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xen-users
[Xen-users] DomU causes Server to crash when using "disk = [ phy:LV, xv
My shiny new server just dies on me whenever I use the phy:-Disk inside the
DomU.
The Dom0 has the following standard kernel from opensuse 11.2
Linux Dom0 2.6.31.5-0.1-xen #1 SMP 2009-10-26 15:49:03 +0100 x86_64 x86_64
x86_64 GNU/Linux
(model name : Intel(R) Core(TM) i7 CPU )
One LVM is given to the DomU with:
"disk=[ 'tap:aio:/data/xen/images/mail/xvda,xvda,w',
'phy:/dev/vg0/mail,xvdb,w' ]"
It works in general, but after copying some data to it or doing a bonnie++
test, the server crashes. (see logfiles below)
I changed the filesystems, made some stress-tests on the LVM-volumes in the
Dom0 itself and everything went well, no crash.
But when accessing the LVM via xvdb out of one DomU the server dies
repoducable after ca 2min of copying data for example.
Can anyone give a hint? Can this be a memory/hardware issue?
Thanks for any help
Tom
Logmessage 1 of 2:
Message from syslogd@Dom0 at Dec 18 14:38:12 ...
kernel:[ 2566.695723] general protection fault: 0000 [#1] SMP
Message from syslogd@Dom0 at Dec 18 14:38:12 ...
kernel:[ 2566.695734] last sysfs file: /sys/devices/xen-
backend/vbd-2-51728/statistics/wr_sect
Message from syslogd@Dom0 at Dec 18 14:38:12 ...
kernel:[ 2566.695874] Stack:
Message from syslogd@Dom0 at Dec 18 14:38:12 ...
kernel:[ 2566.695892] Call Trace:
Message from syslogd@Dom0 at Dec 18 14:38:12 ...
kernel:[ 2566.695932] Code: 8b 08 f7 c1 00 00 02 00 0f 85 c1 00 00 00 80 e5
01 0f 84 c4 00 00 00 48 8b 70 30 4a 8b 44 fb 08 48 8b 3e 48 8b 4e 08 48 89 4f
08 <48> 89 39 48 c7 06 00 01 10 00 48 c7 46 08 00 02 20 00 2b 56 18
Dec 18 14:38:12 Dom0 kernel: [ 2566.695723] general protection fault: 0000
[#1] SMP
Dec 18 14:38:12 Dom0 kernel: [ 2566.695734] last sysfs file: /sys/devices/xen-
backend/vbd-2-51728/statistics/wr_sect
Dec 18 14:38:12 Dom0 kernel: [ 2566.695740] CPU 2
Dec 18 14:38:12 Dom0 kernel: [ 2566.695744] Modules linked in: joydev st
sr_mod ide_gd_mod ide_cd_mod xt_tcpudp nf_conntrack_ipv4 nf_defrag_ipv4
xt_state nf_conntrack xt_physdev iptable_filter ip_tables x_tables bridge stp
llc netbk xenblk cdrom blkbk blkback_pagemap blktap xenbus_be edd ipv6
reiserfs loop snd_hda_codec_realtek snd_hda_intel snd_hda_codec
ide_pci_generic jmicron i2c_i801 ata_generic snd_hwdep iTCO_wdt 8250_pnp
snd_pcm thermal processor ohci1394 snd_timer iTCO_vendor_support thermal_sys
i2c_core pcspkr 8250 r8169 pata_jmicron sg wmi snd serial_core ieee1394
soundcore hwmon button snd_page_alloc linear uhci_hcd ehci_hcd dm_snapshot
dm_mod raid10 raid456 raid6_pq async_xor async_memcpy async_tx xor raid1 raid0
atiixp sata_nv sata_sil sata_via via82cxxx ide_core 3w_9xxx 3w_xxxx
