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SubjectRe: fb layer & ioremap_wc
Date
On Monday 05 May 2008, Jesse Barnes wrote:
> On Monday, May 05, 2008 11:59 am Frans Pop wrote:
> > On Monday 05 May 2008, you wrote:
> > > On Monday, May 05, 2008 10:32 am Frans Pop wrote:
> > > > I suspect it could be vesafb/fbcon related instead. Normally I
> > > > boot my system with 'quiet vga=791', i.e. with vesafb. I then see
> > > > the artifacts.
> > > >
> > > > When I boot with 'video=vfb:off', I do _not_ get the artifacts
> > > > when X exits.
> > >
> > > Ahhh, I missed that part of your config. That could definitely
> > > have an effect on things... You'll probably want something like
> > > the attached
> >
> > Not sure what to make of this.
> > With your patch I still get the artifacts, but they are displayed a
> > lot shorter. I get only a flash instead of a-2 seconds.
>
> Hm, so I guess some other user is still using UC on the region. [Note
> to fb list: the patch just made vesafb use ioremap_wc instead of
> ioremap).

AFAIK there has been no progress on this issue, which is now listed on the
regression list for .26 [1]. As there has been no response from any fb
devs, is someone else maybe willing to have a closer look at this?

I'm still seeing the artifacts with -rc6 and the severity seems to depend
on what was last displayed: sometimes the whole display is covered with
colored nonsense, artistic maybe but not desired...

Cheers,
FJP

[1] http://bugzilla.kernel.org/show_bug.cgi?id=10843


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