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xen-bugs
[Xen-bugs] [Bug 1668] dom0 crashes randomly even if no domU is running
http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1668
vsevolod.minkov+xen@xxxxxxxxx changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |vsevolod.minkov+xen@xxxxxxxx
| |m
------- Comment #2 from vsevolod.minkov+xen@xxxxxxxxx 2010-12-12 10:45 -------
I can confirm too.
My configuration is
Xen 4.0.1
Gentoo x86_64 2.6.34-xen-r4 kernel
I've got 2 crashes w/o running domU.
Dec 9 00:12:36 xhost kernel: [ 5926.134503] BUG: unable to handle kernel
paging request at ffff8800f309a5d8
Dec 9 00:12:36 xhost kernel: [ 5926.134509] IP: [<ffffffff80282cc3>]
insert_pfn+0x113/0x146
Dec 9 00:12:36 xhost kernel: [ 5926.134519] PGD 1004067 PUD 1608067 PMD
17a1067 PTE 80100000f309a065
Dec 9 00:12:36 xhost kernel: [ 5926.134523] Oops: 0003 [#1] SMP
Dec 9 00:12:36 xhost kernel: [ 5926.134525] last sysfs file:
/sys/devices/xen-backend/vbd-2-5632/statistics/wr_sect
Dec 9 00:12:36 xhost kernel: [ 5926.134527] CPU 0
Dec 9 00:12:36 xhost kernel: [ 5926.134529] Modules linked in: snd_pcm_oss
snd_mixer_oss snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq
snd_seq_device pciback tun snd_hda_codec_atihdmi snd_hda_codec_via
snd_hda_intel snd_hda_codec snd_pcm snd_timer snd soundcore snd_page_alloc
firewire_ohci r8169 processor firewire_core thermal thermal_sys button tg3
libphy e1000 fuse jfs raid10 raid456 async_raid6_recov async_memcpy async_pq
async_xor xor async_tx raid6_pq raid1 raid0 dm_snapshot dm_crypt dm_mirror
dm_region_hash dm_log dm_mod scsi_wait_scan sl811_hcd usbhid ohci_hcd uhci_hcd
usb_storage ehci_hcd usbcore sx8 DAC960 cciss mptsas scsi_transport_sas mptfc
scsi_transport_fc scsi_tgt mptspi scsi_transport_spi mptscsih mptbase sg
pdc_adma sata_inic162x sata_mv sata_qstor sata_vsc sata_uli sata_sis sata_sx4
sata_nv sata_via sata_svw sata_sil24 sata_sil sata_promise pata_sl82c105
pata_cs5530 pata_cs5520 pata_via pata_marvell pata_sis pata_netcell pata_sc1200
pata_pdc202xx_old pata_triflex pata_atiixp pata_opti pata_amd pata_ali
pata_it8213 pata_ns87415 pata_ns87410 pata_serverworks pata_artop pata_it821x
pata_optidma pata_hpt3x2n pata_hpt3x3 pata_hpt37x pata_hpt366 pata_cmd64x
pata_efar pata_rz1000 pata_sil680 pata_radisys pata_pdc2027x pata_mpiix
Dec 9 00:12:36 xhost kernel: [ 5926.134599]
Dec 9 00:12:36 xhost kernel: [ 5926.134602] Pid: 9756, comm: X Not tainted
2.6.34-xen-r4-dom0 #1 P7P55D/System Product Name
Dec 9 00:12:36 xhost kernel: [ 5926.134604] RIP: e030:[<ffffffff80282cc3>]
[<ffffffff80282cc3>] insert_pfn+0x113/0x146
Dec 9 00:12:36 xhost kernel: [ 5926.134608] RSP: e02b:ffff8800f2dbdc88
EFLAGS: 00010282
Dec 9 00:12:36 xhost kernel: [ 5926.134610] RAX: 00000000ffffffea RBX:
00007f3432abb000 RCX: 0000000000000067
Dec 9 00:12:36 xhost kernel: [ 5926.134612] RDX: 0000000000000000 RSI:
800000002859a6a7 RDI: 00007f3432abb000
Dec 9 00:12:36 xhost kernel: [ 5926.134614] RBP: 800000002859a6a7 R08:
00007f3432abb000 R09: ffffffff804d3a8c
Dec 9 00:12:36 xhost kernel: [ 5926.134615] R10: 0000000000000001 R11:
0000000000000003 R12: ffff8800f309a5d8
Dec 9 00:12:36 xhost kernel: [ 5926.134617] R13: ffff8800ef554e80 R14:
8000000000000401 R15: 0000000000000000
Dec 9 00:12:36 xhost kernel: [ 5926.134622] FS: 00007f3432b60840(0000)
GS:ffff880001f7a000(0000) knlGS:0000000000000000
Dec 9 00:12:36 xhost kernel: [ 5926.134624] CS: e033 DS: 0000 ES: 0000 CR0:
0000000080050033
Dec 9 00:12:36 xhost kernel: [ 5926.134626] CR2: ffff8800f309a5d8 CR3:
00000000f307f000 CR4: 0000000000002660
Dec 9 00:12:36 xhost kernel: [ 5926.134628] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Dec 9 00:12:36 xhost kernel: [ 5926.134630] DR3: 0000000000000000 DR6:
00000000ffff0ff0 DR7: 0000000000000400
Dec 9 00:12:36 xhost kernel: [ 5926.134632] Process X (pid: 9756, threadinfo
ffff8800f2dbc000, task ffff8800f2d06e10)
Dec 9 00:12:36 xhost kernel: [ 5926.134634] Stack:
Dec 9 00:12:36 xhost kernel: [ 5926.134635] 0000000000000000 ffff880005cd01c0
ffff8800e1a2b814 ffff8800f30b3248
Dec 9 00:12:36 xhost kernel: [ 5926.134638] <0> ffff8800dedf6768
0000000000000000 00007f3432abb000 0000000000000000
Dec 9 00:12:36 xhost kernel: [ 5926.134642] <0> 00007f3432abb000
ffffffff804d4a68 ffff88002857b7c0 0000000000000001
Dec 9 00:12:36 xhost kernel: [ 5926.134646] Call Trace:
Dec 9 00:12:36 xhost kernel: [ 5926.134650] [<ffffffff804d4a68>] ?
