From: Peter Lieven <pl@dlhnet.de>
To: Avi Kivity <avi@redhat.com>
Cc: Jan Kiszka <jan.kiszka@siemens.com>,
Gleb Natapov <gleb@redhat.com>,
qemu-devel@nongnu.org, kvm@vger.kernel.org
Subject: Re: [Qemu-devel] race between kvm-kmod-3.0 and kvm-kmod-3.3 // was: race condition in qemu-kvm-1.0.1
Date: Tue, 03 Jul 2012 15:15:04 +0200 [thread overview]
Message-ID: <4FF2F058.1010601@dlhnet.de> (raw)
In-Reply-To: <4FF2EFE0.2090400@redhat.com>
On 03.07.2012 15:13, Avi Kivity wrote:
> On 07/03/2012 04:01 PM, Peter Lieven wrote:
>> Further output from my testing.
>>
>> Working:
>> Linux 2.6.38 with included kvm module
>> Linux 3.0.0 with included kvm module
>>
>> Not-Working:
>> Linux 3.2.0 with included kvm module
>> Linux 2.6.28 with kvm-kmod 3.4
>> Linux 3.0.0 with kvm-kmod 3.4
>> Linux 3.2.0 with kvm-kmod 3.4
>>
>> I can trigger the race with any of qemu-kvm 0.12.5, 1.0 or 1.0.1.
>> It might be that the code was introduced somewhere between 3.0.0
>> and 3.2.0 in the kvm kernel module and that the flaw is not
>> in qemu-kvm.
>>
>> Any hints?
>>
> A bisect could tell us where the problem is.
>
> To avoid bisecting all of linux, try
>
> git bisect v3.2 v3.0 virt/kvm arch/x86/kvm
>
>
would it also be ok to bisect kvm-kmod?
thanks,
peter
next prev parent reply other threads:[~2012-07-03 13:15 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4FEB2945.1030607@dlhnet.de>
[not found] ` <4FEB3AC6.6010206@web.de>
[not found] ` <4FEC1FC9.7050103@dlhnet.de>
[not found] ` <4FEC2210.1030005@siemens.com>
[not found] ` <4FEC2475.4030202@dlhnet.de>
[not found] ` <4FEC2626.90402@dlhnet.de>
2012-07-02 15:05 ` [Qemu-devel] race between kvm-kmod-3.0 and kvm-kmod-3.3 // was: race condition in qemu-kvm-1.0.1 Avi Kivity
2012-07-02 15:57 ` Peter Lieven
2012-07-03 13:01 ` Peter Lieven
2012-07-03 13:13 ` Avi Kivity
2012-07-03 13:15 ` Peter Lieven [this message]
2012-07-03 13:25 ` Avi Kivity
2012-07-04 14:57 ` Peter Lieven
2012-07-04 23:12 ` Peter Lieven
2012-07-05 6:48 ` Xiao Guangrong
2012-07-05 8:51 ` Xiao Guangrong
2012-07-05 12:42 ` Peter Lieven
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