WARNING: at /usr/src/modules/kvm/mmu.c:390 account_shadowed()

Thomas Cataldo
2008-04-21T19:57:19Z

Hi,

I am running kvm-66 on top of a debian sid host with 2.6.24 (intel 32bit host).

Got the following in my logs today :

Apr 21 17:55:01 buffy kernel: WARNING: at
/usr/src/modules/kvm/mmu.c:390 account_shadowed()
Apr 21 17:55:01 buffy kernel: Pid: 21416, comm: kvm Tainted: P
2.6.24-1-686 #1
Apr 21 17:55:01 buffy kernel: [<f8d07a36>] kvm_mmu_get_page+0x42d/0x447 [kvm]
Apr 21 17:55:01 buffy kernel: [<f8d08cca>] kvm_mmu_load+0xdf/0x15c [kvm]
Apr 21 17:55:01 buffy kernel: [<f8affe41>]
vmx_queue_exception+0x0/0x33 [kvm_intel]
Apr 21 17:55:01 buffy kernel: [<f8d05521>]
kvm_arch_vcpu_ioctl_run+0x233/0x5a9 [kvm]
Apr 21 17:55:01 buffy kernel: [<f8d013aa>] kvm_vcpu_ioctl+0xe4/0x34c [kvm]
Apr 21 17:55:01 buffy kernel: [<c0159078>] delayacct_end+0x70/0x77
Apr 21 17:55:01 buffy kernel: [<c015aa19>] sync_page+0x0/0x3b
Apr 21 17:55:01 buffy kernel: [<c0159388>] __delayacct_blkio_end+0x5b/0x5f
Apr 21 17:55:01 buffy kernel: [<c02bcaab>] io_schedule+0x64/0x80
Apr 21 17:55:01 buffy kernel: [<c011e07d>] enqueue_entity+0x2b/0x3d
Apr 21 17:55:01 buffy kernel: [<c0115343>] apic_wait_icr_idle+0xe/0x15
Apr 21 17:55:01 buffy kernel: [<c011e0a5>] enqueue_task_fair+0x16/0x24
Apr 21 17:55:01 buffy kernel: [<c011d643>] enqueue_task+0x52/0x5d
Apr 21 17:55:01 buffy kernel: [<c011de9e>] resched_task+0x52/0x54
Apr 21 17:55:01 buffy kernel: [<c011f459>] try_to_wake_up+0x2b8/0x2c2
Apr 21 17:55:01 buffy kernel: [<c011d47e>] __wake_up_common+0x32/0x5c
Apr 21 17:55:01 buffy kernel: [<c011eecc>] __wake_up+0x32/0x42
Apr 21 17:55:01 buffy kernel: [<c013e25c>] wake_futex+0x3b/0x45
Apr 21 17:55:01 buffy kernel: [<c013e4de>] futex_wake+0x81/0xb0
Apr 21 17:55:01 buffy kernel: [<c013f097>] do_futex+0x77/0x983
Apr 21 17:55:01 buffy kernel: [<c011d9ca>] update_curr+0x62/0xef
Apr 21 17:55:01 buffy kernel: [<c0103044>] __switch_to+0x9d/0x11d
Apr 21 17:55:01 buffy kernel: [<f8d012c6>] kvm_vcpu_ioctl+0x0/0x34c [kvm]
Apr 21 17:55:01 buffy kernel: [<c018285b>] do_ioctl+0x1f/0x62
Apr 21 17:55:01 buffy kernel: [<c0182ad5>] vfs_ioctl+0x237/0x249
Apr 21 17:55:01 buffy kernel: [<c0182b2c>] sys_ioctl+0x45/0x5d
Apr 21 17:55:01 buffy kernel: [<c0103e5e>] sysenter_past_esp+0x6b/0xa1

Regards,
Thomas.