[mythtv-users] Question on configuring rlimits

[Joe Votour]

>> > 2) Is there some sort of check I can do to make sure this worked and
>> > that the frontend is running with realtime scheduling of the video
>> > output thread?
>> >
>> If you run top while watching a recording/LiveTV then the thread should
>> have a priority of RT (i.e. realtime) - you may have to provide top with
>> extra switches to show threads, I use htop which does that by default.
>
> Are you sure about that? I've installed htop on my FC5 system and all
> I can see in the "PRI" column are numbers - mythfrontend is 15.
> Nothing saying "RT". My limits.conf says:
>
> *               -       rtprio          0
> *               -       nice            0
> @mythtv         -       rtprio          50
> @mythtv         -       nice            0
>
> Am I doing something wrong?
>
>> Note that this definitely won't work if your version of PAM isn't new
>> enough - the HOWTO above gives the minimum version.
>
> I have PAM 0.99.5.0.
>
> Regards,
> Phill

I use the same lines in my limits.conf and MythTV tells me that it's
running real-time.  (Well, actually, it doesn't tell me that running as
real-time requires SUID privileges, which is pretty much the same).

The only thing I can think of is what are the username and group you're
running the mythfrontend as?  In order to get it to work (with your
configuration), the group must be mythtv.

-- Joe


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