(gdb) q sk@Schlumpf01:~/cores$ gdb -q /usr/bin/gksu core.2414.2414 Reading symbols from /usr/bin/gksu...(no debugging symbols found)...done. [New LWP 2414] [New LWP 2416] [New LWP 2415] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Core was generated by `/usr/bin/gksu --sync AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA'. Program terminated with signal SIGABRT, Aborted. #0 0x00007f2a3fab71c7 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55 55 ../sysdeps/unix/sysv/linux/raise.c: No such file or directory. [Current thread is 1 (Thread 0x7f2a40d75a00 (LWP 2414))] (gdb) bt #0 0x00007f2a3fab71c7 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55 #1 0x00007f2a3fab8e2a in __GI_abort () at abort.c:89 #2 0x00007f2a3fab00bd in __assert_fail_base (fmt=0x7f2a3fc11f78 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x7f2a3f7f7ae0 "!xcb_xlib_threads_sequence_lost", file=file@entry=0x7f2a3f7f792b "../../src/xcb_io.c", line=line@entry=274, function=function@entry=0x7f2a3f7f7de8 "poll_for_event") at assert.c:92 #3 0x00007f2a3fab0172 in __GI___assert_fail (assertion=0x7f2a3f7f7ae0 "!xcb_xlib_threads_sequence_lost", file=0x7f2a3f7f792b "../../src/xcb_io.c", line=274, function=0x7f2a3f7f7de8 "poll_for_event") at assert.c:101 #4 0x00007f2a3f785199 in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6 #5 0x00007f2a3f78524b in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6 #6 0x00007f2a3f78555d in _XEventsQueued () from /usr/lib/x86_64-linux-gnu/libX11.so.6 #7 0x00007f2a3f776f47 in XPending () from /usr/lib/x86_64-linux-gnu/libX11.so.6 #8 0x00007f2a3efdfd95 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0 #9 0x00007f2a3fe95c21 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #10 0x00007f2a3fe96190 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #11 0x00007f2a3fe96572 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #12 0x00007f2a40467ee3 in gtk_dialog_run () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 #13 0x000000000040389a in ?? () #14 0x0000000000402edc in ?? () #15 0x00007f2a3faa2ac0 in __libc_start_main (main=0x402a40, argc=3, argv=0x7ffe1c29a118, init=, fini=, rtld_fini=, stack_end=0x7ffe1c29a108) at libc-start.c:289 #16 0x000000000040331e in ?? () (gdb) info threads Id Target Id Frame 3 Thread 0x7f2a36af3700 (LWP 2415) 0x00007f2a3fb7db1d in poll () at ../sysdeps/unix/syscall-template.S:81 2 Thread 0x7f2a362f2700 (LWP 2416) 0x00007f2a3fb7db1d in poll () at ../sysdeps/unix/syscall-template.S:81 * 1 Thread 0x7f2a40d75a00 (LWP 2414) 0x00007f2a3fab71c7 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55 (gdb) i r rax 0x0 0 rbx 0x7f2a40e12000 139819453849600 rcx 0x7f2a3fab71c7 139819433554375 rdx 0x6 6 rsi 0x96e 2414 rdi 0x96e 2414 rbp 0x7f2a3fc11f78 0x7f2a3fc11f78 rsp 0x7ffe1c299ad8 0x7ffe1c299ad8 r8 0x14533c0 21312448 r9 0x0 0 r10 0x8 8 r11 0x202 514 r12 0x7f2a3f7f7ae0 139819430673120 r13 0x7f2a3f7f7de8 139819430673896 r14 0x0 0 r15 0x7f2a3efdfd30 139819422186800 rip 0x7f2a3fab71c7 0x7f2a3fab71c7 <__GI_raise+55> eflags 0x202 [ IF ] cs 0x33 51 ss 0x2b 43 ds 0x0 0 es 0x0 0 fs 0x0 0 gs 0x0 0 (gdb) i f Stack level 0, frame at 0x7ffe1c299ae0: rip = 0x7f2a3fab71c7 in __GI_raise (../sysdeps/unix/sysv/linux/raise.c:55); saved rip = 0x7f2a3fab8e2a called by frame at 0x7ffe1c299c10 source language c. Arglist at 0x7ffe1c299ad0, args: sig=sig@entry=6 Locals at 0x7ffe1c299ad0, Previous frame's sp is 0x7ffe1c299ae0 Saved registers: rip at 0x7ffe1c299ad8 (gdb) t 2 [Switching to thread 2 (Thread 0x7f2a362f2700 (LWP 2416))] #0 0x00007f2a3fb7db1d in poll () at ../sysdeps/unix/syscall-template.S:81 81 ../sysdeps/unix/syscall-template.S: No such file or directory. (gdb) bt #0 0x00007f2a3fb7db1d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007f2a3fe961ec in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f2a3fe96572 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f2a3d7014b6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 #4 0x00007f2a3febc965 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f2a3cd686aa in start_thread (arg=0x7f2a362f2700) at pthread_create.c:333 #6 0x00007f2a3fb8913d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 (gdb) t 3 [Switching to thread 3 (Thread 0x7f2a36af3700 (LWP 2415))] #0 0x00007f2a3fb7db1d in poll () at ../sysdeps/unix/syscall-template.S:81 81 in ../sysdeps/unix/syscall-template.S (gdb) bt #0 0x00007f2a3fb7db1d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007f2a3fe961ec in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f2a3fe962fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f2a3fe96339 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f2a3febc965 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f2a3cd686aa in start_thread (arg=0x7f2a36af3700) at pthread_create.c:333 #6 0x00007f2a3fb8913d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 (gdb) i r rax 0xfffffffffffffdfc -516 rbx 0x15948a0 22628512 rcx 0x7f2a3fb7db1d 139819434367773 rdx 0xffffffff 4294967295 rsi 0x1 1 rdi 0x7f2a300008e0 139819170662624 rbp 0x1 0x1 rsp 0x7f2a36af2bb0 0x7f2a36af2bb0 r8 0x1 1 r9 0x1 1 r10 0x1468f60 21401440 r11 0x293 659 r12 0x7f2a300008e0 139819170662624 r13 0xffffffff 4294967295 r14 0x7f2a3fea50e0 139819437674720 r15 0x1 1 rip 0x7f2a3fb7db1d 0x7f2a3fb7db1d eflags 0x293 [ CF AF SF IF ] cs 0x33 51 ss 0x2b 43 ds 0x0 0 es 0x0 0 fs 0x0 0 gs 0x0 0 (gdb) t 2 [Switching to thread 2 (Thread 0x7f2a362f2700 (LWP 2416))] #0 0x00007f2a3fb7db1d in poll () at ../sysdeps/unix/syscall-template.S:81 81 in ../sysdeps/unix/syscall-template.S (gdb) i r rax 0xfffffffffffffdfc -516 rbx 0x147b9b0 21477808 rcx 0x7f2a3fb7db1d 139819434367773 rdx 0xffffffff 4294967295 rsi 0x2 2 rdi 0x7f2a280010c0 139819036446912 rbp 0x2 0x2 rsp 0x7f2a362f1ba0 0x7f2a362f1ba0 r8 0x2 2 r9 0x1 1 r10 0x146a860 21407840 r11 0x293 659 r12 0x7f2a280010c0 139819036446912 r13 0xffffffff 4294967295 r14 0x7f2a3fea50e0 139819437674720 r15 0x2 2 rip 0x7f2a3fb7db1d 0x7f2a3fb7db1d eflags 0x293 [ CF AF SF IF ] cs 0x33 51 ss 0x2b 43 ds 0x0 0 es 0x0 0 fs 0x0 0 gs 0x0 0 (gdb)