Re: Regression introduced in v3.2.12 stable

From: Joseph Salisbury
Date: Thu Mar 22 2012 - 17:53:44 EST


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On 03/22/2012 05:52 PM, Greg KH wrote:
> On Thu, Mar 22, 2012 at 05:43:42PM -0400, Joseph Salisbury wrote:
>> On 03/22/2012 05:26 PM, Greg KH wrote:
>>> On Thu, Mar 22, 2012 at 03:15:03PM -0400, Joseph Salisbury
>>> wrote:
>>>> I figured I'd send a heads up regarding a possible regression
>>>> in v3.2.12 stable. The issue prevents systems from booting.
>>>>
>>>> There have been a few bugs[0] reported against the Ubuntu
>>>> kernel, which was recently rebased to 3.2.12. We're in the
>>>> process of bisecting now and will post an update..
>>>
>>> What specifically happens here when the system does not boot?
>>> Any error message? Are you sure this isn't the known pci
>>> express issue showing up here?
>>>
>>> Can you run 'git bisect' to trace it down to a specific patch
>>> please?
>>>
>>> thanks,
>>>
>>> greg k-h
>>
>> Hi Greg,
>>
>> Thanks for the response.
>>
>> We did some bisecting/testing and identified the bad commit in
>> 3.2.12 as the following:
>>
>> f043ddb60c84ea64a23b755004572afe922e653c PCI: ignore pre-1.1
>> ASPM quirking when ASPM is disabled
>
> Yup, that's the known problem one. But, note that it does solve
> other people's problems at the moment, so you can't just ignore it
> :)
>
> greg k-h

Thanks for the info, Greg. I'll keep up to date on the other thread.
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