(gdb) run
Starting program: /home/leif/rockbox/build/rockboxui 
[Thread debugging using libthread_db enabled]
[New Thread 0x7ffff3ab9700 (LWP 15410)]
[New Thread 0x7ffff32b8700 (LWP 15411)]

Program received signal SIGUSR1, User defined signal 1.
0x00007ffff7153f54 in do_sigsuspend (set=<value optimized out>)
    at ../sysdeps/unix/sysv/linux/sigsuspend.c:63
63	../sysdeps/unix/sysv/linux/sigsuspend.c: No such file or directory.
	in ../sysdeps/unix/sysv/linux/sigsuspend.c