Just to add some info, opening any image with gimp seems to be the quickest way to reproduce the problem for me:
Core was generated by `/usr/bin/X :0 vt7 -nolisten tcp -auth /var/lib/xdm/authdir/authfiles/A:0-t2sOh2'. Program terminated with signal 6, Aborted. #0 0x00007fe9038ee405 in *__GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64 64 ../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory. in ../nptl/sysdeps/unix/sysv/linux/raise.c (gdb) bt #0 0x00007fe9038ee405 in *__GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64 #1 0x00007fe9038f1680 in *__GI_abort () at abort.c:92 #2 0x00007fe9038e75b1 in *__GI___assert_fail (assertion=0x7fe8fe956804 "key->initialized", file=<optimized out>, line=116, function=0x7fe8fe956bc0 "dixGetPrivateAddr") at assert.c:81 #3 0x00007fe8fe9505b6 in ?? () from /usr/lib/xorg/modules/libfb.so #4 0x00007fe8fe9559ef in ?? () from /usr/lib/xorg/modules/libfb.so #5 0x00007fe8fe955dc0 in fbTrapezoids () from /usr/lib/xorg/modules/libfb.so #6 0x00007fe8ff00341c in ?? () from /usr/lib/xorg/modules/drivers/nvidia_drv.so #7 0x00000000004f3a81 in ?? () #8 0x0000000000437ae9 in ?? () #9 0x0000000000426eaa in ?? () #10 0x00007fe9038daead in __libc_start_main (main=<optimized out>, argc=<optimized out>, ubp_av=<optimized out>, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffa64766b8) at libc-start.c:228 #11 0x000000000042719d in _start () -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org