[mythtv] Backend segfaulting repeatedly during recording DVB

[Ed Wildgoose]

>>> ==20552== Thread 20:
>>> ==20552== Syscall param ioctl(generic) contains uninitialised or 
>>> unaddressable byte(s)
>>> ==20552==    at 0x1D06EA09: ioctl (in /lib/libc-2.3.4.so)
>>> ==20552==    by 0x1BD8D44E: DVBRecorder::SetDemuxFilters() 
>>> (dvbrecorder.cpp:346)
>>> ==20552==    by 0x1BD8EDA5: DVBRecorder::StartRecording() 
>>> (dvbrecorder.cpp:532)
>>> ==20552==    by 0x1BD36DA1: SpawnEncode(void*) (tv_rec.cpp:48)
>>> ==20552==  Address 0x1EF63C61 is on thread 20's stack
>>>
> Just realised, is "Address 0x1EF63C61 is on thread 20's stack" normal? 
> I don't recall seeing that on my end. Would go back and re-valgrind my 
> backend.


Perhaps I should have drawn attention to that.  I am not sure who to 
find out more about this var though...?