Hi Holger, >> Have you tried making a debug build and seeing if you get slightly >> better debug information? Just set CFLAGS to -O0 and --enable-debug >> when configuring. > > not yet. I might need to travel this week so it might take until Wed or Fri > to test this. Is ofono using multiple threads? this somehow sounds like a mismatch > of first deregister from the glib event loop and then free... > No, oFono doesn't use threads. Regards, -Denis