ttm_bo_vm_fault+0x20a/0x26a
Dec 9 00:12:36 xhost kernel: [ 5926.134653] [<ffffffff8027ea92>] ?
__do_fault+0x53/0x5a9
Dec 9 00:12:36 xhost kernel: [ 5926.134657] [<ffffffff804d0d4b>] ?
ttm_bo_unreserve+0xeb/0x118
Dec 9 00:12:36 xhost kernel: [ 5926.134660] [<ffffffff80280ede>] ?
handle_mm_fault+0x7ef/0xe23
Dec 9 00:12:36 xhost kernel: [ 5926.134664] [<ffffffff80214b26>] ?
do_page_fault+0x332/0x354
Dec 9 00:12:36 xhost kernel: [ 5926.134668] [<ffffffff802a5c12>] ?
vfs_ioctl+0x23/0x93
Dec 9 00:12:36 xhost kernel: [ 5926.134671] [<ffffffff802a6110>] ?
do_vfs_ioctl+0x41c/0x460
Dec 9 00:12:36 xhost kernel: [ 5926.134674] [<ffffffff80299f80>] ?
vfs_read+0x133/0x148
Dec 9 00:12:36 xhost kernel: [ 5926.134679] [<ffffffff806a60b8>] ?
page_fault+0x28/0x30
Dec 9 00:12:36 xhost kernel: [ 5926.134680] Code: c0 7b 00 00 84 c0 74 0f 31
d2 48 89 ee 48 89 df e8 90 a0 f9 ff eb 0d 48 89 df 48 89 ee 31 d2 e8 04 e5 f7
ff 45 31 ff 85 c0 74 07 <49> 89 2c 24 45 31 ff 48 8b 7c 24 08 fe 07 0f b7 17 38
f2 0f 95
Dec 9 00:12:36 xhost kernel: [ 5926.134708] RIP [<ffffffff80282cc3>]
insert_pfn+0x113/0x146
Dec 9 00:12:36 xhost kernel: [ 5926.134711] RSP <ffff8800f2dbdc88>
Dec 9 00:12:36 xhost kernel: [ 5926.134713] CR2: ffff8800f309a5d8
Dec 9 00:12:36 xhost kernel: [ 5926.134715] ---[ end trace f31ce84437a47f81
]---
Dec 12 19:37:41 xhost kernel: [64610.535202] BUG: unable to handle kernel
paging request at ffff8800eee3dbd8
Dec 12 19:37:41 xhost kernel: [64610.535207] IP: [<ffffffff80282cc3>]
insert_pfn+0x113/0x146
Dec 12 19:37:41 xhost kernel: [64610.535214] PGD 1009067 PUD 160d067 PMD
1785067 PTE 80100000eee3d065
Dec 12 19:37:41 xhost kernel: [64610.535217] Oops: 0003 [#1] SMP
Dec 12 19:37:41 xhost kernel: [64610.535219] last sysfs file:
/sys/devices/platform/coretemp.0/temp1_label
Dec 12 19:37:41 xhost kernel: [64610.535221] CPU 0
Dec 12 19:37:41 xhost kernel: [64610.535221] Modules linked in: nls_cp866
coretemp snd_pcm_oss snd_mixer_oss snd_seq_dummy snd_seq_oss snd_seq_midi_event
snd_seq snd_seq_device tun snd_hda_codec_atihdmi snd_hda_codec_via
snd_hda_intel snd_hda_codec snd_pcm snd_timer snd soundcore snd_page_alloc
r8169 processor thermal thermal_sys hwmon button tg3 libphy e1000 fuse jfs
raid10 raid456 async_raid6_recov async_m
After both problems system became frozen.
I'm not a kernel developer... But what does `insert_pfn` function means? How
can I find where is a problem?
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