Bug#603015: xserver-xorg-video-intel: [G33] Crash (SEGV) when switching to 3D board in Fritz 12 under wine

[Michel Dänzer <daenzer@debian.org>]

On Mit, 2010-11-10 at 16:36 +0100, Julien Cristau wrote: 
> On Wed, Nov 10, 2010 at 15:59:36 +0500, François Guerraz wrote:
> 
> > #8  0x00007fd48e4b771e in __glXDisp_SwapBuffers (cl=0x154bad0, pc=<value optimized out>) at ../../../GL/glx/glxcmds.c:1506
> > 	client = (ClientPtr) 0xe1ff20
> > 	tag = 0
> > 	drawId = 37748747
> > 	glxc = (__GLXcontext *) 0x0
> > 	pGlxDraw = <value optimized out>
> > 	pPixmap = (__GLXpixmap *) 0xe1ff20
> > 	error = <value optimized out>
> 
> swapbuffers with a NULL context seems wrong...

glXSwapBuffers() doesn't require a current context. Our GLX
implementations traditionally broke in various ways in that case, but
AFAICT at least this particular crash might be fixed in newer versions
of the X server.


-- 
Earthling Michel Dänzer           |                http://www.vmware.com
Libre software enthusiast         |          Debian, X and DRI developer