Xgl/Xglx: initialize_visual_and_buffer: Assertion `v->BitsPerPixel > 0' failed.

[Brian Paul]

Christopher Bayliss wrote:
> Christian Parpart wrote:
> 
>>Hi all,
>>
>>after having finally(!) compiled and installed the xserver from very recent 
>>CVS state, I were curious on Xgl/Xglx but when invoking them I get the 
>>following:
>>
>>trapni at battousai /opt/sandbox/fdo/bin $ ./Xgl :1
>>Xgl: /home/trapni/src/Xorg/xserver/../Mesa//src/mesa/drivers/x11/xm_api.c:1223: 
>>initialize_visual_and_buffer: Assertion `v->BitsPerPixel > 0' failed.
>>Aborted
>>
>>trapni at battousai /opt/sandbox/fdo/bin $ ./Xglx :1 -ac -screen 800x600
>>Xglx: /home/trapni/src/Xorg/xserver/../Mesa//src/mesa/drivers/x11/xm_api.c:1223: 
>>initialize_visual_and_buffer: Assertion `v->BitsPerPixel > 0' failed.
>>Aborted
>>
>>I ran this within my current X session.
>>Any idea on why this is happening?
> 
> 
> I don't know what's happening but I had the same problem. Xgl appears to
> work just fine if you comment the line out and recompile. It appears to
> be a check on the requested colour depth of the output screen.
> Alternatively, could try defining a colour depth when calling Xgl.

Could someone provide a stack trace?

-Brian