GNU gdb 6.7.1
Copyright (C) 2007 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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-pc-linux-gnu".
Attaching to process 23447
Reading symbols from /usr/bin/gpg-agent...done.
Using host libthread_db library "/lib/libthread_db.so.1".
Reading symbols from /usr/lib/libgcrypt.so.11...Reading symbols from /usr/lib/debug/usr/lib/libgcrypt.so.11.4.3.debug...done.
done.
Loaded symbols for /usr/lib/libgcrypt.so.11
Reading symbols from /usr/lib/libgpg-error.so.0...done.
Loaded symbols for /usr/lib/libgpg-error.so.0
Reading symbols from /usr/lib/libpth.so.20...done.
Loaded symbols for /usr/lib/libpth.so.20
Reading symbols from /lib/libdl.so.2...done.
Loaded symbols for /lib/libdl.so.2
Reading symbols from /lib/libnsl.so.1...done.
Loaded symbols for /lib/libnsl.so.1
Reading symbols from /lib/libc.so.6...done.
Loaded symbols for /lib/libc.so.6
Reading symbols from /lib/ld-linux.so.2...done.
Loaded symbols for /lib/ld-linux.so.2
0xb7f7e410 in __kernel_vsyscall ()
(gdb) c
Continuing.

Program received signal SIGABRT, Aborted.
0xb7f7e410 in __kernel_vsyscall ()
(gdb) bt
#0  0xb7f7e410 in __kernel_vsyscall ()
#1  0xb7dbec55 in raise () from /lib/libc.so.6
#2  0xb7dc0461 in abort () from /lib/libc.so.6
#3  0xb7df678c in __libc_message () from /lib/libc.so.6
#4  0xb7dfc3e6 in malloc_printerr () from /lib/libc.so.6
#5  0xb7dfe069 in free () from /lib/libc.so.6
#6  0xb7eea52e in __pth_tcb_free () from /usr/lib/libpth.so.20