
> e1000 fan raid1 md_mod
> Mar  3 12:28:23 x03glus01 kernel: Pid: 37, comm: xenwatch Not tainted  
> 2.6.18-6-xen-amd64 #1
> Mar  3 12:28:23 x03glus01 kernel: RIP: e030:[<ffffffff80360fe1>]   
> [<ffffffff80360fe1>] retrigger+0x26/0x3e
> Mar  3 12:28:23 x03glus01 kernel: RSP: e02b:ffff8801ef297d88  EFLAGS:  
> 00010046
> Mar  3 12:28:23 x03glus01 kernel: RAX: 0000000000000000 RBX:  
> 0000000000009000 RCX: ffffffffff578000
> Mar  3 12:28:23 x03glus01 kernel: RDX: 000000000000002f RSI:  
> ffff8801ef297d30 RDI: 0000000000000120
> Mar  3 12:28:23 x03glus01 kernel: RBP: ffffffff804cd480 R08:  
> 0000000000000060 R09: ffff8801ef253e80
> Mar  3 12:28:23 x03glus01 kernel: R10: ffff8801eafb4cc0 R11:  
> ffffffff80360fbb R12: 0000000000000120
> Mar  3 12:28:23 x03glus01 kernel: R13: ffffffff804cd4bc R14:  
> 0000000000000000 R15: 0000000000000008
> Mar  3 12:28:23 x03glus01 kernel: FS:  00002ac9f9b2c6e0(0000)  
> GS:ffffffff804c3080(0000) knlGS:0000000000000000
> Mar  3 12:28:23 x03glus01 kernel: CS:  e033 DS: 0000 ES: 0000
> Mar  3 12:28:23 x03glus01 kernel: Process xenwatch (pid: 37, threadinfo  
> ffff8801ef296000, task ffff8801ef289080)
> Mar  3 12:28:23 x03glus01 kernel: Stack:  ffffffff802a0679   
> ffff8801edf75500  ffff8801edf75500  0000000000000000
> Mar  3 12:28:23 x03glus01 kernel:  ffff8801ef297de0  000000000000040b   
> ffffffff8036db4c  0000000000000000
> Mar  3 12:28:23 x03glus01 kernel:  ffffffff8036dfc4  ffff8801ef297ea4
> Mar  3 12:28:23 x03glus01 kernel: Call Trace:
> Mar  3 12:28:23 x03glus01 kernel:  [<ffffffff802a0679>] enable_irq+0x9d/0xbc
> Mar  3 12:28:23 x03glus01 kernel:  [<ffffffff8036db4c>] __netif_up+0xc/0x15
> Mar  3 12:28:23 x03glus01 kernel:  [<ffffffff8036dfc4>]  
> netif_map+0x2a6/0x2d8
> Mar  3 12:28:23 x03glus01 kernel:  [<ffffffff8035c325>]  
> bus_for_each_dev+0x61/0x6e
> Mar  3 12:28:23 x03glus01 kernel:  [<ffffffff803667ce>]  
> xenwatch_thread+0x0/0x145
> Mar  3 12:28:23 x03glus01 kernel:  [<ffffffff803667ce>]  
> xenwatch_thread+0x0/0x145
> Mar  3 12:28:23 x03glus01 kernel:  [<ffffffff8036830e>]  
> frontend_changed+0x2ba/0x4f9
> Mar  3 12:28:23 x03glus01 kernel:  [<ffffffff803667ce>]  
> xenwatch_thread+0x0/0x145
> Mar  3 12:28:23 x03glus01 kernel:  [<ffffffff8028f865>]  
> keventd_create_kthread+0x0/0x61
> Mar  3 12:28:23 x03glus01 kernel:  [<ffffffff80365bdc>]  
> xenwatch_handle_callback+0x15/0x48
> Mar  3 12:28:23 x03glus01 kernel:  [<ffffffff803668fb>]  
> xenwatch_thread+0x12d/0x145
> Mar  3 12:28:23 x03glus01 kernel:  [<ffffffff8028fa28>]  
> autoremove_wake_function+0x0/0x2e
> Mar  3 12:28:23 x03glus01 kernel:  [<ffffffff8028f865>]  
> keventd_create_kthread+0x0/0x61
> Mar  3 12:28:23 x03glus01 kernel:  [<ffffffff803667ce>]  
> xenwatch_thread+0x0/0x145
> Mar  3 12:28:23 x03glus01 kernel:  [<ffffffff8023352b>] kthread+0xd4/0x107
> Mar  3 12:28:23 x03glus01 kernel:  [<ffffffff8025c830>] child_rip+0xa/0x12
> Mar  3 12:28:23 x03glus01 kernel:  [<ffffffff8028f865>]  
> keventd_create_kthread+0x0/0x61
> Mar  3 12:28:23 x03glus01 kernel:  [<ffffffff80233457>] kthread+0x0/0x107
> Mar  3 12:28:23 x03glus01 kernel:  [<ffffffff8025c826>] child_rip+0x0/0x12
> Mar  3 12:28:23 x03glus01 kernel:
> Mar  3 12:28:23 x03glus01 kernel:
> Mar  3 12:28:23 x03glus01 kernel: Code: 0f 0b 68 74 db 41 80 c2 e1 01 f0  
> 0f ab 91 00 08 00 00 b8 01
> Mar  3 12:28:23 x03glus01 kernel: RIP  [<ffffffff80360fe1>]  
> retrigger+0x26/0x3e
> Mar  3 12:28:23 x03glus01 kernel:  RSP <ffff8801ef297d88>
>
> ************************
>
> This actually happens in several new machines i'm testing. I've run disk  
> and memory tests on them and no problem reported at all.
> They are intel quad core, 8 virtual cpus.
>
> Do you have any idea where my problem is?
>
> Thank you.
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users

-- 
WBR, i.m.chubin


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