Re: kernel bug in kvm_intel

[Avi Kivity <avi@redhat.com>]

On 10/31/2009 06:32 PM, Avi Kivity wrote:
> On 10/31/2009 06:25 PM, Andrew Theurer wrote:
>>> 5579 is not the preceding commit, it is the merged branch:
>>>
>>> commit ada3fa15057205b7d3f727bba5cd26b5912e350f
>>> Merge: 2f82af0 5579fd7
>>> Author: Linus Torvalds <torvalds@linux-foundation.org>
>>> Date:   Tue Sep 15 09:39:44 2009 -0700
>>>
>>>     Merge branch 'for-linus' of 
>>> git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu
>>>
>>>
>>> What happens with 2f82af0?
>>>
>>
>> 2f82af0 is:
>>
>>> Nicolas Pitre has a new email address
>>>
>>> Due to problems at cam.org, my nico@cam.org email address is no longer
>>> valid.  FRom now on, nico@fluxnic.net should be used instead.
>>
>> I have not tested that, but it doesn't seem likely that it would have 
>> anything to do with the problem.  Or maybe I am misunderstanding the 
>> impact of this commit?
>
> ada3fa15 is known broken.  It is the merge of two branches: 2f82 
> (mainline) and 5597.  Testing both branches would indicate the problem 
> is in the merge if both test ok.
>
>> Oh, wait, that commit was tested, in the middle of the log above.
>
> So the problem is the merge.  Will look.
>

Only, that merge doesn't change virt/kvm or arch/x86/kvm.

Tejun, anything known bad about that merge?  ada3fa15 kills kvm.

-- 
Do not meddle in the internals of kernels, for they are subtle and quick to panic.