Dec 18 14:38:12 Dom0 kernel: [ 2566.695871] Process events/2 (pid: 29,
threadinfo ffff8801f09d4000, task ffff8801f09d2900)
Dec 18 14:38:12 Dom0 kernel: [ 2566.695874] Stack:
Dec 18 14:38:12 Dom0 kernel: [ 2566.695876] ffff8800dbf1b450 ffff8800033e41c0
0000000000007d00 000000002e7c2b28
Dec 18 14:38:12 Dom0 kernel: [ 2566.695880] <0> ffff8801f09d5d60
ffff8801f0a75600 ffff8801f0a3f640 ffff8801f0a7ccc0
Dec 18 14:38:12 Dom0 kernel: [ 2566.695886] <0> 000000000000000b
ffff8801f0a3f680 ffff8801f09d5dd0 ffffffff8010fb87
Dec 18 14:38:12 Dom0 kernel: [ 2566.695892] Call Trace:
Dec 18 14:38:12 Dom0 kernel: [ 2566.695900] [<ffffffff8010fb87>]
drain_array+0xb7/0x180
Dec 18 14:38:12 Dom0 kernel: [ 2566.695905] [<ffffffff8010ff26>]
cache_reap+0xa6/0x160
Dec 18 14:38:12 Dom0 kernel: [ 2566.695911] [<ffffffff80069463>]
run_workqueue+0x83/0x230
Dec 18 14:38:12 Dom0 kernel: [ 2566.695917] [<ffffffff800696c4>]
worker_thread+0xb4/0x140
Dec 18 14:38:12 Dom0 kernel: [ 2566.695922] [<ffffffff8006fb96>]
kthread+0xb6/0xc0
Dec 18 14:38:12 Dom0 kernel: [ 2566.695928] [<ffffffff8000d38a>]
child_rip+0xa/0x20
Logmessage 2 of 2 (another crash)
Dec 18 18:12:58 Dom0 kernel: [ 881.314646] ------------[ cut here
]------------
Dec 18 18:12:58 Dom0 kernel: [ 881.314662] WARNING: at
/usr/src/packages/BUILD/kernel-
xen-2.6.31.5/linux-2.6.31/drivers/char/tty_buffer.c:92
tty_buffer_free+0x8b/0xa0()
Dec 18 18:12:58 Dom0 kernel: [ 881.314672] Hardware name: MS-7522
Dec 18 18:12:58 Dom0 kernel: [ 881.314678] Modules linked in: xt_tcpudp
nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack xt_physdev
iptable_filter ip_tables x_tables bridge stp llc netbk xenblk cdrom blkbk
blkback_pagemap blktap xenbus_be ipv6 edd reiserfs loop ide_pci_generic
jmicron ata_generic iTCO_wdt i2c_i801 snd_hda_codec_realtek thermal
iTCO_vendor_support i2c_core pcspkr processor wmi snd_hda_intel pata_jmicron
8250_pnp thermal_sys ohci1394 r8169 snd_hda_codec 8250 ieee1394 sg button
serial_core snd_hwdep snd_pcm snd_timer snd soundcore snd_page_alloc hwmon
linear uhci_hcd ehci_hcd dm_snapshot dm_mod raid10 raid456 raid6_pq async_xor
async_memcpy async_tx xor raid1 raid0 atiixp sata_nv sata_sil sata_via
via82cxxx ide_core 3w_9xxx 3w_xxxx
Dec 18 18:12:58 Dom0 kernel: [ 881.314742] Pid: 2209, comm: sshd Tainted: G
D 2.6.31.5-0.1-xen #1
Dec 18 18:12:58 Dom0 kernel: [ 881.314746] Call Trace:
Dec 18 18:12:58 Dom0 kernel: [ 881.314755] [<ffffffff800119b9>]
try_stack_unwind+0x189/0x1b0
Dec 18 18:12:58 Dom0 kernel: [ 881.314762] [<ffffffff8000f466>]
dump_trace+0xa6/0x1e0
Dec 18 18:12:58 Dom0 kernel: [ 881.314766] [<ffffffff800114c4>]
show_trace_log_lvl+0x64/0x90
Dec 18 18:12:58 Dom0 kernel: [ 881.314771] [<ffffffff80011513>]
show_trace+0x23/0x40
Dec 18 18:12:58 Dom0 kernel: [ 881.314777] [<ffffffff8046af06>]
