[Bug 36222] kvm: 100% CPU usage after 3.0.0-rc1 guest shutdown

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https://bugzilla.kernel.org/show_bug.cgi?id=36222





--- Comment #10 from Avi Kivity <avi@xxxxxxxxxx>  2011-05-30 11:38:09 ---
On 05/30/2011 02:09 PM, bugzilla-daemon@xxxxxxxxxxxxxxxxxxx wrote:
> [   36.308445]  [<ffffffff810018ae>] cpu_idle+0x9e/0xb0
> [   36.308445]  [<ffffffff8162c73b>] start_secondary+0x177/0x17c
> [   36.308445] Code: 09 f4 65 48 8b 1c 25 c8 b5 00 00 48 81 eb c8 1f 00 00 0f
> 09 66 66 90 66 90 31 c9 0f 1f 80 00 00 00 00 0f ae 3b 48 89 d8 48 89 ca<0f>  01
> c8 0f ae f0 4c 89 e0 0f 01 c9 eb e9 66 0f 1f 84 00 00 00

0f 01 c8                 monitor %rax,%rcx,%rdx

The guest thinks it has monitor/mwait, which kvm doesn't emulate.

What's the guest's /proc/cpuinfo?

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