Comment 110 for bug 419328

I still encounter this issue on lucid with xserver-xorg-video-intel-2.9.1-1ubuntu5 and mesa7.7-0ubuntu8 with an Intel '945GM/GMS/GME, 943/940GML Express'.

Backtrace:
0: /usr/bin/X (xorg_backtrace+0x3b) [0x80e876b]
1: /usr/bin/X (0x8048000+0x61a1d) [0x80a9a1d]
2: (vdso) (__kernel_rt_sigreturn+0x0) [0xb55410]
3: /usr/lib/dri/i915_dri.so (0xef4000+0x208a16) [0x10fca16]
4: /usr/lib/dri/i915_dri.so (_mesa_execute_program+0x2a2d) [0x103a63d]
5: /usr/lib/dri/i915_dri.so (_swrast_exec_fragment_program+0x1a4) [0x10fccb4]
6: /usr/lib/dri/i915_dri.so (0xef4000+0x16558f) [0x105958f]
7: /usr/lib/dri/i915_dri.so (_swrast_write_rgba_span+0xd40) [0x105a9b0]
8: /usr/lib/dri/i915_dri.so (0xef4000+0x17ebb2) [0x1072bb2]
9: /usr/lib/dri/i915_dri.so (0xef4000+0x15920f) [0x104d20f]
10: /usr/lib/dri/i915_dri.so (_swrast_Triangle+0x2d) [0x104c41d]
11: /usr/lib/dri/i915_dri.so (0xef4000+0x18b39f) [0x107f39f]
12: /usr/lib/dri/i915_dri.so (0xef4000+0x18b3e5) [0x107f3e5]
13: /usr/lib/dri/i915_dri.so (0xef4000+0x124d37) [0x1018d37]
14: /usr/lib/dri/i915_dri.so (0xef4000+0x126389) [0x101a389]
15: /usr/lib/dri/i915_dri.so (_tnl_run_pipeline+0x163) [0x100e103]
16: /usr/lib/dri/i915_dri.so (0xef4000+0x718cd) [0xf658cd]
17: /usr/lib/dri/i915_dri.so (_tnl_draw_prims+0xc66) [0x100ee46]
18: /usr/lib/dri/i915_dri.so (_tnl_vbo_draw_prims+0x79) [0x100f279]
19: /usr/lib/dri/i915_dri.so (vbo_exec_vtx_flush+0x5f4) [0x1007364]
20: /usr/lib/dri/i915_dri.so (vbo_exec_FlushVertices_internal+0x3a) [0x100323a]
21: /usr/lib/dri/i915_dri.so (vbo_exec_FlushVertices+0x50) [0x10032f0]
22: /usr/lib/dri/i915_dri.so (_mesa_MatrixMode+0x181) [0xfc7ed1]
23: /usr/lib/xorg/modules/extensions/libglx.so (0x317000+0x8d19) [0x31fd19]
24: /usr/lib/xorg/modules/extensions/libglx.so (0x317000+0x323f4) [0x3493f4]
25: /usr/lib/xorg/modules/extensions/libglx.so (0x317000+0x36c6e) [0x34dc6e]
26: /usr/bin/X (0x8048000+0x2a3a7) [0x80723a7]
27: /usr/bin/X (0x8048000+0x1ed4a) [0x8066d4a]
28: /lib/tls/i686/cmov/libc.so.6 (__libc_start_main+0xe6) [0x1d9bd6]
29: /usr/bin/X (0x8048000+0x1e931) [0x8066931]
Segmentation fault at address (nil)
Caught signal 11 (Segmentation fault). Server aborting