[mythtv-users] Re: Tearing in playback
William Uther
willu.mailingLists at cse.unsw.edu.au
Fri Jan 7 08:11:28 EST 2005
On 07/01/2005, at 9:51 PM, Tom Hughes wrote:
>> The first line makes sense - I don't have an NVIDIA card :). I'm
>> confused as to why RTC is giving permission denied - I'm running my
>> front end as root. I've got things to look at now - Thanks.
>
> If you're root then that seems odd. The only things I would have
> thought likely to do that are the permissions on /dev/rtc which
> should be irrelevant as root can open any file. The other thing
> would be the dev.rtc.max-user-freq kernel configuration value but
> that only limits non-root users.
>
> Maybe your kernel (or your hardware) has some hard limit on the
> setting of the RTC frequency?
I guess I lied slightly. :) I'm running the front end setuid root.
Maybe the front end is dropping root privs in the relevant thread
before trying to do what it is doing? Hmm, /dev/rtc is rw by group
audio, and user mythtv is in that group.
I'm looking into building an Xorg server with DRM... we'll see how it
goes :)
Will :-}
--
Dr William Uther National ICT Australia
Phone: +61 2 9385 6357 School of Computer Science and
Engineering
Email: willu at cse.unsw.edu.au University of New South Wales
Web: http://www.cse.unsw.edu.au/~willu/ Sydney, Australia
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