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SubjectRe: Kernel 2.6.30 and udevd problem
On Thu, 6 Aug 2009 15:53:23 +0200
Alberto Gonzalez <alberto6674@gmail.com> wrote:

> On Thursday 23 July 2009 02:06:36 Alberto Gonzalez wrote:
> > > On Wednesday 22 July 2009 21:44:36 Jesse Barnes wrote:
> > > > Hm, so this type of interrupt problem is *supposed* to be
> > > > handled by setting of the PEG_BAND_GAP_DATA reg (low bits set
> > > > to 0xd). Do you have that in your tree? Does git master have
> > > > this problem?
> >
> > I've tested 2.6.31 from git and I can reproduce the problem.
> > Attached is the dmesg with the debug patch applied.
> >
> > > > Maybe we need to add a patch to 2.6.30.x to set
> > > > PEG_BAND_GAP_DATA as a workaround (git master already has code
> > > > to do this properly for HDMI and DP outputs afaict).
>
> Hi,
>
> No updates here? I was wondering if it would be more useful to open a
> bug report so that it doesn't get lost. It is a rather nasty bug that
> keeps me using .29 kernel, and since it seems to be clear where the
> problem is it seems a pity to let it go...

Yeah, sorry was on vacation. A bug report would be great, can you
file one at bugs.freedesktop.org against drm/intel? I think I know
where the issue might be, but I'll have to come up with some more test
patches for you.

--
Jesse Barnes, Intel Open Source Technology Center


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