Comment 3 for bug 1397130

[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `libvirtd -v'.
Program terminated with signal SIGABRT, Aborted.
#0 0x00007fa266277d27 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
56 ../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) bt
#0 0x00007fa266277d27 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1 0x00007fa266279418 in __GI_abort () at abort.c:89
#2 0x00007fa263fde309 in nih_free () from /lib/x86_64-linux-gnu/libnih.so.1
#3 0x00007fa26688f862 in cgm_dbus_connect () at /build/buildd/libvirt-1.2.8/./src/util/cgmanager.c:78
#4 0x00007fa266887d5c in virCgroupAvailable () at /build/buildd/libvirt-1.2.8/./src/util/vircgroup.c:135
#5 0x00007fa256db5e85 in qemuConnectCgroup (driver=<optimized out>, vm=0x7fa25028d540) at /build/buildd/libvirt-1.2.8/./src/qemu/qemu_cgroup.c:776
#6 0x00007fa256dca447 in qemuProcessReconnect (opaque=0x7d3e, opaque@entry=0x7fa25032de10) at /build/buildd/libvirt-1.2.8/./src/qemu/qemu_process.c:3322
#7 0x00007fa2668d994e in virThreadHelper (data=<optimized out>) at /build/buildd/libvirt-1.2.8/./src/util/virthread.c:197
#8 0x00007fa26660e0a5 in start_thread (arg=0x7fa245ffb700) at pthread_create.c:309
#9 0x00007fa26633b84d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111