Re: [Qemu-devel] race between kvm-kmod-3.0 and kvm-kmod-3.3 // was: race condition in qemu-kvm-1.0.1

[Avi Kivity]

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



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