GNU gdb (Ubuntu/Linaro 7.4-0ubuntu1) 7.4 Copyright (C) 2012 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "i686-linux-gnu". For bug reporting instructions, please see: ... Reading symbols from /usr/bin/cheese...(no debugging symbols found)...done. (gdb) handle SIG33 pass nostop noprint Signal Stop Print Pass to program Description SIG33 No No Yes Real-time event 33 (gdb) set pagination 0 (gdb) run Starting program: /usr/bin/cheese [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1". [New Thread 0xb399bb40 (LWP 4589)] [New Thread 0xb2fffb40 (LWP 4590)] Gtk-WARNING **: Attempting to add a widget with type GtkImage to a GtkToggleButton, but as a GtkBin subclass a GtkToggleButton can only contain one widget at a time; it already contains a widget of type GtkLabel Gtk-WARNING **: Attempting to add a widget with type GtkImage to a GtkToggleButton, but as a GtkBin subclass a GtkToggleButton can only contain one widget at a time; it already contains a widget of type GtkLabel Gtk-WARNING **: Attempting to add a widget with type GtkImage to a GtkToggleButton, but as a GtkBin subclass a GtkToggleButton can only contain one widget at a time; it already contains a widget of type GtkLabel Gtk-WARNING **: Attempting to add a widget with type GtkImage to a GtkButton, but as a GtkBin subclass a GtkButton can only contain one widget at a time; it already contains a widget of type GtkLabel Gtk-WARNING **: Attempting to add a widget with type GtkGrid to a GtkToggleButton, but as a GtkBin subclass a GtkToggleButton can only contain one widget at a time; it already contains a widget of type GtkLabel Gtk-WARNING **: Attempting to add a widget with type GtkImage to a GtkButton, but as a GtkBin subclass a GtkButton can only contain one widget at a time; it already contains a widget of type GtkLabel [New Thread 0xb0e42b40 (LWP 4591)] ** CRITICAL **: cheese_main_window_finish_countdown_callback: assertion `self != NULL' failed [New Thread 0xadd4ab40 (LWP 4592)] [New Thread 0xad549b40 (LWP 4593)] [New Thread 0xb02bbb40 (LWP 4597)] [New Thread 0xac9d7b40 (LWP 4598)] Program received signal SIGINT, Interrupt. 0xb4df6471 in ?? () from /usr/lib/fglrx/dri/fglrx_dri.so (gdb) backtrace full #0 0xb4df6471 in ?? () from /usr/lib/fglrx/dri/fglrx_dri.so No symbol table info available. #1 0xb74ca500 in ?? () from /lib/i386-linux-gnu/libc.so.6 No symbol table info available. Backtrace stopped: previous frame inner to this frame (corrupt stack?) (gdb) info registers eax 0x842a528 138585384 ecx 0xbfffebd8 -1073746984 edx 0x0 0 ebx 0x842a528 138585384 esp 0xbfffebb0 0xbfffebb0 ebp 0x8345a08 0x8345a08 esi 0xb6848840 -1232828352 edi 0x842a6d8 138585816 eip 0xb4df6471 0xb4df6471 eflags 0x200202 [ IF ID ] cs 0x73 115 ss 0x7b 123 ds 0x7b 123 es 0x7b 123 fs 0x0 0 gs 0x33 51 (gdb) x/16i $pc => 0xb4df6471: sub $0x100,%esp 0xb4df6477: mov %eax,%ebp 0xb4df6479: lea 0xc1c0(%ebp),%edx 0xb4df647f: push %edx 0xb4df6480: pushl 0xcf28(%ebp) 0xb4df6486: call 0xb4bad4aa 0xb4df648b: add $0x8,%esp 0xb4df648e: test %eax,%eax 0xb4df6490: jne 0xb4df649a 0xb4df6492: add $0x100,%esp 0xb4df6498: pop %ebp 0xb4df6499: ret 0xb4df649a: orl $0x2,0xd65c(%ebp) 0xb4df64a1: mov %ebx,0x98(%esp) 0xb4df64a8: xor %eax,%eax 0xb4df64aa: addl $0x1,0xcf08(%ebp) (gdb) thread apply all backtrace Thread 8 (Thread 0xac9d7b40 (LWP 4598)): #0 0xb7fdd422 in __kernel_vsyscall () #1 0xb74d896b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0 #2 0xb74d9264 in pthread_cond_wait@GLIBC_2.0 () from /lib/i386-linux-gnu/libpthread.so.0 #3 0xb5c075b9 in ?? () from /usr/lib/fglrx/dri/fglrx_dri.so #4 0xb5bf1548 in ?? () from /usr/lib/fglrx/dri/fglrx_dri.so #5 0xb5bf12b6 in ?? () from /usr/lib/fglrx/dri/fglrx_dri.so #6 0xb5c0910d in ?? () from /usr/lib/fglrx/dri/fglrx_dri.so #7 0xb74d4d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0 #8 0xb741376e in clone () from /lib/i386-linux-gnu/libc.so.6 Thread 7 (Thread 0xb02bbb40 (LWP 4597)): #0 0xb7fdd424 in __kernel_vsyscall () #1 0xb74d8d13 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0 #2 0xb74d92fc in pthread_cond_timedwait@GLIBC_2.0 () from /lib/i386-linux-gnu/libpthread.so.0 #3 0xb5c0873b in ?? () from /usr/lib/fglrx/dri/fglrx_dri.so #4 