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xen-devel
[Xen-devel] Re: Out sw-iommu space problem
I have rebuild last debian kernel
linux-image-2.6.32-5-xen-amd64_2.6.32-36_amd64 with patch take here:
http://www.gossamer-threads.com/lists/xen/devel/216753
Installed, reboot the dom0, retry service xendomains stop (with save of all
domus) but problem persist:
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.311783] tapdisk2[7567]: segfault
at 7fffcb57cff8 ip 000000000040844f sp 00007fffcb57d000 error 6 in
tapdisk2[400000+39000]
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.331392] BUG: unable to handle
kernel NULL pointer dereference at 0000000000000048
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.331532] IP: [<ffffffff810ce9c1>]
apply_to_page_range+0x47/0x2f3
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.331623] PGD 2d158067 PUD 2c03e067
PMD 0
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.331766] Oops: 0000 [#1] SMP
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.331878] last sysfs file:
/sys/devices/virtual/blktap2/blktap6/remove
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.331936] CPU 0
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.332016] Modules linked in:
xt_tcpudp tun xt_physdev iptable_filter ip_tables x_tables bridge stp
ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp
libiscsi_tcp libiscsi scsi_transport_iscsi ext2 sha256_generic aes_x86_64
aes_generic cbc blktap xen_evtchn xenfs loop dm_crypt snd_pcm snd_timer snd
soundcore snd_page_alloc joydev pcspkr evdev processor dcdbas button
power_meter acpi_processor ext4 mbcache jbd2 crc16 dm_mod sd_mod crc_t10dif
sg sr_mod cdrom usbhid hid ata_generic ata_piix libata mpt2sas ehci_hcd
scsi_transport_sas bnx2 usbcore nls_base scsi_mod thermal thermal_sys [last
unloaded: scsi_wait_scan]
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.334357] Pid: 7567, comm: tapdisk2
Not tainted 2.6.32-5-xen-amd64 #1 PowerEdge T310
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.334431] RIP:
e030:[<ffffffff810ce9c1>] [<ffffffff810ce9c1>]
apply_to_page_range+0x47/0x2f3
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.334539] RSP: e02b:ffff88002c777b58
EFLAGS: 00010202
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.334594] RAX: 0000000000000880 RBX:
ffff88003e7ac000 RCX: ffff88003e7ad000
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.334652] RDX: 0000000000000000 RSI:
ffff88003e7ac000 RDI: 0000000000000000
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.334710] RBP: ffff88003f100c90 R08:
0000000000000000 R09: ffff88003c635000
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.334768] R10: 0000000000000002 R11:
0000000000000000 R12: 0000000000000000
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.334826] R13: ffff88003f100c90 R14:
ffff880003355000 R15: 0000000000000000
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.334887] FS:
00007fde823cc740(0000) GS:ffff8800036f1000(0000) knlGS:0000000000000000
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.334961] CS: e033 DS: 0000 ES:
0000 CR0: 000000008005003b
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.335017] CR2: 0000000000000048 CR3:
000000002ca26000 CR4: 0000000000002660
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.335075] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.335133] DR3: 0000000000000000 DR6:
00000000ffff0ff0 DR7: 0000000000000400
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.335191] Process tapdisk2 (pid:
7567, threadinfo ffff88002c776000, task ffff8800031cc6a0)
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.335266] Stack:
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.335314] 0000000000000000
ffff88003e8add80 0000000000000000 0000000000000000
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.335464] <0> ffffffffa02dcee8
0000000000000000 ffffffff8100ecf2 ffff8800370616c0
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.335689] <0> ffff88003e7ad000
0000000000000000 0000000000000000 ffff8800370616c0
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.335970] Call Trace:
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.336026] [<ffffffffa02dcee8>] ?
blktap_umap_uaddr_fn+0x0/0x59 [blktap]
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.336089] [<ffffffff8100ecf2>] ?
check_events+0x12/0x20
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.336147] [<ffffffffa02de2a5>] ?
blktap_device_end_request+0xbd/0x145 [blktap]
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.336229] [<ffffffffa02dc743>] ?
blktap_ring_vm_close+0x60/0xd1 [blktap]
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.336292] [<ffffffff810d161c>] ?
remove_vma+0x2c/0x72
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.336355] [<ffffffff810d178b>] ?
exit_mmap+0x129/0x148
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.336419] [<ffffffff8104ccf9>] ?
mmput+0x3c/0xdf
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.336476] [<ffffffff810508f2>] ?
exit_mm+0x102/0x10d
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.336536] [<ffffffff8130d652>] ?
_spin_lock_irq+0x7/0x22
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.336595] [<ffffffff81052317>] ?
do_exit+0x1f8/0x6c6
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.336652] [<ffffffff8105d631>] ?
__dequeue_signal+0xfb/0x124
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.336713] [<ffffffff8100ecdf>] ?
xen_restore_fl_direct_end+0x0/0x1
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.336776] [<ffffffff810e816d>] ?
kmem_cache_free+0x72/0xa3
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.336839] [<ffffffff8105285b>] ?
do_group_exit+0x76/0x9d
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.336901] [<ffffffff8105f147>] ?
get_signal_to_deliver+0x310/0x339
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.336965] [<ffffffff81011037>] ?
do_notify_resume+0x87/0x73f
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.337030] [<ffffffff810d1805>] ?
expand_downwards+0x5b/0x169
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.337087] [<ffffffff8130fb0b>] ?
do_page_fault+0x1f5/0x2fc
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.337144] [<ffffffff810125dc>] ?
retint_signal+0x48/0x8c
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.337200] Code: 48 89 4c 24 20 4c 89
44 24 18 48 89 54 24 40 72 04 0f 0b eb fe 48 8b 54 24 28 48 89 f0 48 8b 4c
24 40 48 c1 e8 24 25 f8 0f 00 00 <48> 8b 52 48 48 ff c9 48 89 0c 24 48 01 d0
48 89 44 24 30 48 b8
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.339270] RIP [<ffffffff810ce9c1>]
apply_to_page_range+0x47/0x2f3
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.339358] RSP <ffff88002c777b58>
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.339409] CR2: 0000000000000048
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.339461] ---[ end trace
d3d83b6017665ae2 ]---
Sep 16 15:58:42 heliMN02WV kernel: [ 1091.339514] Fixing recursive fault but
reboot is needed!
--
View this message in context:
http://xen.1045712.n5.nabble.com/Out-sw-iommu-space-problem-tp4803078p4810847.html
Sent from the Xen - Dev mailing list archive at Nabble.com.
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