.
Thread 2 (Thread 0xb10ffb40 (LWP 4081)):
#0  0xb7737424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb4d44160 in poll () from /lib/i386-linux-gnu/libc.so.6
No symbol table info available.
#2  0xb490f87b in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
.
Thread 1 (Thread 0xb4159780 (LWP 4034)):
#0  0xb7737424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb4c961cf in raise () from /lib/i386-linux-gnu/libc.so.6
No symbol table info available.
#2  0xb4c99815 in abort () from /lib/i386-linux-gnu/libc.so.6
No symbol table info available.
#3  0xb4cd10da in ?? () from /lib/i386-linux-gnu/libc.so.6
No symbol table info available.
#4  0xb4cdbc22 in ?? () from /lib/i386-linux-gnu/libc.so.6
No symbol table info available.
#5  0xb4e55adf in operator delete(void*) () from /usr/lib/i386-linux-gnu/libstdc++.so.6
No symbol table info available.
#6  0xb53eefca in QNetworkProxyFactory::~QNetworkProxyFactory() () from /usr/lib/i386-linux-gnu/libQtNetwork.so.4
No symbol table info available.
#7  0xb53f1720 in ?? () from /usr/lib/i386-linux-gnu/libQtNetwork.so.4
No symbol table info available.
#8  0xb4c9af41 in ?? () from /lib/i386-linux-gnu/libc.so.6
No symbol table info available.
#9  0xb4c9afcd in exit () from /lib/i386-linux-gnu/libc.so.6
No symbol table info available.
#10 0xb4c814db in __libc_start_main () from /lib/i386-linux-gnu/libc.so.6
No symbol table info available.
#11 0x08052671 in ?? ()
No symbol table info available.