0xb74d4d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0 #5 0xb741376e in clone () from /lib/i386-linux-gnu/libc.so.6 Thread 6 (Thread 0xad549b40 (LWP 4593)): #0 0xb7fdd422 in __kernel_vsyscall () #1 0xb74d8d13 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0 #2 0xb756f6e0 in g_cond_wait_until () from /lib/i386-linux-gnu/libglib-2.0.so.0 #3 0xb7503119 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 #4 0xb750393e in g_async_queue_timeout_pop () from /lib/i386-linux-gnu/libglib-2.0.so.0 #5 0xb7553d1c in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 #6 0xb7553453 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 #7 0xb74d4d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0 #8 0xb741376e in clone () from /lib/i386-linux-gnu/libc.so.6 Thread 5 (Thread 0xadd4ab40 (LWP 4592)): #0 0xb7fdd424 in __kernel_vsyscall () #1 0xb7405140 in ppoll () from /lib/i386-linux-gnu/libc.so.6 #2 0xb7f2aa19 in gst_poll_wait () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0 #3 0xb03573a7 in ?? () from /usr/lib/i386-linux-gnu/gstreamer-0.10/libgstvideo4linux2.so #4 0xb034fa50 in ?? () from /usr/lib/i386-linux-gnu/gstreamer-0.10/libgstvideo4linux2.so #5 0xb034febb in ?? () from /usr/lib/i386-linux-gnu/gstreamer-0.10/libgstvideo4linux2.so #6 0xb6c3e1f0 in ?? () from /usr/lib/i386-linux-gnu/libgstbase-0.10.so.0 #7 0xb6c24cfe in ?? () from /usr/lib/i386-linux-gnu/libgstbase-0.10.so.0 #8 0xb6c26827 in ?? () from /usr/lib/i386-linux-gnu/libgstbase-0.10.so.0 #9 0xb7f47158 in ?? () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0 #10 0xb7f48308 in ?? () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0 #11 0xb7553de7 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 #12 0xb7553453 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 #13 0xb74d4d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0 #14 0xb741376e in clone () from /lib/i386-linux-gnu/libc.so.6 Thread 4 (Thread 0xb0e42b40 (LWP 4591)): #0 0xb7fdd422 in __kernel_vsyscall () #1 0xb74d896b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0 #2 0xb756f5a6 in g_cond_wait () from /lib/i386-linux-gnu/libglib-2.0.so.0 #3 0xb00c722a in ?? () from /usr/lib/i386-linux-gnu/gstreamer-0.10/libgstcoreelements.so #4 0xb7f47158 in ?? () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0 #5 0xb7f48308 in ?? () from /usr/lib/i386-linux-gnu/libgstreamer-0.10.so.0 #6 0xb7553de7 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 #7 0xb7553453 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 #8 0xb74d4d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0 #9 0xb741376e in clone () from /lib/i386-linux-gnu/libc.so.6 Thread 3 (Thread 0xb2fffb40 (LWP 4590)): #0 0xb7fdd424 in __kernel_vsyscall () #1 0xb7405020 in poll () from /lib/i386-linux-gnu/libc.so.6 #2 0xb753db4b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0 #3 0xb753011e in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 #4 0xb75305db in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0 #5 0xb65baf34 in ?? () from /usr/lib/i386-linux-gnu/gio/modules/libdconfsettings.so #6 0xb7553453 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 #7 0xb74d4d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0 #8 0xb741376e in clone () from /lib/i386-linux-gnu/libc.so.6 Thread 2 (Thread 0xb399bb40 (LWP 4589)): #0 0xb7fdd424 in __kernel_vsyscall () #1 0xb7405020 in poll () from /lib/i386-linux-gnu/libc.so.6 #2 0xb753db4b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0 #3 0xb753011e in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 #4 0xb75305db in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0 #5 0xb772876a in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0 #6 0xb7553453 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 #7 0xb74d4d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0 #8 0xb741376e in clone () from /lib/i386-linux-gnu/libc.so.6 Thread 1 (Thread 0xb6848840 (LWP 4586)): #0 0xb4df6471 in ?? () from /usr/lib/fglrx/dri/fglrx_dri.so #1 0xb74ca500 in ?? () from /lib/i386-linux-gnu/libc.so.6 Backtrace stopped: previous frame inner to this frame (corrupt stack?) (gdb) quit A debugging session is active. Inferior 1 [process 4586] will be killed. Quit anyway? (y or n)