From: bugtrack@alsa-project.org
To: alsa-devel@alsa-project.org
Subject: [ALSA - driver 0000809]: asfxload + aconnect called before dsp used causes dsp to be locked
Date: Wed, 12 Jan 2005 18:50:30 +0100 [thread overview]
Message-ID: <ef65de31783cc2b925ee2e8eb4081908@bugtrack.alsa-project.org> (raw)
A NOTE has been added to this issue.
======================================================================
<https://bugtrack.alsa-project.org/alsa-bug/view.php?id=809>
======================================================================
Reported By: vinyvat
Assigned To:
======================================================================
Project: ALSA - driver
Issue ID: 809
Category: PCI - emu10k1
Reproducibility: always
Severity: major
Priority: normal
Status: new
Distribution: Debian testing
Kernel Version: 2.6.8.1
======================================================================
Date Submitted: 01-12-2005 09:34 CET
Last Modified: 01-12-2005 18:50 CET
======================================================================
Summary: asfxload + aconnect called before dsp used causes
dsp to be locked
Description:
PS: This bug is present in the alsa version in stock kernel 2.6.8.1 up to
1.0.8-rc2.
For convienience I like to have my wavetable loaded and midi connections
setup during bootup so I can use my midi keyboard by just turning on the
computer.
This worked OK with stock kernel 2.6.3 ( and whatever alsa version came
with it ).
Recently upgraded to stock 2.6.8.1 which had the modprobe
snd-emu10k1-synth freeze bug, but was able to work around this by
launching my wavetable loading script post the modprobe. Play back from my
keyboard worked great.
This is when I began to notice apps that accessed the dsp reporting that
they were locked out ( and did not produce any sound ). First would be
arts when kde started up, and then any dvd playing app ( ogle, mplayer,
xine, all of them setup to use alsa ).
Strangely though, alsaplayer still worked despite the fact that the other
apps didn't - could it be using some other way of plugin to the emu10k1
mixer ?
Have tried upgrading to alsa-driver-1.0.7 ( which didn't play any
wavetable sounds at all - strange ), then to alsa-driver-1.0.8-rc2 ( which
does play wavetable sounds ) but none of these fixes this problem.
If I change the order of things - have artsd start up, start a dvd
playback, and then call asfxload + aconnect, then everything is mixed and
sounds great.
======================================================================
----------------------------------------------------------------------
tiwai - 01-12-05 15:16
----------------------------------------------------------------------
Please elaborate the procedure causing the problem.
Which command sequences did the crash?
----------------------------------------------------------------------
vinyvat - 01-12-05 18:50
----------------------------------------------------------------------
Done a little more testing, and this bug is dependant on the size of the
SF2. the One I put in the "reproduction" notes is huge -
https://bugtrack.alsa-project.org/alsa-bug/view.php?id=31#127 Mb whereas
if I use a smaller one the bug does not happen.
Will update with exact reproduction steps when I get from work.
Issue History
Date Modified Username Field Change
======================================================================
01-12-05 09:34 vinyvat New Issue
01-12-05 09:34 vinyvat Distribution => Debian testing
01-12-05 09:34 vinyvat Kernel Version => 2.6.8.1
01-12-05 15:16 tiwai Note Added: 0003171
01-12-05 18:50 vinyvat Note Added: 0003175
======================================================================
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next reply other threads:[~2005-01-12 17:50 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-12 17:50 bugtrack [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-12-30 22:04 [ALSA - driver 0000809]: asfxload + aconnect called before dsp used causes dsp to be locked bugtrack
2005-09-14 14:19 bugtrack
2005-01-13 17:58 bugtrack
2005-01-13 11:41 bugtrack
2005-01-13 5:42 bugtrack
2005-01-12 14:16 bugtrack
2005-01-12 8:34 bugtrack
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