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[Qemu-devel] [Bug 735752] Re: qemu squeeze crashes "BUG: unable to handl
From: |
Aidar Kamalov |
Subject: |
[Qemu-devel] [Bug 735752] Re: qemu squeeze crashes "BUG: unable to handle kernel NULL pointer dereference at (null)" |
Date: |
Wed, 16 Mar 2011 20:59:22 -0000 |
Issue is trigered, but there are nothing changes, i will try to get core
Mar 16 21:50:29 mainhost kernel: [28123.087654] BUG: unable to handle kernel
NULL pointer dereference at (null)
Mar 16 21:50:29 mainhost kernel: [28123.088106] IP: [<ffffffff8100fe7d>]
0xffffffff8100fe7d
Mar 16 21:50:29 mainhost kernel: [28123.088331] PGD 81a4f5067 PUD 81d08b067 PMD
0.
Mar 16 21:50:29 mainhost kernel: [28123.088555] Oops: 0000 [#1] SMP.
Mar 16 21:50:29 mainhost kernel: [28123.088776] last sysfs file:
/sys/devices/system/cpu/cpu3/topology/thread_siblings
Mar 16 21:50:29 mainhost kernel: [28123.089218] CPU 2.
Mar 16 21:50:29 mainhost kernel: [28123.089223] Modules linked in: i5k_amb
coretemp nfs lockd nfs_acl auth_rpcgss sunrpc ebtable_nat ebtables bridge stp
llc
Mar 16 21:50:29 mainhost kernel: [28123.090526].
Mar 16 21:50:29 mainhost kernel: [28123.090526] Pid: 2900, comm:
qemu-system-x86 Not tainted 2.6.38-gentoo #2 Intel S5000VSA/S5000VSA
Mar 16 21:50:29 mainhost kernel: [28123.090526] RIP: 0010:[<ffffffff8100fe7d>]
[<ffffffff8100fe7d>] 0xffffffff8100fe7d
Mar 16 21:50:29 mainhost kernel: [28123.090526] RSP: 0018:ffff88081b9b5a68
EFLAGS: 00010246
Mar 16 21:50:29 mainhost kernel: [28123.090526] RAX: 0000000000000000 RBX:
fffffffffffff001 RCX: 00000000000fee01
Mar 16 21:50:29 mainhost kernel: [28123.090526] RDX: 0000000000000022 RSI:
fffffffffffff001 RDI: ffff8807be235000
Mar 16 21:50:29 mainhost kernel: [28123.090526] RBP: 0000000000000001 R08:
0000000000000022 R09: 0000000000000040
Mar 16 21:50:29 mainhost kernel: [28123.090526] R10: ffff88081b9b5be8 R11:
0000000000000000 R12: 0000000000000ff8
Mar 16 21:50:29 mainhost kernel: [28123.090526] R13: 0000000001cbf000 R14:
0000000000000013 R15: 0000000000000000
Mar 16 21:50:29 mainhost kernel: [28123.090526] FS: 00007fd821b70700(0000)
GS:ffff88009f700000(0000) knlGS:000007fffffdd000
Mar 16 21:50:29 mainhost kernel: [28123.090526] CS: 0010 DS: 002b ES: 002b
CR0: 000000008005003b
Mar 16 21:50:29 mainhost kernel: [28123.090526] CR2: 0000000000000000 CR3:
000000081d245000 CR4: 00000000000426e0
Mar 16 21:50:29 mainhost kernel: [28123.090526] DR0: 0000000000000001 DR1:
0000000000000002 DR2: 0000000000000001
Mar 16 21:50:29 mainhost kernel: [28123.090526] DR3: 000000000000000a DR6:
00000000ffff0ff0 DR7: 0000000000000400
Mar 16 21:50:29 mainhost kernel: [28123.090526] Process qemu-system-x86 (pid:
2900, threadinfo ffff88081b9b4000, task ffff88081f344fa0)
Mar 16 21:50:29 mainhost kernel: [28123.090526] Stack:
Mar 16 21:50:29 mainhost kernel: [28123.090526] 8000000815be5207
ffff8806bcf93ff8 ffff88081b9d4000 ffffffff8100ff2e
Mar 16 21:50:29 mainhost kernel: [28123.090526] ffffffff8100132a
ffff88074b61a460 ffff88081a508000 ffffffff8101016c
Mar 16 21:50:29 mainhost kernel: [28123.090526] 0000000001cbf000
ffffffff81014d6d 000fffff00000001 0000000000001e76
Mar 16 21:50:29 mainhost kernel: [28123.090526] Call Trace:
Mar 16 21:50:29 mainhost kernel: [28123.090526] [<ffffffff8100ff2e>] ?
