xorg HEAD + Mesa HEAD = boom

[Kristian Høgsberg]

Benjamin Herrenschmidt wrote:
> Haven't had time to investigate much yet (and probably won't for a
> couple of weeks) but with a build of today's CVS Mesa, r300 DRI, and X
> against that Mesa version (the whole lot), the server blows up right
> away when launching glxinfo or glxgears.
> 
> The latest log I got (with glxgears) shows this backtrace:

It isn't clear from the stack trace what went wrong, but I've just 
checked in a patch which fixes a few issues: GLcore needs to build with 
TLS settings matching glx, the ARGB visual is now marked as 
non-conformant, and there was a problem with freeing a mesa buffer even 
if it never got allocated.

Kristian


> Backtrace:
> 0: /usr/local/xorg/bin/X(xf86SigHandler+0xa4) [0x10082344]
> 1: [0x100374]
> 2: [0x10c5b548]
> 3: [0x10c5b548]
> 4: /usr/local/xorg/lib/xorg/modules/extensions/libGLcore.so(xmesa_resize_buffers+0x54) [0xf61c004]
> 5: /usr/local/xorg/lib/xorg/modules/extensions/libGLcore.so(XMesaResizeBuffers+0x60) [0xf61ac54]
> 6: /usr/local/xorg/lib/xorg/modules/extensions/libGLcore.so [0xf616f04]
> 7: /usr/local/xorg/lib/xorg/modules/extensions/libglx.so(DoMakeCurrent+0x5d8) [0xf98e06c]
> 8: /usr/local/xorg/lib/xorg/modules/extensions/libglx.so(__glXMakeCurrent+0x24) [0xf98e164]
> 9: /usr/local/xorg/lib/xorg/modules/extensions/libglx.so [0xf993d94]
> 10: /usr/local/xorg/bin/X(Dispatch+0x21c) [0x10043c40]
> 11: /usr/local/xorg/bin/X(main+0x47c) [0x10025170]
> 12: /lib/libc.so.6 [0xfc558ec]
> 13: /lib/libc.so.6 [0xfc55a34]