Public bug reported:
Binary package hint: kvm
Ubuntu Hardy 8.04.1 AMD64 2.6.24-23-server SMP
CPU: 2
RAM: 4 GB
SWAP: 6 GB
kvm: 1:62+dfsg-0ubuntu8
I have four guests running also with Hardy 64.
In irregular intervals at least one guest is not responding anymore. Shutdown
through "virsh" is not working, have to make a "kill -9" on the process id
(listed as <kvm defunct>).
In the kern.log I see the following:
Jan 19 01:00:09 core kernel: [128165.330998] Unable to handle kernel paging
request at 000000040000000a RIP:
Jan 19 01:00:09 core kernel: [128165.331004] [<ffffffff8854f6ec>]
:kvm:rmap_next+0x1c/0x60
Jan 19 01:00:09 core kernel: [128165.331021] PGD 119cd9067 PUD 0
Jan 19 01:00:09 core kernel: [128165.331026] Oops: 0000 [1] SMP
Jan 19 01:00:09 core kernel: [128165.331031] CPU 1
Jan 19 01:00:09 core kernel: [128165.331034] Modules linked in: tun
ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 xt_state nf_conntrack
ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables kvm_amd kvm powernow_k8
cpufreq_powersave cpufreq_ondemand cpufreq_conservative cpufreq_userspace
cpufreq_stats freq_table ipv6 bridge f71882fg parport_pc lp parport loop
snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm snd_page_alloc snd_hwdep
snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq
snd_timer snd_seq_device snd soundcore pcspkr i2c_piix4 button shpchp
pci_hotplug i2c_core evdev k8temp dm_multipath dm_mod pata_atiixp pata_acpi sg
ata_generic ehci_hcd sd_mod r8169 ohci_hcd usbcore raid10 raid456 async_xor
async_memcpy async_tx xor multipath linear thermal processor fan fbcon tileblit
font bitblit softcursor raid1 raid0 md_mod atiixp ide_core ahci sata_nv
sata_sil sata_via libata 3w_9xxx 3w_xxxx scsi_mod xfs ext3 jbd ext2 mbcache
reiserfs
Jan 19 01:00:09 core kernel: [128165.331144] Pid: 5484, comm: kvm Not tainted
2.6.24-23-server #1
Jan 19 01:00:09 core kernel: [128165.331148] RIP: 0010:[<ffffffff8854f6ec>]
[<ffffffff8854f6ec>] :kvm:rmap_next+0x1c/0x60
Jan 19 01:00:09 core kernel: [128165.331160] RSP: 0018:ffff81011a58bb30
EFLAGS: 00010246
Jan 19 01:00:09 core kernel: [128165.331164] RAX: 0000000000000000 RBX:
800000010c9a2061 RCX: 0000000000000000
Jan 19 01:00:09 core kernel: [128165.331170] RDX: 0000000000000000 RSI:
0000000000000000 RDI: 000000040000000a
Jan 19 01:00:09 core kernel: [128165.331175] RBP: ffffc2000182a610 R08:
0000000000000001 R09: 0000000000000007
Jan 19 01:00:09 core kernel: [128165.331181] R10: 0000000000000000 R11:
0000000000000002 R12: ffff8100ab32e630
Jan 19 01:00:09 core kernel: [128165.331187] R13: ffff81011a14c000 R14:
ffffc20001827a20 R15: 000000000002c244
Jan 19 01:00:09 core kernel: [128165.331193] FS: 00007fd324195700(0000)
GS:ffff81011bc01800(0000) knlGS:ffffffff805c4000
Jan 19 01:00:09 core kernel: [128165.331199] CS: 0010 DS: 0000 ES: 0000 CR0:
000000008005003b
Jan 19 01:00:09 core kernel: [128165.331203] CR2: 000000040000000a CR3:
0000000119cd6000 CR4: 00000000000006e0