0xffffffff8100ff2e
Mar 16 21:50:29 mainhost kernel: [28123.090526] [<ffffffff8100132a>] ?
0xffffffff8100132a
Mar 16 21:50:29 mainhost kernel: [28123.090526] [<ffffffff8101016c>] ?
0xffffffff8101016c
Mar 16 21:50:29 mainhost kernel: [28123.090526] [<ffffffff81014d6d>] ?
0xffffffff81014d6d
Mar 16 21:50:29 mainhost kernel: [28123.090526] [<ffffffff810106a9>] ?
0xffffffff810106a9
Mar 16 21:50:29 mainhost kernel: [28123.090526] [<ffffffff810147d0>] ?
0xffffffff810147d0
Mar 16 21:50:29 mainhost kernel: [28123.090526] [<ffffffff81014c94>] ?
0xffffffff81014c94
Mar 16 21:50:29 mainhost kernel: [28123.090526] [<ffffffff8102283d>] ?
0xffffffff8102283d
Mar 16 21:50:29 mainhost kernel: [28123.090526] [<ffffffff810262a1>] ?
0xffffffff810262a1
Mar 16 21:50:29 mainhost kernel: [28123.090526] [<ffffffff8100d1b6>] ?
0xffffffff8100d1b6
Mar 16 21:50:29 mainhost kernel: [28123.090526] [<ffffffff81003f86>] ?
0xffffffff81003f86
Mar 16 21:50:29 mainhost kernel: [28123.090526] [<ffffffff810e0b37>] ?
0xffffffff810e0b37
Mar 16 21:50:29 mainhost kernel: [28123.090526] [<ffffffff81341d8e>] ?
0xffffffff81341d8e
Mar 16 21:50:29 mainhost kernel: [28123.090526] [<ffffffff810ed54c>] ?
0xffffffff810ed54c
Mar 16 21:50:29 mainhost kernel: [28123.090526] [<ffffffff810ed5d5>] ?
0xffffffff810ed5d5
Mar 16 21:50:29 mainhost kernel: [28123.090526] [<ffffffff810287fb>] ?
0xffffffff810287fb
Mar 16 21:50:29 mainhost kernel: [28123.090526] Code: 8b 47 50 8d 50 01 85 c0
89 57 50 75 07 41 58 e9 32 ff ff ff 5e c3 55 89 d5 53 48 89 f3 48 83 ec 08 e8 9
Mar 16 21:50:29 mainhost kernel: [28123.090526] RIP [<ffffffff8100fe7d>]
0xffffffff8100fe7d
Mar 16 21:50:29 mainhost kernel: [28123.090526] RSP <ffff88081b9b5a68>
Mar 16 21:50:29 mainhost kernel: [28123.090526] CR2: 0000000000000000
Mar 16 21:50:29 mainhost kernel: [28123.102127] ---[ end trace 68b482cf7220ceeb
]---
--
You received this bug notification because you are a member of qemu-
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https://bugs.launchpad.net/bugs/735752
Title:
qemu squeeze crashes "BUG: unable to handle kernel NULL pointer
dereference at (null)"
Status in QEMU:
New
Bug description:
my virtual machine server (qemu+libvirt) regularly breaks down with such a
record in the logs
I can not even ping the guest, but i can ping host, but can not do something
with it (cannot ssh login for example)
And I dont know how to reproduce the problem :(
Mar 15 17:58:04 mainhost kernel: [65866.976982] BUG: unable to handle kernel
NULL pointer dereference at (null)
Mar 15 17:58:04 mainhost kernel: [65866.977422] IP: [<ffffffff8100efbe>]
0xffffffff8100efbe
Mar 15 17:58:04 mainhost kernel: [65866.977663] PGD 7387b7067 PUD 81b723067
PMD 0.
Mar 15 17:58:04 mainhost kernel: [65866.977902] Oops: 0000 [#1] SMP.
Mar 15 17:58:04 mainhost kernel: [65866.978128] last sysfs file:
/sys/devices/system/cpu/cpu3/topology/thread_siblings
Mar 15 17:58:04 mainhost kernel: [65866.978572] CPU 1.
