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

[Pablo Oliveira]

On Wed, Apr 3, 2013 at 8:59 PM, Alex Deucher <alexdeucher at gmail.com> wrote:
>
> On Wed, Apr 3, 2013 at 2:22 PM, Pablo Oliveira <pablo at sifflez.org> wrote:
> > 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.
>
> Is this the same issue?  I.e., does the blinking come back after a
> dpms cycle if you scroll?

After a dpms cycle the problem disapears *completely*, whether I scroll or not.

If I *do not* dpms cycle, the screen blinks randomly, but the blinking
triggers often during a scroll.

Pablo