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Old 09-23-2009, 09:56 PM   #1
pccor
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Registered: Mar 2007
Posts: 12

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Sound system dies when starting rosegarden.


Platform: SUSE 11.1, Kernel 2.6.27.29-0.1-pae and Gnome 2.24.1.

Whenever I start rosegarden my sound system dies and I get the following error from rosegarden's sequencer status details:

----------------------

JackDriver::initialiseAudio - JACK sample rate = 48000Hz, buffer size = 1024
JackDriver::initialiseAudio - creating disk thread
JackDriver::initialiseAudio - found 8 JACK physical outputs
JackDriver::initialiseAudio - connecting from "rosegarden:master out L" to "systemlayback_1"
JackDriver::initialiseAudio - connecting from "rosegarden:master out R" to "systemlayback_2"
JackDriver::initialiseAudio - found 2 JACK physical inputs
JackDriver::initialiseAudio - connecting from "system:capture_1" to "rosegarden:record in 1 L"
JackDriver::initialiseAudio - connecting from "system:capture_2" to "rosegarden:record in 1 R"
JackDriver::initialiseAudio - initialised JACK audio subsystem

ALSA Client information:

14,0 - (Midi Through, Midi Through Port-0) (DUPLEX) [ctype 2, ptype 655362, cap 99]

Creating device 0 in Play mode for connection 14:0 Midi Through Port-0 (duplex) (not connecting)
Default device name for this device is MIDI output system device
Creating device 1 in Record mode for connection 14:0 Midi Through Port-0 (duplex) (not connecting)
Default device name for this device is MIDI input system device
Using low-resolution system timer, sending a warning
Current timer set to "system timer" with timer checks
WARNING: using system timer with only 250Hz resolution!
AlsaDriver::initialiseMidi - initialised MIDI subsystem

Using low-resolution system timer, sending a warning
Current timer set to "system timer" with timer checks
WARNING: using system timer with only 250Hz resolution!

ALSA Client information:

14,0 - (Midi Through, Midi Through Port-0) (DUPLEX) [ctype 2, ptype 655362, cap 99]
129,0 - (FLUID Synth (11683), Synth input port (11683:0)) (WRITE ONLY) [ctype 1, ptype 1048578, cap 66]

New ports:
129:0 Synth input port (11683:0) (write)
(Reusing play device 0)

ALSA Client information:

14,0 - (Midi Through, Midi Through Port-0) (DUPLEX) [ctype 2, ptype 655362, cap 99]
129,0 - (FLUID Synth (11683), Synth input port (11683:0)) (WRITE ONLY) [ctype 1, ptype 1048578, cap 66]

---------------------------

In the stderr output there is a line indicating:
"rosegarden: could not connect to socket
rosegarden: No such file or directory"

When I test the sound system in YAST I find that the system has died and I need to restart it. This necessitates a restart of rosegarden which (again) kills the sound system. Any help would be appreciated.

Thanks,

pcor.
 
Old 09-24-2009, 05:41 PM   #2
Shadow_7
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Your kernel is not low latency(1000Hz), which is problematic for realtime media applications. You probably lack sequencer support as well which makes midi operations next to impossible. YaST probably gets confused because you've switched from a sound system based on jackd instead of artsd. "mplayer -ao jack sound.wav" and other ways to use a jack based system. Which doesn't really mean that it's broke, it's just different.
 
Old 09-24-2009, 07:02 PM   #3
pccor
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Registered: Mar 2007
Posts: 12

Original Poster
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Thanks for the help but I am none the wiser here. "mplayer -ao jack sound.wav" works if I start jackd beforehand. And I forgot to say that when I start rosegarden I use the following script:

#!/bin/sh
jackd -d alsa -d hw:0 &
qsynth &
/opt/kde3/bin/rosegarden

but still no sound from rosegarden. Also, after running mplayer as above the sound dies in Yast and I get the following error:

YaST got signal 11 at YCP file /usr/share/YaST2/clients/sw_single.ycp:595
/sbin/yast2: line 440: 7542 Segmentation fault $ybindir/y2base $module "$@" "$SELECTED_GUI" $Y2_GEOMETRY $Y2UI_ARGS

I have installed arts (Was I supposed to do that?). I have used rosegarden successfully before with the same kernel running KDE. So where do I go from here?
 
Old 09-26-2009, 08:36 PM   #4
pccor
LQ Newbie
 
Registered: Mar 2007
Posts: 12

Original Poster
Rep: Reputation: 0
Sound system dies when starting rosegarden.

Quote:
Originally Posted by Shadow_7 View Post
Your kernel is not low latency(1000Hz), which is problematic for realtime media applications. You probably lack sequencer support as well which makes midi operations next to impossible. YaST probably gets confused because you've switched from a sound system based on jackd instead of artsd. "mplayer -ao jack sound.wav" and other ways to use a jack based system. Which doesn't really mean that it's broke, it's just different.
Thanks for the help but I am none the wiser here. "mplayer -ao jack sound.wav" works if I start jackd beforehand. And I forgot to say that when I start rosegarden I use the following script:

#!/bin/sh
jackd -d alsa -d hw:0 &
qsynth &
/opt/kde3/bin/rosegarden

but still no sound from rosegarden. Also, after running mplayer as above the sound dies in Yast and I get the following error:

YaST got signal 11 at YCP file /usr/share/YaST2/clients/sw_single.ycp:595
/sbin/yast2: line 440: 7542 Segmentation fault $ybindir/y2base $module "$@" "$SELECTED_GUI" $Y2_GEOMETRY $Y2UI_ARGS

I have installed arts (Was I supposed to do that?). I have used rosegarden successfully before with the same kernel running KDE. So where do I go from here?
 
  


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