GNU gdb (GDB) 7.2-ubuntu Copyright (C) 2010 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 "x86_64-linux-gnu". For bug reporting instructions, please see: ... Reading symbols from /bin/sh...(no debugging symbols found)...done. (gdb) ruhandle 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 /sh/usr/bin/padsp qsstv.conf  Starting program: /bin/sh /usr/bin/padsp qsstv process 2861 is executing new program: /usr/bin/qsstv [Thread debugging using libthread_db enabled] QComboBox::setCurrentItem: (unnamed) Index 8 out of range QComboBox::setCurrentItem: (unnamed) Index 8 out of range [New Thread 0x7fffebc1e710 (LWP 2865)] Program received signal SIGINT, Interrupt. 0x00007ffff47e6b8d in read () from /lib/libpthread.so.0 (gdb) (gdb) backtrace full #0 0x00007ffff47e6b8d in read () from /lib/libpthread.so.0 No symbol table info available. #1 0x0000000000422f73 in ?? () No symbol table info available. #2 0x000000000043d4ea in ?? () No symbol table info available. #3 0x000000000045c89f in ?? () No symbol table info available. #4 0x00007ffff74bad24 in QObject::activate_signal(QConnectionList*, QUObject*) () from /usr/lib/libqt-mt.so.3 No symbol table info available. #5 0x00007ffff74bcb18 in QObject::activate_signal(int) () from /usr/lib/libqt-mt.so.3 No symbol table info available. #6 0x00007ffff74dabf5 in QTimer::event(QEvent*) () from /usr/lib/libqt-mt.so.3 No symbol table info available. #7 0x00007ffff745c625 in QApplication::internalNotify(QObject*, QEvent*) () from /usr/lib/libqt-mt.so.3 No symbol table info available. #8 0x00007ffff745d3ce in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libqt-mt.so.3 No symbol table info available. #9 0x00007ffff7452f44 in QEventLoop::activateTimers() () from /usr/lib/libqt-mt.so.3 No symbol table info available. #10 0x00007ffff740e069 in QEventLoop::processEvents(unsigned int) () from /usr/lib/libqt-mt.so.3 No symbol table info available. #11 0x00007ffff7473431 in QEventLoop::enterLoop() () from /usr/lib/libqt-mt.so.3 No symbol table info available. #12 0x00007ffff74732e2 in QEventLoop::exec() () from /usr/lib/libqt-mt.so.3 No symbol table info available. #13 0x000000000042c8a8 in ?? () No symbol table info available. #14 0x00007ffff3cd4d8e in __libc_start_main () from /lib/libc.so.6 No symbol table info available. #15 0x0000000000413779 in ?? () No symbol table info available. #16 0x00007fffffffe378 in ?? () No symbol table info available. #17 0x000000000000001c in ?? () No symbol table info available. #18 0x0000000000000001 in ?? () No symbol table info available. #19 0x00007fffffffe63b in ?? () No symbol table info available. #20 0x0000000000000000 in ?? () No symbol table info available. (gdb) info registers rax 0xfffffffffffffe00 -512 rbx 0x896d20 9006368 rcx 0xffffffffffffffff -1 rdx 0x800 2048 rsi 0x7ffff7ef7060 140737353052256 rdi 0x9 9 rbp 0x7ffff7ef7060 0x7ffff7ef7060 rsp 0x7fffffffdb70 0x7fffffffdb70 r8 0x745620 7624224 r9 