dump_stack+0x81/0x9e
Dec 18 18:12:58 Dom0 kernel: [ 881.314782] [<ffffffff8004f4c0>]
warn_slowpath_common+0x80/0xd0
Dec 18 18:12:58 Dom0 kernel: [ 881.314787] [<ffffffff8004f532>]
warn_slowpath_null+0x22/0x40
Dec 18 18:12:58 Dom0 kernel: [ 881.314791] [<ffffffff802d598b>]
tty_buffer_free+0x8b/0xa0
Dec 18 18:12:58 Dom0 kernel: [ 881.314796] [<ffffffff802d5a38>]
flush_to_ldisc+0x98/0x1d0
Dec 18 18:12:58 Dom0 kernel: [ 881.314801] [<ffffffff802d5c33>]
tty_flush_to_ldisc+0x23/0x40
Dec 18 18:12:58 Dom0 kernel: [ 881.314807] [<ffffffff802d0561>]
n_tty_poll+0x81/0x1c0
Dec 18 18:12:58 Dom0 kernel: [ 881.314812] [<ffffffff802cb362>]
tty_poll+0xa2/0xc0
Dec 18 18:12:58 Dom0 kernel: [ 881.314817] [<ffffffff8012d76d>]
do_select+0x39d/0x6f0
Dec 18 18:12:58 Dom0 kernel: [ 881.314822] [<ffffffff8012de08>]
core_sys_select+0x1b8/0x300
Dec 18 18:12:58 Dom0 kernel: [ 881.314826] [<ffffffff8012e201>]
sys_select+0x51/0x130
Dec 18 18:12:58 Dom0 kernel: [ 881.314831] [<ffffffff8000c868>]
system_call_fastpath+0x16/0x1b
Dec 18 18:12:58 Dom0 kernel: [ 881.314838] [<00007f0331b776c3>]
0x7f0331b776c3
Dec 18 18:12:58 Dom0 kernel: [ 881.314841] ---[ end trace f0ce0fc5e34477b7
]---
Dec 18 18:12:58 Dom0 kernel: [ 881.314850] general protection fault: 0000
[#2] SMP
Dec 18 18:12:58 Dom0 kernel: [ 881.314854] last sysfs file: /sys/devices/xen-
backend/vbd-1-51728/statistics/wr_sect
Dec 18 18:12:58 Dom0 kernel: [ 881.314857] CPU 0
Dec 18 18:12:58 Dom0 kernel: [ 881.314859] Modules linked in: xt_tcpudp
nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack xt_physdev
iptable_filter ip_tables x_tables bridge stp llc netbk xenblk cdrom blkbk
blkback_pagemap blktap xenbus_be ipv6 edd reiserfs loop ide_pci_generic
jmicron ata_generic iTCO_wdt i2c_i801 snd_hda_codec_realtek thermal
iTCO_vendor_support i2c_core pcspkr processor wmi snd_hda_intel pata_jmicron
8250_pnp thermal_sys ohci1394 r8169 snd_hda_codec 8250 ieee1394 sg button
serial_core snd_hwdep snd_pcm snd_timer snd soundcore snd_page_alloc hwmon
linear uhci_hcd ehci_hcd dm_snapshot dm_mod raid10 raid456 raid6_pq async_xor
async_memcpy async_tx xor raid1 raid0 atiixp sata_nv sata_sil sata_via
via82cxxx ide_core 3w_9xxx 3w_xxxx
Dec 18 18:12:58 Dom0 kernel: [ 881.314916] Pid: 2209, comm: sshd Tainted: G
D W 2.6.31.5-0.1-xen #1 MS-7522
Dec 18 18:12:58 Dom0 kernel: [ 881.314920] RIP: e030:[<ffffffff80244fab>]
[<ffffffff80244fab>] memcpy_c+0xb/0x20
Dec 18 18:12:58 Dom0 kernel: [ 881.314926] RSP: e02b:ffff88001ceb77a0
EFLAGS: 00010006
Dec 18 18:12:58 Dom0 kernel: [ 881.314929] RAX: ffff88001e0e4f2a RBX:
ffff88001ca3a800 RCX: 000000000000001a
Dec 18 18:12:58 Dom0 kernel: [ 881.314932] RDX: 0000000000000006 RSI:
d6caf671b8b6e228 RDI: ffff88001e0e4f2a
Dec 18 18:12:58 Dom0 kernel: [ 881.314936] RBP: ffff88001ceb7888 R08:
