Re: [LAU] hdsp emergency

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To: <mott@...>
Cc: <linux-audio-user@...>
Date: Saturday, July 28, 2012 - 3:48 pm

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On Sat, Jul 28, 2012 at 11:30 AM, Iain Mott wrote:

> Hi list - i have an installation that's been running for a week and has

this is confusing and misleading and just incredibly dumb. but, moving on
....

> Sat Jul 28 12:27:20 2012: JACK server starting in non-realtime mode

not too smart, but okay.

> Sat Jul 28 12:27:20 2012: [1m [31mERROR: Failed to acquire device

ok, so device acquisition logic is just completely optional ... fine.
moving on.

> Sat Jul 28 12:27:20 2012: creating alsa driver ... hw:DSP|hw:DSP|4096|2|

and there we have the "root" of your problem. first thing to try is to
start varying the parameters and see if anything makes a different (period
size being the obvious one, but also sample rate).

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On Sat, Jul 28, 2012 at 11:30 AM, Iain M=
ott <mott@reverberant.com> wrote:
Hi list - i have an installation that's been running for a week and has=

suddenly failed.

Uses ubuntu 11.10 and a hdsp/multiface setup. What is happening is Jack
is failing to start

There is a "D-BUS: JACK server could not be started" error when Q=
jackCtlthis is confusing and misleading and just =
incredibly dumb. but, moving on ....=A0

Sat Jul 28 12:27:20 2012: JACK server starting in non-realtime modenot too smart, but okay.=A0

Sat Jul 28 12:27:20 2012: =A0[1m [31mERROR: Failed to acquire device
name : Audio2 error : Input/output error [0m
Sat Jul 28 12:27:20 2012: =A0[1m [31mERROR: Audio device hw:DSP cannot be
acquired, trying to open it anyway... [0mok, so d=
evice acquisition logic is just completely optional ... fine. moving on.=A0

Sat Jul 28 12:27:20 2012: creating alsa driver ... hw:DSP|hw:DSP|4096|2|
96000|0|0|nomon|swmeter|-|32bit
Sat Jul 28 12:27:20 2012: configuring for 96000Hz, period =3D 4096 frames
(42.7 ms), buffer =3D 2 periods
Sat Jul 28 12:27:20 2012: ALSA: final selected sample format for
capture: 32bit integer little-endian
Sat Jul 28 12:27:20 2012: ALSA: use 2 periods for capture
Sat Jul 28 12:27:20 2012: =A0[1m [31mERROR: ALSA: cannot set hardware
parameters for capture [0mand there we have the &=
quot;root" of your problem. first thing to try is to start varying the=
parameters and see if anything makes a different (period size being the ob=
vious one, but also sample rate).

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Messages in current thread:
[LAU] hdsp emergency, Iain Mott, (Sat Jul 28, 3:30 pm)
Re: [LAU] hdsp emergency, Paul Davis, (Sat Jul 28, 3:48 pm)
Re: [LAU] hdsp emergency, Iain Mott, (Sat Jul 28, 4:32 pm)
Re: [LAU] hdsp emergency, Harry van Haaren, (Sun Jul 29, 5:06 pm)
Re: [LAU] hdsp emergency, Ralf Mardorf, (Sat Jul 28, 3:46 pm)
Re: [LAU] hdsp emergency, Ralf Mardorf, (Sat Jul 28, 3:40 pm)