[Intel-gfx] [Mesa3d-dev] i965 OpenGL is heavily broken again

[Florian Mickler]

On Sun, 07 Mar 2010 12:39:15 +0200
Maxim Levitsky <maximlevitsky at gmail.com> wrote:

> On Sat, 2010-03-06 at 23:55 +0100, Florian Mickler wrote:
> > On Sun, 07 Mar 2010 00:24:24 +0200
> > Maxim Levitsky <maximlevitsky at gmail.com> wrote:
> > 
> > > On Sun, 2010-03-07 at 00:05 +0200, Maxim Levitsky wrote:
> > > > On Sat, 2010-03-06 at 22:35 +0100, Florian Mickler wrote:
> > > > > On Sat, 06 Mar 2010 18:02:51 +0100
> > > > > Stephan Raue <mailinglists at openelec.tv> wrote:
> > > > > 
> > > > > > looks this like my problems that i have reported some days ago with 
> > > > > > Subject "Problem using an Mesa based App with recent 
> > > > > > xorg/mesa/xf86-video-intel (loop?)" to Mesa-dev, xorg and intel-gfx list?
> > > > > > 
> > > > > > i have still this issue, but i dont know what you need for informations 
> > > > > > to fix the issues?
> > > > > > 
> > > > > > with ati driver i dont have problems, only here with intel driver on my 
> > > > > > Thinkpad X200t with intel HDA Graphics card
> > > > > > 
> > > > 
> > > > I now see that compiz hangs in same way.
> > > > 
> > > > Attached are backtrace of the compiz, and backtrace of etracer which did
> > > > start full screen but became hung on resolution change.
> > > > 
> > > > Best regards,
> > > > 	Maxim Levitsky
> > > 
> > > Other info that might help:
> > > 
> > > I took a look at X and found that it was in normal waiting state
> > > sleeping waiting for input.
> > > 
> > > Also, I found when 'unstable' mesa would appear to work when I start the
> > > X while 'stable' one is used. It was compiz. When compiz is running
> > > using stable mesa, an game does change the resolution 'usualy' without
> > > hang even if uses unstable mesa.
> > > 
> > > Best regards,
> > > 	Maxim Levitsky
> > 
> > i found that the kernel updates for 2.6.34-rc1 did make the hang time
> > out... this has to be some vblank issue, i assume...
> 
> 
> Note that I did try git master of linus tree, and that didn't help with
> the hang at all (now pulled it again, but don't see any  changes in drm
> code)
> 
> Best regards,
> 	Maxim Levisky

yeah. i'm sorry. My issues vanished with current git versions of
libdrm,mesa,xserver,xf86-video-intel ... while trying to find out(in
vain) which part of the stack did fix the issue, i noticed that the 
xserver-patches in jesse's tree was which changed "hung" into
"timeout"... 

hth,
Flo