[Bug 38856] New: [i915g] SIGSEGV src/gallium/drivers/i915/i915_state.c:511

* [Bug 38856] New: [i915g] SIGSEGV src/gallium/drivers/i915/i915_state.c:511
@ 2011-07-01  1:11 bugzilla-daemon
  2011-07-01  1:16 ` [Bug 38856] " bugzilla-daemon
                   ` (3 more replies)
  0 siblings, 4 replies; 5+ messages in thread
From: bugzilla-daemon @ 2011-07-01  1:11 UTC (permalink / raw)
  To: dri-devel

https://bugs.freedesktop.org/show_bug.cgi?id=38856

           Summary: [i915g] SIGSEGV
                    src/gallium/drivers/i915/i915_state.c:511
           Product: Mesa
           Version: git
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: Drivers/Gallium/i915g
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: vlee@vmware.com

mesa: f8fcaf0215f0434baf13bb5c45545c58f97846b6 (master)

chipset: 945GM (Intel GMA 950)
system architecture: i686
xserver-xorg-video-intel: 2:2.14.0-4ubuntu7.1
libdrm-intel1: 2.4.23-1ubuntu6
kernel version: 2.6.38-8-generic
Linux distribution: Ubuntu 11.04 i386

Run piglit fbo-copyteximage test.

$ ./bin/fbo-copyteximage -auto
Probe at (73,73)
  Expected: 1.000000 0.000000 0.000000
  Observed: 0.000000 0.000000 1.000000
Probe at (200,73)
  Expected: 0.000000 1.000000 0.000000
  Observed: 1.000000 0.000000 0.000000
Probe at (73,200)
  Expected: 0.000000 0.000000 1.000000
  Observed: 1.000000 1.000000 1.000000
Segmentation fault (core dumped)

Core was generated by `./bin/fbo-copyteximage -auto'.
Program terminated with signal 11, Segmentation fault.
#0  __libc_free (mem=0x3f800000) at malloc.c:3709
3709    malloc.c: No such file or directory.
    in malloc.c
(gdb) bt
#0  __libc_free (mem=0x3f800000) at malloc.c:3709
#1  0x01134a96 in i915_delete_fs_state (pipe=0x94343f8, shader=0x94f66d8) at
src/gallium/drivers/i915/i915_state.c:511
#2  0x0115b2d9 in aaline_delete_fs_state (pipe=0x94343f8, fs=0x94f5398) at
src/gallium/auxiliary/draw/draw_pipe_aaline.c:880
#3  0x01188635 in util_blitter_destroy (blitter=0x94bd360) at
src/gallium/auxiliary/util/u_blitter.c:251
#4  0x011310df in i915_destroy (pipe=0x94343f8) at
src/gallium/drivers/i915/i915_context.c:105
#5  0x0196f29f in st_destroy_context (st=0x9500598) at
src/mesa/state_tracker/st_context.c:261
#6  0x018a7ce1 in st_context_destroy (stctxi=0x9500598) at
src/mesa/state_tracker/st_manager.c:651
#7  0x018a34fc in dri_destroy_context (cPriv=0x942df90) at
src/gallium/state_trackers/dri/drm/dri_context.c:135
#8  0x0120ea80 in driDestroyContext (pcp=0x942df90) at
src/mesa/drivers/dri/common/dri_util.c:588
#9  0x002d45a0 in dri2_destroy_context (context=0x942ed50) at dri2_glx.c:129
#10 0x002aecf0 in glx_display_free (priv=0x942cad0) at glxext.c:220
#11 0x002aed7c in __glXCloseDisplay (dpy=0x9422028, codes=0x942cd5c) at
glxext.c:265
#12 0x00583ccb in XCloseDisplay () from /usr/lib/i386-linux-gnu/libX11.so.6
#13 0x003a3693 in fgDeinitialize () at freeglut_init.c:488
#14 0x003a6997 in glutMainLoop () at freeglut_main.c:1533
#15 0x0806b2df in main (argc=1, argv=0xbf9cd2b4) at
piglit/tests/util/piglit-framework.c:116
(gdb) frame 1
#1  0x01134a96 in i915_delete_fs_state (pipe=0x94343f8, shader=0x94f66d8) at
src/gallium/drivers/i915/i915_state.c:511
511          FREE(ifs->program);
(gdb) print ifs->program
$1 = (uint *) 0x3f800000

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