ffff88001ca3ad1c R09: 000000000000f724
Dec 18 18:12:58 Dom0 kernel: [ 881.314939] R10: 0000000000000005 R11:
0000000000000000 R12: 0000000000001000
Dec 18 18:12:58 Dom0 kernel: [ 881.314942] R13: 00000000000000d6 R14:
d6caf671b8b6e228 R15: 0000000000000f29
Dec 18 18:12:58 Dom0 kernel: [ 881.314949] FS: 00007f033463b7b0(0000)
GS:ffffc90000000000(0000) knlGS:0000000000000000
Dec 18 18:12:58 Dom0 kernel: [ 881.314953] CS: e033 DS: 0000 ES: 0000 CR0:
000000008005003b
Dec 18 18:12:58 Dom0 kernel: [ 881.314956] CR2: 00007fd6341ad000 CR3:
000000001f1d4000 CR4: 0000000000002660
Dec 18 18:12:58 Dom0 kernel: [ 881.314960] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Dec 18 18:12:58 Dom0 kernel: [ 881.314963] DR3: 0000000000000000 DR6:
00000000ffff0ff0 DR7: 0000000000000400
Dec 18 18:12:58 Dom0 kernel: [ 881.314967] Process sshd (pid: 2209,
threadinfo ffff88001ceb6000, task ffff88001e772200)
Dec 18 18:12:58 Dom0 kernel: [ 881.314971] Stack:
Dec 18 18:12:58 Dom0 kernel: [ 881.314972] ffffffff802d2ce6 ffffffff807395e6
00000000000000d6 ffff88001ca3ad1c
Dec 18 18:12:58 Dom0 kernel: [ 881.314977] <0> 0000000000000000
ffffffff8080dc8e 000000000000f6ed ffff88001ceb77f8
Dec 18 18:12:58 Dom0 kernel: [ 881.314982] <0> 0000000054eca714
0000000000000000 0000000000000000 ffff88001ceb7838
Dec 18 18:12:58 Dom0 kernel: [ 881.314988] Call Trace:
Dec 18 18:12:58 Dom0 kernel: [ 881.314992] [<ffffffff802d2ce6>]
n_tty_receive_buf+0x306/0x490
Dec 18 18:12:58 Dom0 kernel: [ 881.314997] [<ffffffff802d5b3b>]
flush_to_ldisc+0x19b/0x1d0
Dec 18 18:12:58 Dom0 kernel: [ 881.315002] [<ffffffff802d5c33>]
tty_flush_to_ldisc+0x23/0x40
Dec 18 18:12:58 Dom0 kernel: [ 881.315007] [<ffffffff802d0561>]
n_tty_poll+0x81/0x1c0
Dec 18 18:12:58 Dom0 kernel: [ 881.315011] [<ffffffff802cb362>]
tty_poll+0xa2/0xc0
Dec 18 18:12:58 Dom0 kernel: [ 881.315015] [<ffffffff8012d76d>]
do_select+0x39d/0x6f0
Dec 18 18:12:58 Dom0 kernel: [ 881.315020] [<ffffffff8012de08>]
core_sys_select+0x1b8/0x300
Dec 18 18:12:58 Dom0 kernel: [ 881.315024] [<ffffffff8012e201>]
sys_select+0x51/0x130
Dec 18 18:12:58 Dom0 kernel: [ 881.315029] [<ffffffff8000c868>]
system_call_fastpath+0x16/0x1b
Dec 18 18:12:58 Dom0 kernel: [ 881.315035] [<00007f0331b776c3>]
0x7f0331b776c3
Dec 18 18:12:58 Dom0 kernel: [ 881.315037] Code: 81 ea d8 1f 00 00 48 3b 42
20 73 07 48 8b 50 f9 31 c0 c3 31 d2 48 c7 c0 f2 ff ff ff c3 90 90 90 48 89 f8
89 d1 c1 e9 03 83 e2 07 <f3> 48 a5 89 d1 f3 a4 c3 66 66 66 66 2e 0f 1f 84 00
00 00 00 00
Dec 18 18:12:58 Dom0 kernel: [ 881.315069] RIP [<ffffffff80244fab>]
memcpy_c+0xb/0x20
Dec 18 18:12:58 Dom0 kernel: [ 881.315072] RSP <ffff88001ceb77a0>
Dec 18 18:12:58 Dom0 kernel: [ 881.315075] ---[ end trace f0ce0fc5e34477b8
]---
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