Re: [LAD] PCI MIDI jitter - comparison Ubuntu (bad) and Suse (might be ok)

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To: Arnout Engelen <lad@...>
Cc: Linux Audio Developers <linux-audio-dev@...>
Date: Sunday, July 11, 2010 - 3:31 pm

On Sun, 2010-07-11 at 17:21 +0200, Arnout Engelen wrote:

There was a time out message by the alsa-midi-latency-test. It started
and than it asked, if there still is a connection, while there still was
a connection.

>

Yes, I assume that an audio distro won't start with ondemand by default,
I'll run hwinfo to see the scaling next time. For Ubuntu Studio there
are a lot of issues that are nwe to me, no xorg.conf, no menu.lst etc..

> - The kernel options for your suse install has the options 'SMP PREEMPT RT',

I didn't noticed that, you're right. The Suse kernel is self build, the
Ubuntu Studio kernel is from the repositories.

> The latter looks like a good candidate for explaining the difference. Could

Thank you, a good idea, before I'll build a kernel by myself, it would
take around 50 minutes, I'll install this kernel from the repository.

To be continued.

Ralf

>

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Re: [LAD] PCI MIDI jitter - comparison Ubuntu (bad) and Suse..., Ralf Mardorf, (Sun Jul 11, 3:31 pm)