Mar 15 17:58:04 mainhost kernel: [65866.978577] Modules linked in: nfs lockd
nfs_acl auth_rpcgss sunrpc ebtable_nat ebtables coretemp bridge stp llc xt_state
Mar 15 17:58:04 mainhost kernel: [65866.979737].
Mar 15 17:58:04 mainhost kernel: [65866.979959] Pid: 3369, comm:
qemu-system-x86 Not tainted 2.6.37-gentoo-r2 #2 Intel S5000VSA/S5000VSA
Mar 15 17:58:04 mainhost kernel: [65866.980085] RIP:
0010:[<ffffffff8100efbe>] [<ffffffff8100efbe>] 0xffffffff8100efbe
Mar 15 17:58:04 mainhost kernel: [65866.980085] RSP: 0018:ffff880738767a48
EFLAGS: 00010246
Mar 15 17:58:04 mainhost kernel: [65866.980085] RAX: 0000000000000000 RBX:
fffffffffffff001 RCX: ffff88081cbeb948
Mar 15 17:58:04 mainhost kernel: [65866.980085] RDX: 0000000000000022 RSI:
fffffffffffff001 RDI: ffff88081cbeb000
Mar 15 17:58:04 mainhost kernel: [65866.980085] RBP: 0000000000000001 R08:
00000000000fee01 R09: 0000000000000022
Mar 15 17:58:04 mainhost kernel: [65866.980085] R10: 0000008000000000 R11:
ffffea0000000000 R12: ffff880818d83490
Mar 15 17:58:04 mainhost kernel: [65866.980085] R13: 00000000155e5000 R14:
0000000000000000 R15: 0000000000000100
Mar 15 17:58:04 mainhost kernel: [65866.980085] FS: 00007f5f25e4e700(0000)
GS:ffff88009f680000(0000) knlGS:fffff80001175000
Mar 15 17:58:04 mainhost kernel: [65866.980085] CS: 0010 DS: 002b ES: 002b
CR0: 000000008005003b
Mar 15 17:58:04 mainhost kernel: [65866.980085] CR2: 0000000000000000 CR3:
0000000806be9000 CR4: 00000000000426e0
Mar 15 17:58:04 mainhost kernel: [65866.980085] DR0: 0000000000000045 DR1:
0000000000000000 DR2: 0000000000000000
Mar 15 17:58:04 mainhost kernel: [65866.980085] DR3: 0000000000000005 DR6:
00000000ffff0ff0 DR7: 0000000000000400
Mar 15 17:58:04 mainhost kernel: [65866.980085] Process qemu-system-x86 (pid:
3369, threadinfo ffff880738766000, task ffff8808203ac360)
Mar 15 17:58:04 mainhost kernel: [65866.980085] Stack:
Mar 15 17:58:04 mainhost kernel: [65866.980085] 0000000000000000
ffff8806a30f3ff8 ffff880753980000 ffffffff8100f06f
Mar 15 17:58:04 mainhost kernel: [65866.980085] 0000000000000ff8
ffff8807705d6b40 0000000000000ff8 ffffffff810123f0
Mar 15 17:58:04 mainhost kernel: [65866.980085] 0000000000000000
0000000000000000 0000000000000000 0000000000000000
Mar 15 17:58:04 mainhost kernel: [65866.980085] Call Trace:
Mar 15 17:58:04 mainhost kernel: [65866.980085] [<ffffffff8100f06f>] ?
0xffffffff8100f06f
Mar 15 17:58:04 mainhost kernel: [65866.980085] [<ffffffff810123f0>] ?
0xffffffff810123f0
Mar 15 17:58:04 mainhost kernel: [65866.980085] [<ffffffff8100f744>] ?
0xffffffff8100f744
Mar 15 17:58:04 mainhost kernel: [65866.980085] [<ffffffff8100ffaf>] ?
0xffffffff8100ffaf
Mar 15 17:58:04 mainhost kernel: [65866.980085] [<ffffffff810011f1>] ?
0xffffffff810011f1
Mar 15 17:58:04 mainhost kernel: [65866.980085] [<ffffffff810142fc>] ?
0xffffffff810142fc
Mar 15 17:58:04 mainhost kernel: [65866.980085] [<ffffffff8100834d>] ?
0xffffffff8100834d
Mar 15 17:58:04 mainhost kernel: [65866.980085] [<ffffffff81011af6>] ?
