[Bug 73625] rv730 agp unstable while uvd video playback

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=73625

--- Comment #8 from Dieter Nützel <Dieter at nuetzel-hh.de> ---
(In reply to comment #6)
> (In reply to comment #5)
> > (In reply to comment #4)
> > > Will try, but this machine is so slow
> > 
> > Can you be more specific what you did, which movie you looked?
> For example this movie most of time triger instability
> http://d-h.st/bvr

Nice BD snipping...;-)

> I do nothing special: player in full-screen mode, mouse in idle.

Tried (all) combinations.
big window (start up)
switch to full-screen
switch back
change window to smaller KDE 4.12.1 default size
switch to full-screen
switch back...

I even can 'scroll' with the mouse wheel forth and back

=> NO blocks (squares).

Linux 3.13.0-rc7
Mesa git and 10.0.2 (openSUSE 12.3)
X.org 1.15 (openSUSE 12.3, Xorg repo)
xf86-video-ati-7.2.0 (latest openSUSE 12.3, Xorg repo)

> > Did severall tests for Christian and Alex with UVD.
> > 
> > Only this "Sometimes there are visible screen corruptions (color
> > squares)...) makes me wonder. Do you get it during UVD playback or later
> > (xdm/kdm) logout?
> It is about UVD playback. I does not see any desktop corruption without GPU
> hanging. If it hangs, reboot are required in most cases, as image does not
> restored properly after gpu reset and restarting of Xorg does not help.

But I found something with your test.mkv and another .mkv file.

It seems to be that we have a start up/initialization problem with UVD (2.2,
here). When your test.mkv file is the first one after start up/login it takes
several seconds to start and I had one hang. Whole system was not dead but X. 
Sadly no log.

After running other files with UVD *.mkv (big files?) start up is somewhat
better. But slower then others (e.g. Serenity - HD DVD Trailer.mp4).

But NO squares/blocks at all.

Some redraw stuttering during switch from full-screen to (small) window and
fewer back to full-screen. Much WORSE with Glamor. Generally speaking UVD takes
much more cycles under Glamor.

Glamor (a bug/leak; glamor-0.5.1-39.14) is the culprit for my reported color
squares during logout from KDE 4.12.1. If system starts without Glamor (the X
server 1.15.0 thing, https://bugs.freedesktop.org/show_bug.cgi?id=70706 ;-) I
get NOT any such things during fade out/logout from KDE.

Last thing:

Sometimes UVD starts reliable with sound (I even can scroll with the mouse
wheel forth and back) but with empty black video window (only the white mplayer
scale during scroll).
Worst case was:
1 normal start
then 5 BAD
then OK, again...

Christian?

System:
AMD  Duron 1800 (without SSE2!) - my little one...;-)
2 GB RAM
RV730  AGP 1 GB
2 x 24" BenQ DVI 1920x1080
all SSDs

openSUSE 12.3 (plus latest devel stuff)

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