[Bug 28656] [r300g] xscreensaver hack "endgame" crashes

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=28656

--- Comment #2 from Chris Rankin <rankincj at googlemail.com> 2010-06-22 12:24:20 PDT ---
Created an attachment (id=36422)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=36422)
Output from valgrind

This looks like the important part:

==10496== Invalid write of size 8
==10496==    at 0x5005289: ???
==10496==    by 0x4667387: fetch_pipeline_generic
(draw_pt_fetch_shade_pipeline.c:188)
==10496==    by 0x4667577: fetch_pipeline_run
(draw_pt_fetch_shade_pipeline.c:312)
==10496==    by 0x46692E0: vcache_run_extras (draw_pt_vcache.c:80)
==10496==    by 0x4665EAC: draw_arrays_instanced (draw_pt.c:127)
==10496==    by 0x4666025: draw_arrays (draw_pt.c:310)
==10496==    by 0x4649C20: st_feedback_draw_vbo (st_draw_feedback.c:257)
==10496==    by 0x464430C: st_RasterPos (st_cb_rasterpos.c:254)
==10496==    by 0x4596C37: rasterpos (rastpos.c:63)
==10496==    by 0x4597168: _mesa_RasterPos2f (rastpos.c:76)
==10496==    by 0x80513E5: get_gl_visual (visual-gl.c:65)
==10496==    by 0x8051FD0: make_random_colormap (colors.c:649)
==10496==  Address 0x4d819e0 is not stack'd, malloc'd or (recently) free'd

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