Launchpad has imported 3 comments from the remote bug at https://bugs.freedesktop.org/show_bug.cgi?id=61724.
If you reply to an imported comment from within Launchpad, your comment will be sent to the remote bug automatically. Read more about Launchpad's inter-bugtracker facilities at https://help.launchpad.net/InterBugTracking. ------------------------------------------------------------------------ On 2013-03-03T05:03:54+00:00 Mike Gratton wrote: Multiple apps are getting a segfault in brw_update_renderbuffer_surface, including VLC, Compiz and Gazebo (which uses OGRE). Ubuntu bug is reported here with a number of stack traces: https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/947544 I'll attach a complete, more recent one in a moment, but the head looks like this: #0 brw_update_renderbuffer_surface (brw=0x403eb30, rb=0x4510500, unit=0) at brw_wm_surface_state.c:1109 #1 0x00007fffdc0e9ab0 in brw_update_renderbuffer_surfaces (brw=0x403eb30) at brw_wm_surface_state.c:1205 #2 0x00007fffdc0d3b02 in brw_upload_state (brw=brw@entry=0x403eb30) at brw_state_upload.c:498 #3 0x00007fffdc0c11a7 in brw_try_draw_prims (max_index=4294967295, min_index=4294952344, ib=<optimised out>, nr_prims=<optimised out>, prim=0x7fffffffc580, arrays=<optimised out>, ctx=0x403eb30) at brw_draw.c:493 #4 brw_draw_prims (ctx=0x403eb30, prim=0x7fffffffc580, nr_prims=<optimised out>, ib=<optimised out>, index_bounds_valid=<optimised out>, min_index=4294967295, max_index=4294967295, tfb_vertcount=0x0) at brw_draw.c:589 #5 0x00007fffd73a43da in vbo_handle_primitive_restart (ctx=<optimised out>, prim=<optimised out>, nr_prims=<optimised out>, ib=<optimised out>, index_bounds_valid=<optimised out>, min_index=<optimised out>, max_index=4294967295) at ../../../../../src/mesa/vbo/vbo_exec_array.c:570 #6 0x00007fffd73a53b4 in vbo_validated_drawrangeelements (ctx=ctx@entry=0x403eb30, mode=mode@entry=4, index_bounds_valid=index_bounds_valid@entry=0 '\000', start=start@entry=4294967295, end=end@entry=4294967295, count=count@entry=39690, type=type@entry=5123, indices=indices@entry=0x0, basevertex=basevertex@entry=0, numInstances=numInstances@entry=1, baseInstance=baseInstance@entry=0) at ../../../../../src/mesa/vbo/vbo_exec_array.c:867 #7 0x00007fffd73a5724 in vbo_exec_DrawElements (mode=4, count=39690, type=5123, indices=0x0) at ../../../../../src/mesa/vbo/vbo_exec_array.c:997 #8 0x00007fffd4c05124 in Ogre::GLRenderSystem::_render(Ogre::RenderOperation const&) () from /usr/lib/x86_64-linux-gnu/OGRE-1.7.4/RenderSystem_GL.so Reply at: https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/947544/comments/6 ------------------------------------------------------------------------ On 2013-03-03T05:10:45+00:00 Mike Gratton wrote: Created attachment 75816 gazebo client stack trace Stack trace from Gazebo simulator client crash. Occurs every 2 or 2 program executions. Ubuntu 13.04: linux 3.5.0-25-generic mesa 9.0-0ubuntu1 libdrm 2.4.39-0ubuntu1 Reply at: https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/947544/comments/7 ------------------------------------------------------------------------ On 2013-03-03T05:14:02+00:00 Mike Gratton wrote: This is on Sandybridge, an i7-2620M/HD3000. Reply at: https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/947544/comments/8 ** Changed in: mesa Status: Unknown => Confirmed ** Changed in: mesa Importance: Unknown => High -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/947544 Title: mesa SIGSEGV in brw_update_renderbuffer_surface() To manage notifications about this bug go to: https://bugs.launchpad.net/mesa/+bug/947544/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
