[mythtv-users] pixelation when using nfs for playback

Steven Adeff adeffs.mythtv at gmail.com
Tue Apr 26 22:44:15 UTC 2011

On Tue, Apr 26, 2011 at 3:35 PM, Michael T. Dean
<mtdean at thirdcontact.com> wrote:
> 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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