#0  0xb5ae5d10 in brasero_medium_get_page_2A_write_speed_desc (
#1  0xb5ae7f6e in brasero_medium_init_real (object=0x9d874e0, 
#2  0xb5ae92be in brasero_medium_probe_thread (self=0x9d874e0)
#3  0xb780c66f in g_thread_create_proxy (data=0x9d2deb8)
#4  0xb74544ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#5  0xb73ce49e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
  [Error: ../sysdeps/unix/sysv/linux/i386/clone.S was not found in source tree]