| Summary: |
seg fault when call glReadPixel |
| Product: |
Mesa
|
Reporter: |
WuNian <nian.wu> |
| Component: |
Drivers/DRI/i915 | Assignee: |
Default DRI bug account <dri-devel> |
| Status: |
VERIFIED
FIXED
|
QA Contact: |
|
| Severity: |
critical
|
|
|
| Priority: |
high
|
CC: |
airlied
|
| Version: |
git | |
|
| Hardware: |
x86 (IA32) | |
|
| OS: |
Linux (All) | |
|
| Whiteboard: |
|
|
i915 platform:
|
|
i915 features:
|
|
|---|
| Attachments: |
test case
|
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Created attachment 15994 [details] test case When call glReadPixel, it seg fault with bt info: #0 0xb7aba36e in i915_emit_state (intel=0x8058728) at i915_vtbl.c:325 #1 0xb7ac787c in intelRenderStart (ctx=0x8058728) at intel_tris.c:917 #2 0xb7aa2de1 in intel_run_render (ctx=0x8058728, stage=0x809b834) at intel_render.c:217 #3 0xb7b66ebf in _tnl_run_pipeline (ctx=0x8058728) at tnl/t_pipeline.c:158 #4 0xb7ac78e9 in intelRunPipeline (ctx=0x8058728) at intel_tris.c:906 #5 0xb7b67428 in _tnl_draw_prims (ctx=0x8058728, arrays=0x8089d40, prim=0x808889c, nr_prims=1, ib=0x0, min_index=0, max_index=3) at tnl/t_draw.c:402 #6 0xb7b5f9e1 in vbo_exec_vtx_flush (exec=0x8088778) at vbo/vbo_exec_draw.c:215 #7 0xb7b5b208 in vbo_exec_FlushVertices (ctx=0x8058728, flags=1) at vbo/vbo_exec_api.c:700 #8 0xb7bff8e1 in _mesa_ReadPixels (x=50, y=50, width=1, height=1, format=6407, type=5126, pixels=0xbffdb148) at main/drawpix.c:294 #9 0x0804894c in test () at mustpass2.c:31 #10 0x080489c3 in display () at mustpass2.c:44 #11 0xb7f0d757 in processWindowWorkList (window=0x804f448) at glut_event.c:1306 #12 0xb7f0e3b8 in glutMainLoop () at glut_event.c:1353 #13 0x08048a3f in main (argc=1, argv=0xbffe5034) at testcase.c:56