| Priority | medium |
|---|---|
| Bug ID | 76044 |
| Assignee | dri-devel@lists.freedesktop.org |
| Summary | [i915g+llvm] commit "gallium: Use C11 thread abstractions." breaks memento by conspiracy |
| Severity | normal |
| Classification | Unclassified |
| OS | Linux (All) |
| Reporter | cme3000@gmail.com |
| Hardware | x86 (IA32) |
| Status | NEW |
| Version | git |
| Component | Drivers/Gallium/i915g |
| Product | Mesa |
This commit breaks the intro memento by conspiracy (http://www.pouet.net/prod.php?which=24472). Backtrace with git-3330dec: glretrace: i915_prim_vbuf.c:477: draw_arrays_fallback: Assertion `0' failed. Program received signal SIGABRT, Aborted. 0xb7fde424 in __kernel_vsyscall () (gdb) bt #0 0xb7fde424 in __kernel_vsyscall () #1 0xb7b664d6 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56 #2 0xb7b69853 in __GI_abort () at abort.c:89 #3 0xb7b5f857 in __assert_fail_base (fmt=0xb7c9a554 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0xb7693f8a "0", file=file@entry=0xb775f5b3 "i915_prim_vbuf.c", line=line@entry=477, function=function@entry=0xb775f6ea <__PRETTY_FUNCTION__.9215> "draw_arrays_fallback") at assert.c:92 #4 0xb7b5f907 in __GI___assert_fail (assertion=assertion@entry=0xb7693f8a "0", file=file@entry=0xb775f5b3 "i915_prim_vbuf.c", line=477, function=0xb775f6ea <__PRETTY_FUNCTION__.9215> "draw_arrays_fallback") at assert.c:101 #5 0xb7638d65 in draw_arrays_fallback (nr=<optimized out>, start=<optimized out>, render=<optimized out>) at i915_prim_vbuf.c:477 #6 i915_vbuf_render_draw_arrays (render=0x83a0ff0, start=<optimized out>, nr=4092) at i915_prim_vbuf.c:503 #7 0xb7417cf1 in draw_pt_emit_linear (emit=0x83a1cc0, vert_info=0xbfffeff0, prim_info=0xbffff020) at draw/draw_pt_emit.c:258 #8 0xb75eee7d in emit (prim_info=0xbffff020, vert_info=0xbfffeff0, emit={void (const struct draw_prim_info *, const struct draw_vertex_info *, struct pt_emit *)} 0xb75eedd3 <llvm_middle_end_linear_run+883>) at draw/draw_pt_fetch_shade_pipeline_llvm.c:336 #9 llvm_pipeline_generic (in_prim_info=0xbffff020, fetch_info=0x0, middle=0x83ec5a0) at draw/draw_pt_fetch_shade_pipeline_llvm.c:468 #10 llvm_middle_end_linear_run (middle=0x83ec5a0, start=0, count=4092, prim_flags=0) at draw/draw_pt_fetch_shade_pipeline_llvm.c:532 #11 0xb74207a0 in vsplit_segment_simple_linear (vsplit=0x83d6f90, icount=4092, istart=0, flags=0) at draw/draw_pt_vsplit_tmp.h:240 #12 vsplit_run_linear (frontend=0x83d6f90, start=0, count=4092) at draw/draw_split_tmp.h:60 #13 0xb7416fb7 in draw_pt_arrays (draw=draw@entry=0x840c650, prim=7, start=0, count=count@entry=4092) at draw/draw_pt.c:149 #14 0xb741744a in draw_vbo (draw=0x840c650, info=0xbffff1d0, info@entry=0xbffff2c0) at draw/draw_pt.c:562 #15 0xb762c98e in i915_draw_vbo (pipe=0x83ebc38, info=0xbffff2c0) at i915_context.c:103 #16 0xb73ff258 in cso_draw_vbo (cso=0x8408db0, info=info@entry=0xbffff2c0) at cso_cache/cso_context.c:1400 #17 0xb72d7690 in st_draw_vbo (ctx=0x84b7390, prims=0x84052b4, nr_prims=2, ib=0x0, index_bounds_valid=1 '\001', min_index=0, max_index=4095, tfb_vertcount=0x0, indirect=0x0) at state_tracker/st_draw.c:286 #18 0xb72a238f in vbo_exec_vtx_flush (exec=exec@entry=0x8404f04, keepUnmapped=keepUnmapped@entry=0 '\000') at vbo/vbo_exec_draw.c:409 #19 0xb728d55c in vbo_exec_wrap_buffers (exec=0x8404f04) at vbo/vbo_exec_api.c:89 #20 vbo_exec_vtx_wrap (exec=0x8404f04) at vbo/vbo_exec_api.c:124 #21 0x080b5396 in _glVertex2f(float, float) () #22 0x080f9681 in retrace_glVertex2f(trace::Call&) () #23 0x0806ce8e in retrace::Retracer::retrace(trace::Call&) () #24 0x08063d37 in retrace::retraceCall(trace::Call*) () #25 0x08065994 in retrace::RelayRunner::runLeg(trace::Call*) () #26 0x0806587c in retrace::RelayRunner::runRace() () #27 0x08064053 in retrace::RelayRace::run() () #28 0x0806420f in retrace::mainLoop() () #29 0x08064985 in main () $ git bisect bad fd33a6bcd7f1271e80332379131e82e00fe10586 is the first bad commit commit fd33a6bcd7f1271e80332379131e82e00fe10586 Author: José Fonseca <jfonseca@vmware.com> Date: Fri Apr 26 08:03:33 2013 +0100 gallium: Use C11 thread abstractions. Note that PIPE_ROUTINE now returns an int. Reviewed-by: Brian Paul <brianp@vmware.com> Reviewed-by: Chad Versace <chad.versace@linux.intel.com> :040000 040000 dec5215b27af2e3f703e701e323dd5fdeba072eb a8b06eaa9746db86fa603a657a7b6a5dcd9e3633 M src Reverting this commit on top of master fixes this crash.
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