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SubjectRe: Regression introduced in v3.2.12 stable
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


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