Version-Release number of selected component: xscreensaver-gl-extras-5.21-9.fc19 Additional info: reporter: libreport-2.1.5 backtrace_rating: 4 cmdline: sierpinski3d -window-id 81788980 -delay 20000 -speed 150 -depth 5 crash_function: brw_blorp_clear_color executable: /usr/libexec/xscreensaver/sierpinski3d kernel: 3.9.9-302.fc19.x86_64 runlevel: N 5 uid: 2830 xsession_errors: Truncated backtrace: Thread no. 1 (6 frames) #0 brw_blorp_clear_color at brw_blorp_clear.cpp:283 #1 brw_clear at brw_clear.c:237 #2 draw at ../../../hacks/glx/sierpinski3d.c:278 #3 draw_gasket at ../../../hacks/glx/sierpinski3d.c:545 #4 xlockmore_draw at ../../../hacks/xlockmore.c:497 #5 run_screenhack_table at ../../hacks/screenhack.c:553
Created attachment 773371 [details] File: backtrace
Created attachment 773372 [details] File: cgroup
Created attachment 773373 [details] File: core_backtrace
Created attachment 773374 [details] File: dso_list
Created attachment 773376 [details] File: environ
Created attachment 773377 [details] File: limits
Created attachment 773378 [details] File: maps
Created attachment 773379 [details] File: open_fds
Created attachment 773380 [details] File: proc_pid_status
Created attachment 773381 [details] File: var_log_messages
Once asking mesa maintainer for help.
This bug disappeared for me in xscreensaver-gl-extras-5.21-10.fc19.x86_64. Thanks!
*** This bug has been marked as a duplicate of bug 1053612 ***