From: Chris Clayton <chris2553@googlemail.com>
To: Avi Kivity <avi@redhat.com>
Cc: Gleb Natapov <gleb@redhat.com>,
Eric Northup <digitaleric@google.com>,
kvm@vger.kernel.org, Jan Kiszka <jan.kiszka@siemens.com>
Subject: Re: qemu-kvm-1.1.0 crashing with kernel 3.5.0-rc6
Date: Mon, 30 Jul 2012 15:07:17 +0100 [thread overview]
Message-ID: <50169515.7050900@googlemail.com> (raw)
In-Reply-To: <50169421.6060406@redhat.com>
On 07/30/12 15:03, Avi Kivity wrote:
> On 07/30/2012 05:00 PM, Chris Clayton wrote:
>> On 07/29/12 20:10, Chris Clayton wrote:
>>>>>> Possible culprit: b2da15ac26a0c00.
>>>>>>
>>>>>>
>>>>> That commit isn't in qermu-kvm-1.1.1.
>>>>>
>>>> It is in kernel.
>>>>
>>>
>>> Sorry, so it is.
>>>
>>> With kernel 3.5.0 with b2da15ac26a0c00 reverted, I have just had 15
>>> clean invocations of vanilla qemu-kvm-1.1.1. So that commit would seem
>>> to be the problem.
>>
>> Just to be sure, I've run some more tests today. No crashes occurred in
>> 20 runs of vanilla qemu-kvm-1.1.1 on kernel 3.5.0 with b2da15ac26a0c00
>> reverted.
>
> Ok. I'm trying to reproduce it here on a nested-virt setup, since the
> code looks correct.
>
> What's your preemption settings?
>
>
[chris:~/kernel/linux-3.5.0]$ grep PREEMPT .config
CONFIG_TREE_PREEMPT_RCU=y
CONFIG_PREEMPT_RCU=y
CONFIG_PREEMPT_NOTIFIERS=y
# CONFIG_PREEMPT_NONE is not set
# CONFIG_PREEMPT_VOLUNTARY is not set
CONFIG_PREEMPT=y
CONFIG_PREEMPT_COUNT=y
next prev parent reply other threads:[~2012-07-30 14:07 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-09 10:57 qemu-kvm-1.1.0 crashing with kernel 3.5.0-rc6 Chris Clayton
2012-07-11 7:09 ` Chris Clayton
2012-07-11 7:12 ` Gleb Natapov
2012-07-11 7:18 ` Chris Clayton
2012-07-11 7:22 ` Gleb Natapov
2012-07-15 19:52 ` Chris Clayton
2012-07-19 12:14 ` Chris Clayton
2012-07-19 12:17 ` Avi Kivity
2012-07-19 18:23 ` Chris Clayton
2012-07-26 9:52 ` Chris Clayton
2012-07-26 10:01 ` Avi Kivity
2012-07-26 10:29 ` Jan Kiszka
2012-07-26 10:45 ` Avi Kivity
2012-07-26 10:49 ` Jan Kiszka
2012-07-26 11:04 ` Jan Kiszka
2012-07-26 11:58 ` Chris Clayton
2012-07-26 12:07 ` Avi Kivity
2012-07-26 23:22 ` Chris Clayton
2012-07-27 10:46 ` Chris Clayton
[not found] ` <CAG7+5M2y8gJvDCNuWsSB3zH=r75H0Mn=JNV+4DBc5xYjM+BJWA@mail.gmail.com>
2012-07-27 19:04 ` Chris Clayton
2012-07-29 12:42 ` Avi Kivity
2012-07-29 14:03 ` Chris Clayton
2012-07-29 14:18 ` Avi Kivity
2012-07-29 14:48 ` Avi Kivity
2012-07-29 15:21 ` Chris Clayton
2012-07-29 15:47 ` Avi Kivity
2012-07-29 16:34 ` Avi Kivity
2012-07-29 17:50 ` Chris Clayton
2012-07-29 17:54 ` Gleb Natapov
2012-07-29 19:10 ` Chris Clayton
2012-07-30 14:00 ` Chris Clayton
2012-07-30 14:03 ` Avi Kivity
2012-07-30 14:07 ` Chris Clayton [this message]
2012-07-30 16:39 ` Avi Kivity
2012-07-30 23:36 ` Marcelo Tosatti
2012-07-31 9:11 ` Avi Kivity
2012-07-31 16:29 ` Marcelo Tosatti
2012-07-31 16:46 ` Avi Kivity
2012-08-01 13:11 ` Avi Kivity
2012-07-26 12:09 ` Jan Kiszka
2012-07-26 11:10 ` Xiao Guangrong
2012-07-26 13:49 ` Chris Clayton
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