(gdb) run Starting program: /usr/lib/opera/opera [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/libthread_db.so.1". Traceback (most recent call last): File "/usr/share/gdb/auto-load/usr/lib/libgobject-2.0.so.0.3200.3-gdb.py", line 9, in from gobject import register File "/usr/share/glib-2.0/gdb/gobject.py", line 3, in import gdb.backtrace ImportError: No module named backtrace [New Thread 0x7fffee98f700 (LWP 8084)] [New Thread 0x7fffeca4e700 (LWP 8092)] Program received signal SIGSEGV, Segmentation fault. 0x00007ffff580350b in _int_malloc () from /lib/libc.so.6 (gdb) bt #0 0x00007ffff580350b in _int_malloc () from /lib/libc.so.6 #1 0x00007ffff5805b20 in malloc () from /lib/libc.so.6 #2 0x00007fffedc24ec9 in ?? () from /usr/lib/libGL.so.1 #3 0x00007fffe6f0a049 in ?? () from /usr/lib/libnvidia-glcore.so.302.17 #4 0x00007fffe6cfcd7a in ?? () from /usr/lib/libnvidia-glcore.so.302.17 #5 0x00007fffe6fb1d29 in ?? () from /usr/lib/libnvidia-glcore.so.302.17 #6 0x00007fffe6fb3053 in ?? () from /usr/lib/libnvidia-glcore.so.302.17 #7 0x00007fffe6da6811 in ?? () from /usr/lib/libnvidia-glcore.so.302.17 #8 0x00007fffe6da801d in ?? () from /usr/lib/libnvidia-glcore.so.302.17 #9 0x00007fffe6d8507b in ?? () from /usr/lib/libnvidia-glcore.so.302.17 #10 0x0000000000b1f1bd in ?? () #11 0x0000000000b20ca3 in ?? () #12 0x00000000005c863c in ?? () #13 0x00000000005e89bd in ?? () #14 0x0000000000e99d22 in ?? () #15 0x0000000000e99d68 in ?? () #16 0x0000000001261ee6 in ?? () #17 0x0000000001254ffd in ?? () #18 0x0000000000dcd39a in ?? () #19 0x0000000000df4ff8 in ?? () #20 0x0000000000df5e00 in ?? () #21 0x0000000000dfbb89 in ?? () #22 0x0000000000df7af5 in ?? () #23 0x0000000000df8376 in ?? () #24 0x0000000000df7af5 in ?? () #25 0x0000000000df8376 in ?? () #26 0x0000000000df7af5 in ?? () #27 0x0000000000df8376 in ?? () #28 0x0000000000df7af5 in ?? () #29 0x0000000000df7f25 in ?? () #30 0x0000000000dfacc2 in ?? () #31 0x0000000000e31fc4 in ?? () #32 0x0000000000beb4d6 in ?? () #33 0x0000000000beb977 in ?? () #34 0x000000000126b0dd in ?? () #35 0x000000000126b48d in ?? () #36 0x000000000126b639 in ?? () #37 0x000000000126b8a2 in ?? () #38 0x0000000000e39abe in ?? () #39 0x0000000000bc225e in ?? () #40 0x0000000000e3afc5 in ?? () #41 0x0000000000e3c123 in ?? () #42 0x0000000000e3bddc in ?? () #43 0x0000000000e3bddc in ?? () #44 0x0000000000e3bddc in ?? () #45 0x0000000000e3bddc in ?? () #46 0x0000000000e3bddc in ?? () #47 0x0000000000e3bddc in ?? () #48 0x0000000000e3bddc in ?? () #49 0x0000000000e3bddc in ?? () #50 0x0000000000e3bddc in ?? () #51 0x0000000000e3cdea in ?? () #52 0x0000000000bc23bc in ?? () #53 0x0000000000bba376 in ?? () #54 0x0000000000bba4c6 in ?? () #55 0x0000000000bb6fe6 in ?? () #56 0x0000000000bb5799 in ?? () #57 0x00007ffff57aa455 in __libc_start_main () from /lib/libc.so.6 #58 0x0000000000bb54c1 in ?? () #59 0x00007fffffffe288 in ?? () #60 0x0000000000000000 in ?? ()