http://bugs.freedesktop.org/show_bug.cgi?id=16210
Summary: seg fault when mipmap is used
Product: Mesa
Version: CVS
Platform: x86 (IA32)
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/DRI/i915
AssignedTo: [email protected]
ReportedBy: [EMAIL PROTECTED]
CC: [EMAIL PROTECTED]
Running test case of bug #10219 (attachment #9027), it will seg fault when draw
primitives. The case uses mipmap and sets texture lod.
The backtrace info:
(gdb) bt
#0 intel_finalize_mipmap_tree (intel=0x8075750, unit=0)
at intel_tex_validate.c:146
#1 0xb7a2e672 in i915_update_tex_unit (intel=0x8075750, unit=0, ss3=32)
at i915_texstate.c:138
#2 0xb7a2eb3f in i915UpdateTextureState (intel=0x8075750)
at i915_texstate.c:352
#3 0xb7a469ef in intelRunPipeline (ctx=0x8075750) at intel_tris.c:895
#4 0xb7ae7757 in _tnl_draw_prims (ctx=0x8075750, arrays=0x80a6708,
prim=0x80a5264, nr_prims=1, ib=0x0, min_index=0, max_index=3)
at tnl/t_draw.c:402
#5 0xb7adfe0a in vbo_exec_vtx_flush (exec=0x80a5140)
at vbo/vbo_exec_draw.c:215
#6 0xb7adbef0 in vbo_exec_FlushVertices (ctx=0x8075750, flags=1)
at vbo/vbo_exec_api.c:700
#7 0xb7b814e2 in _mesa_ReadPixels (x=0, y=0, width=64, height=64,
format=6407, type=5126, pixels=0x8059a20) at main/drawpix.c:294
#8 0x080492c3 in display () at texture_lod_10219.c:145
#9 0xb7e92865 in processWindowWorkList (window=0x806c470) at glut_event.c:1306
#10 0xb7e934d1 in glutMainLoop () at glut_event.c:1353
#11 0x0804938f in main (argc=Cannot access memory at address 0x6
) at texture_lod_10219.c:162
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