[Bug 1268906] Re: cpu soft lockup running kvm

[James Hunt]

See CurrentDmesg.txt for lots of errors such as:

[ 1688.474887] Call Trace:
[ 1688.474914]  [<f8bae0f3>] kvm_vcpu_ioctl+0x433/0x4d0 [kvm]
[ 1688.474924]  [<c108064f>] ? wake_up_state+0xf/0x20
[ 1688.474931]  [<c10b9795>] ? wake_futex+0x65/0x90
[ 1688.474937]  [<c10babed>] ? futex_wake+0x13d/0x160
[ 1688.474942]  [<c10bbe4b>] ? do_futex+0xeb/0x660
[ 1688.474966]  [<f8badcc0>] ? vcpu_put+0x30/0x30 [kvm]
[ 1688.474972]  [<c1186012>] do_vfs_ioctl+0x2e2/0x4d0
[ 1688.474977]  [<c10b7819>] ? tick_program_event+0x29/0x30
[ 1688.474983]  [<c1075eb2>] ? hrtimer_interrupt+0x142/0x2b0
[ 1688.474988]  [<c10bc44c>] ? SyS_futex+0x8c/0x140
[ 1688.474993]  [<c1186260>] SyS_ioctl+0x60/0x80
[ 1688.475002]  [<c1646147>] syscall_call+0x7/0xb
[ 1688.475009]  [<c1640000>] ? __ticket_unlock_slowpath+0x13/0x31

** Also affects: qemu-kvm (Ubuntu)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1268906

Title:
  cpu soft lockup running kvm

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