Re: Intel Graphics: SNA testing report with xorg-x11-drv-intel >= 2.20

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On Thu, Aug 23, 2012 at 6:13 PM, Sandro Mani <manisandro@xxxxxxxxx> wrote:
>
> Probably unrelated but similar issue, though _without_ SNA (having an intel
> 4500MHD, using rawhide): sometime after mid-july I have started suffering
> severe redrawing issues, see [1] and [2]. Unfortunately I spent a few weeks
> working with the discreet graphics, so I missed the version after which
> issues started appearing. I am now gradually testing older
> xorg-x11-drv-intel packages to try to identify when breakage started, I
> suspect it is sometime after xorg-x11-drv-intel-2.20.0-1.20120718.fc18.
> Issue appears only after some time, and is definitely an intel issue
> (switching to the AMD discreet card it works fine). Also, GTK applications
> are affected much more severely than Qt ones. I was hoping to gather more
> information before filing a bug, (at least which version causes the
> breakage) but since this was brought up, here it goes...
>

Ok.
Anyway I disabled SNA and it still happens: to recap: on
gnome-fallback-mode, Qt (so far: Skype, unetbootin) apps seem to have
refresh issues. NOT related to SNA.

Clue 1: on unetbootin seems easier to trigger, just open it, "ISO"
field, click Browse, open /etc, screen should fail to refresh until
window moved. If it does refresh, walk "up" on file browser and retry.

Clue 2: so Sandro, to you it's to GTK mainly? Here it's Qt only. But
you're on KDE and I'm on Gnome. So a better summary would be
"cross-desktop applications have refresh broken occasionaly". Are you
using Compositing? I've only hit this now that I've tried
gnome-fallback-mode (without compositing).

P.S.: Fedora _17_ here.
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