.
Thread 1 (process 2986):
#0  xvd_get_xfconf_card_from_mixer (Inst=0x148d690) at xvd_mixer.c:177
	iter = (GList *) 0x0
#1  0x0000000000402636 in main (argc=<value optimized out>, 
    argv=<value optimized out>) at main.c:141
	tmp_track = <value optimized out>