Thread 19 "tvh:epggrabi" received signal SIGSEGV, Segmentation fault.
[Switching to LWP 17575]
0x00007f3ec045ae86 in ?? ()
(gdb) bt full
#0  0x00007f3ec045ae86 in ?? ()
No symbol table info available.
#1  0x00007f3ec0455fe1 in ?? ()
No symbol table info available.
#2  0x00007f3ec0403ea4 in ?? ()
No symbol table info available.
#3  0x00007f3ec03ebdc3 in ?? ()
No symbol table info available.
#4  0x00007f3ebcaca2c4 in ?? () from /lib/libpthread.so.0
No symbol table info available.
#5  0x00007f3ebc00ca1d in clone () from /lib/libc.so.6
No symbol table info available.