0xffffffff81011af6
Mar 15 17:58:04 mainhost kernel: [65866.980085] [<ffffffff8100c5a7>] ?
0xffffffff8100c5a7
Mar 15 17:58:04 mainhost kernel: [65866.980085] [<ffffffff81003a85>] ?
0xffffffff81003a85
Mar 15 17:58:04 mainhost kernel: [65866.980085] [<ffffffff810e19b0>] ?
0xffffffff810e19b0
Mar 15 17:58:04 mainhost kernel: [65866.980085] [<ffffffff81078cd8>] ?
0xffffffff81078cd8
Mar 15 17:58:04 mainhost kernel: [65866.980085] [<ffffffff810e1a39>] ?
0xffffffff810e1a39
Mar 15 17:58:04 mainhost kernel: [65866.980085] [<ffffffff810267fb>] ?
0xffffffff810267fb
Mar 15 17:58:04 mainhost kernel: [65866.980085] Code: 8b 47 50 8d 50 01 85 c0
89 57 50 75 07 41 58 e9 32 ff ff ff 5f c3 55 89 d5 53 48 89 f3 48 83 ec 08 e8 d
Mar 15 17:58:04 mainhost kernel: [65866.980085] RIP [<ffffffff8100efbe>]
0xffffffff8100efbe
Mar 15 17:58:04 mainhost kernel: [65866.980085] RSP <ffff880738767a48>
Mar 15 17:58:04 mainhost kernel: [65866.980085] CR2: 0000000000000000
Mar 15 17:58:04 mainhost kernel: [65866.990753] ---[ end trace
d147f74976c2654d ]---
Linux mainhost 2.6.37-gentoo-r2 #2 SMP Mon Mar 14 22:53:20 MSK 2011
x86_64 Intel(R) Xeon(R) CPU E5405 @ 2.00GHz GenuineIntel GNU/Linux
app-emulation/qemu-kvm-0.13.0-r2
app-emulation/libvirt-0.8.8-r1
mainhost log # ps ax|grep qemu
2957 ? Sl 12:28 /usr/bin/qemu-system-x86_64 --enable-kvm -S -M
pc-0.13 -enable-kvm -m 512 -smp 1,sockets=1,cores=1,threads=1 -name dc1 -uuid
f090bfc9-1cab-e4e9-51ea-80c9cc775bff -nodefconfig -nodefaults -chardev
socket,id=charmonitor,path=/var/lib/libvirt/qemu/dc1.monitor,server,nowait -mon
chardev=charmonitor,id=monitor,mode=control -rtc base=localtime -boot
order=c,menu=off -drive
file=/dev/vm-storage/dc1,if=none,id=drive-ide0-0-0,format=raw -device
ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0 -drive
if=none,media=cdrom,id=drive-ide0-1-0,readonly=on,format=raw -device
ide-drive,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 -netdev
tap,fd=13,id=hostnet0 -device
rtl8139,netdev=hostnet0,id=net0,mac=52:54:00:7e:a1:a7,bus=pci.0,addr=0x4 -usb
-device usb-tablet,id=input0 -vnc 0.0.0.0:0,password -vga cirrus -device
virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3
2982 ? Rl 10:34 /usr/bin/qemu-system-x86_64 --enable-kvm -S -M
pc-0.13 -enable-kvm -m 1024 -smp 1,sockets=1,cores=1,threads=1 -name
transarchive -uuid b96a3481-1ad6-9329-387e-a1504a17d0ee -nodefconfig
-nodefaults -chardev
socket,id=charmonitor,path=/var/lib/libvirt/qemu/transarchive.monitor,server,nowait
-mon chardev=charmonitor,id=monitor,mode=control -rtc base=localtime -boot
order=c,menu=off -drive
file=/dev/vm-storage/transarchive,if=none,id=drive-ide0-0-0,format=raw -device
ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0 -drive
if=none,media=cdrom,id=drive-ide0-1-0,readonly=on,format=raw -device
ide-drive,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 -netdev
tap,fd=13,id=hostnet0,vhost=on,vhostfd=17 -device
virtio-net-pci,netdev=hostnet0,id=net0,mac=52:54:00:a9:f8:06,bus=pci.0,addr=0x3
-usb -device usb-tablet,id=input0 -vnc 0.0.0.0:3,password -vga std -device
virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x4
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