[mythtv-users] pixelation when using nfs for playback

Michael T. Dean mtdean at thirdcontact.com
Tue Apr 26 19:35:12 UTC 2011

On 04/26/2011 02:09 PM, Steven Adeff wrote:
> On Mon, Apr 25, 2011 at 9:42 PM,<f-myth-users at media.mit.edu>  wrote:
>>     >  Date: Mon, 25 Apr 2011 21:22:57 -0400
>>     >  From: Steven Adeff<adeffs.mythtv at gmail.com>
>>     >  running Ubuntu 10.04.2 LTS, if I have my recording drives mounted by
>>     >  nfs I get pixelation on playback, especially of things currently
>>     >  recording.
>>     >  mythbackend:/media/myth/6/        /media/myth/6   nfs     user,bg,rw,rsize=32768,wsize=32768,tcp,intr,nfsvers=3,actimeo=0,async,nobootwait
>>     >  is one of my mount options possibly causing this?
>> I'm suspicious of that actimeo=0; it can cause massive slowdowns in
>> one of the four cases of which is client vs server vs whether you're
>> pushing or pulling.  (I can forward details if anyone cares.)
>> Try actimeo=1 instead.  You'll be within 1 second of up-to-date,
>> without the problems.  No idea if that's actually your problem
>> here, but worth trying.
> indeed, worth trying, thanks, I'll update as to how it turns out.

Better might be to get rid of (or move to some place MythTV doesn't use) 
the NFS share.

Using actimeo=1 may cause problems with Live TV.


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