Whenever I launch blender and start rotating the camera around the default cube
blender crashes the x server. I'm using the opensource nv driver as the machine
is a ppc linux machine.

The Xorg log has this:
Backtrace:
0: X(xf86SigHandler+0x98) [0x1008ed2c]
1: [0x100374]
2: [0x10a56408]
3: /usr/lib/xorg/modules/extensions/libGLcore.so(_swrast_write_rgba_span+0x510)
[0xf5e8164]
4: /usr/lib/xorg/modules/extensions/libGLcore.so [0xf5dbc08]
5: /usr/lib/xorg/modules/extensions/libGLcore.so [0xf5d1708]
6: /usr/lib/xorg/modules/extensions/libGLcore.so(_swrast_Line+0x2c) [0xf5d06cc]
7: /usr/lib/xorg/modules/extensions/libGLcore.so [0xf613910]
8: /usr/lib/xorg/modules/extensions/libGLcore.so(_tnl_RenderClippedLine+0x2c)
[0xf63c48c]
9: /usr/lib/xorg/modules/extensions/libGLcore.so [0xf6349d4]
10: /usr/lib/xorg/modules/extensions/libGLcore.so [0xf6374a4]
11: /usr/lib/xorg/modules/extensions/libGLcore.so [0xf63c5b4]
12: /usr/lib/xorg/modules/extensions/libGLcore.so(_tnl_run_pipeline+0x188)
[0xf61d838]
13: /usr/lib/xorg/modules/extensions/libGLcore.so(_tnl_flush_vtx+0x358) [0xf6508dc]
14: /usr/lib/xorg/modules/extensions/libGLcore.so(_tnl_FlushVertices+0x94)
[0xf64bbd4]
15: /usr/lib/xorg/modules/extensions/libGLcore.so(_mesa_LoadMatrixf+0x118)
[0xf5653ec]
16: /usr/lib/xorg/modules/extensions/libglx.so [0xf9db120]
17: /usr/lib/xorg/modules/extensions/libglx.so(__glXRender+0x180) [0xf9cf094]
18: /usr/lib/xorg/modules/extensions/libglx.so [0xf9d5304]
19: X(Dispatch+0x228) [0x100438cc]
20: X(main+0x47c) [0x100255d0]
21: /lib/libc.so.6 [0xfb86758]
22: /lib/libc.so.6 [0xfb869ac]

Fatal server error:
Caught signal 11.  Server aborting