From mboxrd@z Thu Jan  1 00:00:00 1970
From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Subject: Re: Changing clock in KVM host may cause VM to hang
Date: Wed, 17 Aug 2011 10:57:49 +0800
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On 08/16/2011 03:50 PM, =E7=BC=96=E7=A0=81=E4=BA=BA wrote:
> Hi,
>=20
> Does anyone know this issue?
>=20

Could you describe your environment more detailed please?
- Your host information (32/64, cpuinfo)
- Your guest information (32/64)

And please enable the trace events of kvm to see what happened when
the guest was hanging:

mount -t debugfs none /debug
echo 1 > /debug/tracing/events/kvm/enable
cat /debug/trace

I'll try to reproduce it.

Thanks!