thanks for the pointers. The setup of rt kernel is one of the main reasons
I'm using planetCCRMA version (where nando manages to take care of these
issues letting normal users access rt priorities).
I am still baffled by the fact that I get synch errors from pd even when
not doing any audio (no patch open. and these are not only the initial
errors when launching pd). And also the fact that I can get
good audio playback reliably from snd (soundeditor). Doesn't that suggest
that the problem is not with jack/firewire but perhaps with pd?
Oded
https://help.ubuntu.com/community/UbuntuStudioPreparation#line-127
Roman
On Thu, 2010-03-04 at 23:52 +0100, Derek Holzer wrote:
I used to have to run Pd + JACK as -rt under sudo or root on Linux to
get good performance. Maybe there's another way with permissions and
groups and such, it's been a while since I fooled with it.
D.
On 3/4/10 11:41 PM, Marco Donnarumma wrote:
(I re-send this'cause before I left the wrong subject in the email)
Hi Oded,
sorry if it sounds obvious, but have you tried starting Pd with the flag -rt?
the flag will set Pd to get an actual real-time priority.
M
Message: 3Date: Thu, 4 Mar 2010 11:13:24 -0800 (PST)
From: Oded Ben-Tal <[email protected]
<mailto:[email protected]>>
Subject: Re: [PD] audio breaking
To: Ricardo Lameiro <[email protected]
<mailto:[email protected]>>
Cc: [email protected] <mailto:[email protected]>
Message-ID:
<[email protected]
<mailto:[email protected]>>
Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed
> I thinj he is using realtime kernel, as he is running jack with
the -R flag (reatime)
> otherwise jack wouldn even start.
Yes, I'm using the rt-kernel from planet CCRMA.
--
Marco Donnarumma aka TheSAD
Independent New Media Arts Professional, Performer, Teacher - Edinburgh, UK
PORTFOLIO: http://marcodonnarumma.com
LAB: http://www.thesaddj.com | http://cntrl.sourceforge.net |
http://www.flxer.net
EVENT: http://www.liveperformersmeeting.net
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