Bug#529178: xserver-xorg-video-ati: Suffering from this bug + Possible mitigation

Pablo Oliveira pablo at sifflez.org
Wed Apr 3 11:22:08 PDT 2013

On Wed, Apr 3, 2013 at 3:34 PM, Alex Deucher <alexdeucher at gmail.com> wrote:

> On Tue, Apr 2, 2013 at 10:04 AM, Pablo Oliveira <pablo at sifflez.org> wrote:
> > Package: xserver-xorg-video-ati
> > Version: 1:6.14.4-8
> > Followup-For: Bug #529178
> > [...]
> >
> > * If I run "xset dpms force off" the problems disappears completely.
> To clarify, do you mean that after a dpms cycle both monitors work
> correctly?

Yes, after turning off DPMS, both monitors work correctly.
I have been using the system all day without any flickering problems.

> Does a newer kernel help?  3.2 is pretty old.  There were
> a number of display related fixes that went into 3.7 for example.

I will try with a new kernel and report back.

Also, I would add that, like the other people affected by this bug,
the problem triggers often when scrolling a window.

Pablo Oliveira.
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