Problem using an Mesa based App with recent xorg/mesa/xf86-video-intel (loop?)

Jesse Barnes jbarnes at
Tue Mar 2 13:59:00 PST 2010

On Tue, 2 Mar 2010 22:48:31 +0100
Florian Mickler <florian at> wrote:

> On Tue, 2 Mar 2010 11:50:05 -0800
> Jesse Barnes <jbarnes at> wrote:
> > So the server is hanging when the client tries to get buffers?  Can
> > you see what it's doing at the time?
> > 
> i'll try tomorrow...
> meanwhile, i watched a film and did some other things and now glxgears
> doesn't start anymore:
> dmk at schatten ~ $glxgears 
> Mesa: Mesa 7.8-devel DEBUG build Mar  2 2010 19:57:41
> Mesa warning: couldn't open, software DXTn
> compression/decompression unavailable Mesa: Initializing x86-64
> optimizations Running synchronized to the vertical refresh.  The
> framerate should be approximately 1/8504368 the monitor refresh rate.
> X Error of failed request:  BadDrawable (invalid Pixmap or Window
> parameter) Major opcode of failed request:  133 (DRI2)
>   Minor opcode of failed request:  8 (DRI2SwapBuffers           )
>   Resource id in failed request:  0x1c00002
>   Serial number of failed request:  32
>   Current serial number in output stream:  32
> does this 1/[bignumber] look alright? maybe that is the culprit...
> waiting some 10^6 time ... i think the monitor refresh rate is
> something about 60 hz? not over some khz?  which means that
> 1khz/8504368 is something about 1/8500 hz  which amounts to about 140
> secs? (it is late and i may have switched nominater and denominator a
> bit too often... but if i don't have crossed anything, than that could
> cause some hang... don't it?) 

I don't know how gears calculates that these days, but it generally
looks wrong for me too.

You have

commit 529bf185fbcb9f7705b315a5106054ee25c1c77f
Author: Eric Anholt <eric at>
Date:   Wed Feb 24 17:54:13 2010 -0800

    In frame event handling, track drawable id instead of drawable

in your xf86-video-intel tree?

Jesse Barnes, Intel Open Source Technology Center

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