Created attachment 82469 [details] output System Environment: -------------------------- Arch: i386 Platform: Sandybridge Libdrm: (master)libdrm-2.4.46-1-gf8f1f6e37ae2c3eb4a9c045ba3294b3ccf926c07 Mesa: (master)b616d0166158872a135153e27c391424fe655117 Xserver: (master)xorg-server-1.14.99.1-133-g59a6d3f1eb03010ab831b32b03706a1d6143c732 Xf86_video_intel:(master)2.21.12 Cairo: (master)2cc353c3dbe01b4d8f65d6de800f2b1d6004a1c2 Libva: (staging)d68c9fb7eebe195d96e113abbf654f782a1450d8 Libva_intel_driver:(staging)1caf179b1425b13cacaa421c688c6df8369668c6 Kernel: (drm-intel-nightly) 8adc236fef2538a8722dcfa92ff388babb475cc7 Bug detailed description: ----------------------------- It randomly aborted on sandybridge with mesa master branch. It doesn't happen on mesa 9.1 branch. It happens 1 in 10 runs. (gdb) bt #0 0xb7fff424 in __kernel_vsyscall () #1 0x4dcd894f in raise () from /lib/libc.so.6 #2 0x4dcda2a3 in abort () from /lib/libc.so.6 #3 0x4dd17ed5 in __libc_message () from /lib/libc.so.6 #4 0x4dd1f8c9 in _int_free () from /lib/libc.so.6 #5 0xb7b5c921 in xcb_get_maximum_request_length (c=0xb6a00ed0) at xcb_out.c:147 #6 0xb7d74e2e in XOpenDisplay (display=0x0) at OpenDis.c:498 #7 0xb7f2ebe2 in piglit_get_glx_display () at /GFX/Test/Piglit/piglit/tests/util/piglit-glx-util.c:43 #8 0x08048abf in thread_func (arg=0x0) at /GFX/Test/Piglit/piglit/tests/glx/glx-multithread-shader-compile.c:59 #9 0x4de6badf in start_thread () from /lib/libpthread.so.0 #10 0x4dd9e44e in clone () from /lib/libc.so.6 Reproduce steps: ---------------------------- 1. xinit 2. ./glx-multithread-shader-compile -auto -fbo
*** This bug has been marked as a duplicate of bug 65534 ***
Verified.Fixed. root@x-sgb4:/GFX/Test/Piglit/piglit/bin# ./glx-multithread-shader-compile -auto -fbo libGL: OpenDriver: trying /opt/X11R7/lib/dri/tls/i965_dri.so libGL: OpenDriver: trying /opt/X11R7/lib/dri/i965_dri.so libGL: OpenDriver: trying /opt/X11R7/lib/dri/tls/i965_dri.so libGL: OpenDriver: trying /opt/X11R7/lib/dri/i965_dri.so PIGLIT: {"result": "pass" }
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