xf86-videdo-intel branch intel-batchbuffer

[Johannes Engel]

Michel Dänzer wrote:
> Maybe the batchbuffer branch doesn't properly support zero-copy
> GLX_EXT_texture_from_pixmap yet, try commenting out the
>
> 	 pDRIInfo->texOffsetStart = I830TexOffsetStart;
>
> assignment in src/i830_dri.c.
>   
If I comment that out, compile and install the driver 2D mode (kwin3,
metacity...) works well. But starting compiz or kwin4 kicks the X.org
server with the following backtrace:

Backtrace:
0: /usr/local/bin/Xorg(xf86SigHandler+0x79) [0x80cb489]
1: [0xb7f77420]
2: /lib/libc.so.6(__libc_calloc+0xd9) [0xb7b7df89]
3: /usr/local/lib/dri/i915_dri.so(intel_region_alloc+0x31) [0xa76b6f3e]
4: /usr/local/lib/dri/i915_dri.so(intel_miptree_create+0x18d) [0xa76b8994]
5: /usr/local/lib/dri/i915_dri.so [0xa76b9bdd]
6: /usr/local/lib/dri/i915_dri.so(intelTexImage2D+0x7a) [0xa76ba52b]
7: /usr/local/lib/dri/i915_dri.so(_mesa_TexImage2D+0x287) [0xa774a966]
8: /usr/local/lib/xorg/modules/extensions//libglx.so [0xb7ab438f]
9: /usr/local/lib/xorg/modules/extensions//libglx.so [0xb7a7aba0]
10: /usr/local/lib/xorg/modules/extensions//libglx.so [0xb7a79877]
11: /usr/local/lib/xorg/modules/extensions//libglx.so [0xb7a7de16]
12: /usr/local/bin/Xorg [0x8152b82]
13: /usr/local/bin/Xorg(Dispatch+0x2d4) [0x808a444]
14: /usr/local/bin/Xorg(main+0x46d) [0x807114d]
15: /lib/libc.so.6(__libc_start_main+0xe0) [0xb7b29fe0]
16: /usr/local/bin/Xorg(FontFileCompleteXLFD+0x1d9) [0x80705a1]

Fatal server error:
Caught signal 11.  Server aborting

Greetings, Johannes