[mythtv-users] Are there any throttling features in Mythtv?

[Paul Gardiner]

David Brodbeck wrote:
> Mike Perkins wrote:
>> Sunday evening, we sat down to watch a film I'd recorded just before 
>> Christmas, 2 hours long. This was about 7:45 pm. An hour and a half 
>> later, the whole system hung. There was not the slightest sign that 
>> anything was wrong up to the point it froze.
>>
>> After some investigation of the front end[1] I discovered that the 
>> back end had hung. This was because at 8:55 pm the back end had begun 
>> three simultaneous recordings on three DVB-T tuners. Apparently my 
>> back end couldn't cope with reading and writing four streams 
>> simultaneously[2].
> 
> Odd that it would hang instead of stuttering.  Are you sure this is an 
> I/O problem, and not an overheating, memory, or power supply issue? Have 
> you tried duplicating the hang to make sure it wasn't just coincidence?  
> Usually running out of disk I/O bandwidth won't hang a whole system -- 
> if it did just doing a file copy would be enough to kill it.

Exactly the same thought occurred to me when I read of the problem.
Definitely sounds like a hardware or driver problem. Linux will trudge
on almost whatever you throw at it.