Jan 19 01:00:09 core kernel: [128165.331209] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Jan 19 01:00:09 core kernel: [128165.331214] DR3: 0000000000000000 DR6:
00000000ffff0ff0 DR7: 0000000000000400
Jan 19 01:00:09 core kernel: [128165.331220] Process kvm (pid: 5484, threadinfo
ffff81011a58a000, task ffff810117dca000)
Jan 19 01:00:09 core kernel: [128165.331226] Stack: ffffffff8855124e
000000002c1a13d8 ffff81011a920000 0000000100000007
Jan 19 01:00:09 core kernel: [128165.331235] 0000000000000000 0000000000000002
ffff81011a920000 ffff810060f8efe0
Jan 19 01:00:09 core kernel: [128165.331244] 000000000000ae80 0000000000000001
ffffffff885530d8 ffff810060f8efe0
Jan 19 01:00:09 core kernel: [128165.331250] Call Trace:
Jan 19 01:00:09 core kernel: [128165.331260] [<ffffffff8855124e>]
:kvm:kvm_mmu_get_page+0x38e/0x4a0
Jan 19 01:00:09 core kernel: [128165.331275] [<ffffffff885530d8>]
:kvm:paging64_page_fault+0x458/0x520
Jan 19 01:00:09 core kernel: [128165.331284] [__up_read+0x21/0xb0]
__up_read+0x21/0xb0
Jan 19 01:00:09 core kernel: [128165.331309] [<ffffffff885517b9>]
:kvm:kvm_mmu_page_fault+0x19/0x90
Jan 19 01:00:09 core kernel: [128165.331320] [<ffffffff8854e737>]
:kvm:kvm_arch_vcpu_ioctl_run+0x147/0x620
Jan 19 01:00:09 core kernel: [128165.331328]
[snd_pcm:getnstimeofday+0x33/0xa2b0] getnstimeofday+0x33/0xa0
Jan 19 01:00:09 core kernel: [128165.331338] [<ffffffff88549ddd>]
:kvm:kvm_vcpu_ioctl+0x33d/0x350
Jan 19 01:00:09 core kernel: [128165.331350] [core_sys_select+0x232/0x300]
core_sys_select+0x232/0x300
Jan 19 01:00:09 core kernel: [128165.331365]
[snd_pcm:getnstimeofday+0x33/0xa2b0] getnstimeofday+0x33/0xa0
Jan 19 01:00:09 core kernel: [128165.331372] [enqueue_hrtimer+0x6e/0x110]
enqueue_hrtimer+0x6e/0x110
Jan 19 01:00:09 core kernel: [128165.331380] [hrtimer_start+0xee/0x170]
hrtimer_start+0xee/0x170
Jan 19 01:00:09 core kernel: [128165.331390] [do_ioctl+0x2f/0xa0]
do_ioctl+0x2f/0xa0
Jan 19 01:00:09 core kernel: [128165.331396] [vfs_ioctl+0x220/0x2c0]
vfs_ioctl+0x220/0x2c0
Jan 19 01:00:09 core kernel: [128165.331404] [sys_ioctl+0x91/0xb0]
sys_ioctl+0x91/0xb0
Jan 19 01:00:09 core kernel: [128165.331412] [system_call+0x7e/0x83]
system_call+0x7e/0x83
Jan 19 01:00:09 core kernel: [128165.331424]
Jan 19 01:00:09 core kernel: [128165.331426]
Jan 19 01:00:09 core kernel: [128165.331427] Code: 48 8b 04 cf 48 85 c0 74 1b
48 39 d6 74 24 48 83 c1 01 48 83
Jan 19 01:00:09 core kernel: [128165.331446] RIP [<ffffffff8854f6ec>]
:kvm:rmap_next+0x1c/0x60
Jan 19 01:00:09 core kernel: [128165.331456] RSP <ffff81011a58bb30>
Jan 19 01:00:09 core kernel: [128165.331459] CR2: 000000040000000a
Jan 19 01:00:09 core kernel: [128165.331569] ---[ end trace d27eee8a44a3f040
]---
What can be the problem?
Kind Regards
Joerg
** Affects: kvm (Ubuntu)
Importance: Undecided
Status: New
** Tags: kernel kvm oops paging
--
kvm host unable to handle kernel paging request
https://bugs.launchpad.net/bugs/318657
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