[LAU] [Fwd: Re: RTC/HPET timer permissions]

david gnome at hawaii.rr.com
Tue Nov 27 19:30:14 UTC 2012


On 11/27/2012 03:04 AM, Ralf Mardorf wrote:
> My MUA is broken :(.
>
> -------- Forwarded Message --------
> From: Ralf Mardorf <ralf.mardorf at rocketmail.com>
> To: linux-audio-user at lists.linuxaudio.org
> Subject: Re: [LAU] RTC/HPET timer permissions
> Date: Tue, 27 Nov 2012 13:53:34 +0100
>
> On Tue, 2012-11-27 at 12:54 +0100, Jeremy Jongepier wrote:
>> What do you mean by hardware MIDI? External synths? So when only using
>> soft synths using snd-hrtimer doesn't make any difference at all?
>
> Yes, that's my experience. Perhaps it's tickless vs not tickless
> regarding to IRQ handling of the hardware MIDI or simply the very high
> resolution. A coder might give us some insight.
>
> For MIDI internal Linux I guess there are no layers, excepted of bridges
> between ALSA and JACK that might cause issues. perhaps I'm mistaken, but
> I never noticed an issue for a stable DAW.
>
>>> Usually system timer (default) is the best way to go,
>>> hr timer is better, but can cause issues,
>>
>> What kind of issues?
>
> MIDI jitter.
>
>> linuxmusicians.com Wiki
>
> Take care to keep backwards compatibility, some people e.g. still use 64
> Studio.
>
> Other stuff at the moment is in a transition state. You never know what
> services to start and stop by /etc/init.d/foo and what by the command
> "service".
>
> Better wait with editing until we all are forced to use GNOME3 or Unity
> with hard dependencies to upstart or systemd, sorry I couldn't resist,
> since current Xfce at the moment is a PITA

XFCE works fine here on multiple machines. Unity sucks and GNOME3 is a 
pathetic bloated resource hog that's an insult to a fine name. ;-)

-- 
David
gnome at hawaii.rr.com
authenticity, honesty, community
http://clanjones.org/david/
http://dancing-treefrog.deviantart.com/


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