Program received signal SIGSEGV, Segmentation fault. [Switching to Thread -1267669312 (LWP 15767)] 0xb092e175 in SSL_read () from /usr/lib/libssl.so (gdb) bt #0 0xb092e175 in SSL_read () from /usr/lib/libssl.so #1 0xb7d27657 in ?? () from /usr/lib/libQtNetwork.so.4 #2 0x00000000 in ?? () (gdb) thread apply all Please specify a command following the thread ID list (gdb) thread apply all bt full Thread 5 (Thread -1315542128 (LWP 15798)): #0 0xb7f087f2 in ?? () from /lib/ld-linux.so.2 No symbol table info available. #1 0xb7d60676 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 No symbol table info available. #2 0xb7db229d in QWaitCondition::wait () from /usr/lib/libQtCore.so.4 No symbol table info available. #3 0xb7d0f8ad in ?? () from /usr/lib/libQtNetwork.so.4 No symbol table info available. #4 0x0873acb8 in ?? () No symbol table info available. #5 0x0873acb4 in ?? () No symbol table info available. #6 0xffffffff in ?? () No symbol table info available. #7 0x00000004 in ?? () No symbol table info available. #8 0x00000010 in ?? () No symbol table info available. ---Type to continue, or q to quit--- #9 0xb7eece20 in ?? () from /usr/lib/libQtCore.so.4 No symbol table info available. #10 0x01966368 in ?? () No symbol table info available. #11 0x0873a038 in ?? () No symbol table info available. #12 0x00000002 in ?? () No symbol table info available. #13 0x0873acb5 in ?? () No symbol table info available. #14 0xb082bfc0 in ?? () No symbol table info available. #15 0x0873a038 in ?? () No symbol table info available. #16 0x00000004 in ?? () No symbol table info available. #17 0xb7eece20 in ?? () from /usr/lib/libQtCore.so.4 No symbol table info available. #18 0xb19663c8 in ?? () No symbol table info available. #19 0xb7db1eb5 in ?? () from /usr/lib/libQtCore.so.4 ---Type to continue, or q to quit--- No symbol table info available. #20 0x0873aca8 in ?? () No symbol table info available. #21 0x00000000 in ?? () No symbol table info available. Thread 1 (Thread -1267669312 (LWP 15767)): #0 0xb092e175 in SSL_read () from /usr/lib/libssl.so No symbol table info available. #1 0xb7d27657 in ?? () from /usr/lib/libQtNetwork.so.4 No symbol table info available. #2 0x00000000 in ?? ()