0x130 304 r10 0x7fffffffd900 140737488345344 r11 0x293 659 r12 0x7fffffffdc40 140737488346176 r13 0x0 0 r14 0x7fffffffdc40 140737488346176 r15 0x7007f0 7342064 rip 0x7ffff47e6b8d 0x7ffff47e6b8d 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) x/16i $pc => 0x7ffff47e6b8d : mov (%rsp),%rdi 0x7ffff47e6b91 : mov %rax,%rdx 0x7ffff47e6b94 : callq 0x7ffff47e6600 <__pthread_disable_asynccancel> 0x7ffff47e6b99 : mov %rdx,%rax 0x7ffff47e6b9c : add $0x8,%rsp 0x7ffff47e6ba0 : cmp $0xfffffffffffff001,%rax 0x7ffff47e6ba6 : jae 0x7ffff47e6ba9 0x7ffff47e6ba8 : retq 0x7ffff47e6ba9 : mov 0x2093d0(%rip),%rcx # 0x7ffff49eff80 0x7ffff47e6bb0 : xor %edx,%edx 0x7ffff47e6bb2 : sub %rax,%rdx 0x7ffff47e6bb5 : mov %edx,%fs:(%rcx) 0x7ffff47e6bb8 : or $0xffffffffffffffff,%rax 0x7ffff47e6bbc : jmp 0x7ffff47e6ba8 0x7ffff47e6bbe: nop 0x7ffff47e6bbf: nop (gdb) thread apply all backtrace Thread 2 (Thread 0x7fffebc1e710 (LWP 2865)): #0 0x00007ffff3d901d3 in poll () from /lib/libc.so.6 #1 0x00007ffff3aa140f in ?? () from /usr/lib/libpulse.so.0 #2 0x00007ffff3a90d76 in pa_mainloop_poll () from /usr/lib/libpulse.so.0 #3 0x00007ffff3a927f9 in pa_mainloop_iterate () from /usr/lib/libpulse.so.0 #4 0x00007ffff3a928b0 in pa_mainloop_run () from /usr/lib/libpulse.so.0 #5 0x00007ffff3aa120b in ?? () from /usr/lib/libpulse.so.0 #6 0x00007ffff385ffb8 in ?? () from /usr/lib/libpulsecommon-0.9.21.so #7 0x00007ffff47df971 in start_thread () from /lib/libpthread.so.0 #8 0x00007ffff3d9c91d in clone () from /lib/libc.so.6 #9 0x0000000000000000 in ?? () Thread 1 (Thread 0x7ffff7fc5760 (LWP 2861)): #0 0x00007ffff47e6b8d in read () from /lib/libpthread.so.0 #1 0x0000000000422f73 in ?? () #2 0x000000000043d4ea in ?? () #3 0x000000000045c89f in ?? () #4 0x00007ffff74bad24 in QObject::activate_signal(QConnectionList*, QUObject*) () from /usr/lib/libqt-mt.so.3 #5 0x00007ffff74bcb18 in QObject::activate_signal(int) () from /usr/lib/libqt-mt.so.3 #6 0x00007ffff74dabf5 in QTimer::event(QEvent*) () from /usr/lib/libqt-mt.so.3 #7 0x00007ffff745c625 in QApplication::internalNotify(QObject*, QEvent*) () from /usr/lib/libqt-mt.so.3 #8 0x00007ffff745d3ce in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libqt-mt.so.3 #9 0x00007ffff7452f44 in QEventLoop::activateTimers() () from /usr/lib/libqt-mt.so.3 #10 0x00007ffff740e069 in QEventLoop::processEvents(unsigned int) () from /usr/lib/libqt-mt.so.3 #11 0x00007ffff7473431 in QEventLoop::enterLoop() () from /usr/lib/libqt-mt.so.3 #12 0x00007ffff74732e2 in QEventLoop::exec() () from /usr/lib/libqt-mt.so.3 #13 0x000000000042c8a8 in ?? () #14 0x00007ffff3cd4d8e in __libc_start_main () from /lib/libc.so.6 #15 0x0000000000413779 in ?? () #16 0x00007fffffffe378 in ?? () #17 0x000000000000001c in ?? () #18 0x0000000000000001 in ?? () #19 0x00007fffffffe63b in ?? () #20 0x0000000000000000 in ?? () (gdb) quit A debugging session is active. Inferior 1 [process 2861] will be killed. Quit anyway? (y or n)