Public bug reported:
Binary package hint: kvm
dmesg shows a whole bunch of these. Didnt seem to cause any problems
though. On other occasions Ill have a guest slice stop responding though
and go up to 100% cpu usage. Could be related. Here is the dmesg error.
I see this repeated in my dmesg 70 times.
[110238.514964] =======================
[110238.515210] WARNING: at /build/buildd/linux-2.6.24/arch/x86/kvm/mmu.c:378
account_shadowed()
[110238.515212] Pid: 4622, comm: kvm Not tainted 2.6.24-19-server #1
[110238.515220] [<f8fea70f>] kvm_mmu_get_page+0x2ef/0x440 [kvm]
[110238.515234] [<f8fecf1e>] paging32_page_fault+0x3de/0x4b0 [kvm]
[110238.515249] [<f8fec073>] kvm_mmu_page_fault+0x13/0x90 [kvm]
[110238.515260] [<f8fc22f1>] kvm_handle_exit+0x71/0xc0 [kvm_intel]
[110238.515267] [<f8fc2607>] vmx_vcpu_run+0x107/0x180 [kvm_intel]
[110238.515272] [<f8fe82dd>] kvm_arch_vcpu_ioctl_run+0x13d/0x5e0 [kvm]
[110238.515283] [<f8fe3bfd>] kvm_vcpu_ioctl+0x34d/0x360 [kvm]
[110238.515292] [<c02d50a8>] nf_hook_slow+0x98/0xd0
[110238.515296] [<f8fb2aa0>] br_handle_frame_finish+0x0/0x140 [bridge]
[110238.515303] [<f8fb2d00>] br_handle_frame+0x120/0x1e0 [bridge]
[110238.515310] [<f8fb2aa0>] br_handle_frame_finish+0x0/0x140 [bridge]
[110238.515317] [<c02b8b55>] netif_receive_skb+0x185/0x440
[110238.515321] [<c02bb765>] process_backlog+0x75/0xe0
[110238.515325] [<c02bb13d>] net_rx_action+0x12d/0x210
[110238.515330] [<c0136d82>] __do_softirq+0x82/0x110
[110238.515334] [<c02b90a7>] netif_rx_ni+0x27/0x30
[110238.515337] [<f8fa4eae>] tun_chr_aio_write+0x10e/0x212 [tun]
[110238.515342] [<c019a265>] do_sync_write+0xd5/0x120
[110238.515347] [<f8fe3527>] kvm_vm_ioctl+0x77/0x1c0 [kvm]
[110238.515356] [<c0145fc0>] autoremove_wake_function+0x0/0x40
[110238.515361] [<c010736e>] __switch_to+0x9e/0x150
[110238.515365] [<f8fe38b0>] kvm_vcpu_ioctl+0x0/0x360 [kvm]
[110238.515374] [<c01a692b>] do_ioctl+0x2b/0x90
[110238.515377] [<c01a6bbe>] vfs_ioctl+0x22e/0x2b0
[110238.515380] [<c01498be>] ktime_get_ts+0x1e/0x60
[110238.515383] [<c01a6c96>] sys_ioctl+0x56/0x70
[110238.515386] [<c010839a>] sysenter_past_esp+0x6b/0xa1
[110238.515392] =======================
** Affects: kvm (Ubuntu)
Importance: Undecided
Status: New
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dmesg is flooded with warnings in kvm/mmu.c
https://bugs.launchpad.net/bugs/243393
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