Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `./build.linux/tvheadend -C -c /home/mark/tmp/tvheadendr/config --logfile /home/'.
Program terminated with signal 11, Segmentation fault.
#0  0x0000000000419e6e in subscription_reschedule () at src/subscriptions.c:231
231           tvhtrace("subscription", "find instance for %s weight %d", s->ths_service->s_nicename, s->ths_weight);