[mythtv-users] Ticket #10414

Raymond Wagner raymond at wagnerrp.com
Sat Mar 17 05:19:31 UTC 2012


On 3/16/2012 17:53, Scott & Nicole Harris wrote:
>   I see that ticket #10414 is marked as "fixed", so I booted in to my 
> laptop's test setup running Mythbuntu 11.10 which has 0.25 installed 
> via Mythbuntu's repos.  I ran the update manager and installed the 
> most current version and tested it out.  I still have no resolution to 
> the issue; when recording more than one thing at a time, the resulting 
> recordings are terrible, if I try to start 3 recordings, the first two 
> immediately fail and stop recording, etc.

The fix committed for that ticket corrected an issue where the recording 
quality loop was causing an excessive amount of context switches, 
resulting in an excessive amount of wasted CPU usage.  The assumption 
was that this high CPU load was causing systems with small UDP receive 
windows to get starved for resources, and start discarding data.  
Following that, it was assumed the lost data issues would be resolved 
when the CPU load was resolved.  Are you seeing normal CPU usage, but 
still experiencing the data loss?
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