https://bugs.freedesktop.org/show_bug.cgi?id=75279 --- Comment #28 from Frederic Bezies --- Some progress with debug packages. But I think I'll need xf86-video-nouveau debug package too. At least, here is the log : (gdb) bt full #0 0x00007f364503a337 in sched_yield () from /usr/lib/libc.so.6 No symbol table info available. #1 0x00007f3632d0e411 in nouveau_fence_wait (fence=0x7f3630760550) at nouveau_fence.c:212 screen = 0x7f3639e76c00 spins = 329500464 #2 0x00007f3632d9e115 in nv50_screen_destroy (pscreen=0x7f3639e76c00) at nv50/nv50_screen.c:286 No locals. #3 0x00007f3632c019c1 in vl_screen_destroy (vscreen=0x7f3639e5c980) at ../../../../src/gallium/auxiliary/vl/vl_winsys_dri.c:414 scrn = 0x7f3639e5c980 #4 0x00007f3632d069c1 in vlVdpDeviceDestroy (device=1) at device.c:174 dev = 0x7f3639eaf2d0 #5 0x00007f3637a252a8 in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so No symbol table info available. #6 0x00007f36376871b5 in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so No symbol table info available. #7 0x00007f3637688000 in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so No symbol table info available. #8 0x00007f3637c167c8 in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so No symbol table info available. #9 0x00007f3637c1cf7d in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so No symbol table info available. #10 0x00007f3637c1ea6b in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so No symbol table info available. #11 0x00007f3637c1ed8a in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so No symbol table info available. #12 0x00007f3637880601 in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so No symbol table info available. #13 0x00007f36379e5d31 in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so No symbol table info available. #14 0x00007f36379e60b5 in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so No symbol table info available. #15 0x00007f36379e4efd in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so No symbol table info available. #16 0x00007f36379edae2 in ?? () from /usr/lib/mozilla/plugins/libflashplayer.so No symbol table info available. #17 0x00007f364751c347 in ?? () from /home/fred/Applications/firefox/libxul.so No symbol table info available. #18 0x00007f3646d94720 in ?? () from /home/fred/Applications/firefox/libxul.so No symbol table info available. #19 0x00007f3646d955bd in ?? () from /home/fred/Applications/firefox/libxul.so No symbol table info available. #20 0x00007f3646caff3c in ?? () from /home/fred/Applications/firefox/libxul.so No symbol table info available. #21 0x00007f3646cb12da in ?? () from /home/fred/Applications/firefox/libxul.so No symbol table info available. Cannot access memory at address 0x7fff90a93308 -- You are receiving this mail because: You are the assignee for the bug.