Comment 2 for bug 1253723

StacktraceTop:
 sigorset (dest=0x6d2, left=0x6d2, right=0x6) at sigorset.c:30
 __GI_qsort_r (b=0x6d2, n=1746, s=6, cmp=0xffffffffffffffff, arg=0x0) at msort.c:175
 __GI___vfwprintf_chk (fp=<optimized out>, flag=<optimized out>, format=<optimized out>, ap=<optimized out>) at vfwprintf_chk.c:41
 _L_unlock_161 () from /home/darkxst/gnome3-amd64/lib/x86_64-linux-gnu/libc.so.6
 _IO_acquire_lock_clear_flags2_fct (p=<optimized out>) at ../libio/libioP.h:915