https://bugs.freedesktop.org/show_bug.cgi?id=80963
--- Comment #1 from Boyan Ding <[email protected]> --- I built a glxgears with debug symbols and used gdb, I discovered pressing 'a' several times (to pause and restart animation) can effectively trigger the halt, and the stack trace when it is halted is always as below (sorry I used heavily optimized and stripped binaries, I am too lazy to build them myself): #0 0x00007ffff70cd800 in __poll_nocancel () from /usr/lib/libc.so.6 #1 0x00007ffff5626992 in ?? () from /usr/lib/libxcb.so.1 #2 0x00007ffff5627dc9 in xcb_wait_for_special_event () from /usr/lib/libxcb.so.1 #3 0x00007ffff7bb9244 in ?? () from /usr/lib/libGL.so.1 #4 0x00007ffff7bb9845 in ?? () from /usr/lib/libGL.so.1 #5 0x00007ffff7bba235 in ?? () from /usr/lib/libGL.so.1 #6 0x00007ffff36378b7 in ?? () from /usr/lib/xorg/modules/dri/i965_dri.so #7 0x00007ffff3637be5 in ?? () from /usr/lib/xorg/modules/dri/i965_dri.so #8 0x00007ffff362c71d in ?? () from /usr/lib/xorg/modules/dri/i965_dri.so #9 0x00000000004027fa in draw () at gears.c:183 #10 0x00007ffff76c1ac4 in ?? () from /usr/lib/libglut.so.3 #11 0x00007ffff76c5329 in fgEnumWindows () from /usr/lib/libglut.so.3 #12 0x00007ffff76c207d in glutMainLoopEvent () from /usr/lib/libglut.so.3 #13 0x00007ffff76c28e5 in glutMainLoop () from /usr/lib/libglut.so.3 #14 0x00000000004031af in main (argc=1, argv=0x7fffffffeb78) at gears.c:405 line 183 at draw() is: glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); I guess it has something to do with dri3. -- You are receiving this mail because: You are the assignee for the bug.
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