Re: kvm segfaults and bad page state in 3.4.0

2012-07-03 Thread Xiao Guangrong
Hi Fengguang, I can reproduce this bug in my test case, and have posted a patch to fix it which can found at: http://marc.info/?l=linux-mmm=134129723504527w=2 Could you please try it? On 06/04/2012 07:46 PM, Fengguang Wu wrote: Hi, I'm running lots of kvm instances for doing kernel boot

Re: kvm segfaults and bad page state in 3.4.0

2012-07-03 Thread Fengguang Wu
Hi Guangrong, On Tue, Jul 03, 2012 at 02:41:02PM +0800, Xiao Guangrong wrote: Hi Fengguang, I can reproduce this bug in my test case, and have posted a patch to fix it which can found at: http://marc.info/?l=linux-mmm=134129723504527w=2 Could you please try it? Thank you very much! I'm

kvm segfaults and bad page state in 3.4.0

2012-06-04 Thread Fengguang Wu
Hi, I'm running lots of kvm instances for doing kernel boot tests. Unfortunately the test system itself is not stable enough, I got scary errors in both kvm and the host kernel. Like this. [294025.795382] kvm used greatest stack depth: 2896 bytes left [310388.622083] kvm[1864]: segfault at c ip

Re: kvm segfaults and bad page state in 3.4.0

2012-06-04 Thread Gleb Natapov
On Mon, Jun 04, 2012 at 07:46:03PM +0800, Fengguang Wu wrote: Hi, I'm running lots of kvm instances for doing kernel boot tests. Unfortunately the test system itself is not stable enough, I got scary errors in both kvm and the host kernel. Like this. What do you mean by in both kvm and

Re: kvm segfaults and bad page state in 3.4.0

2012-06-04 Thread Fengguang Wu
On Mon, Jun 04, 2012 at 08:35:30PM +0800, Fengguang Wu wrote: Hi Gleb, On Mon, Jun 04, 2012 at 02:56:50PM +0300, Gleb Natapov wrote: On Mon, Jun 04, 2012 at 07:46:03PM +0800, Fengguang Wu wrote: Hi, I'm running lots of kvm instances for doing kernel boot tests. Unfortunately the