From: "Tom Browne" <tbrowne@tbrowne.demon.co.uk>
To: alsa-devel@lists.sourceforge.net
Subject: snd_pcm_writei not returning (?!?)
Date: Wed, 31 Mar 2004 16:33:21 +0100 [thread overview]
Message-ID: <02a601c41735$801cc090$f93ca851@burpxp> (raw)
In-Reply-To: 200403311238.i2VCcD33015334@dhin.linuxaudiosystems.com
Hi all,
I am having serious trouble with ALSA using the poll method as shown in the
pcm.c test app...
Under certain conditions (yet to be established properly - it doesn't happen
every single time) with this ICE1712 card (DSP24), snd_pcm_writei doesn't
just block... it never comes back. I thought it may be a bug in the old
version of ALSA (0.9.8) so updated the drivers and libs to latest, which had
no effect on the problem at all.
A bit more thorough checking reveals that the problem only happens at 88200
and 96000 sampling rates... not at 22050, 24000, 44100 or 48000. That's a
bit worrying...
It's only started to happen regularly (used to be _very_ rare) since I
upgraded the development machine from an Intel 815, Celeron 1.0G to a
SiS651, Celeron 2.0G setup.
The kernel is 2.4.22+ll+supermount if that offers any clues... APIC is
turned off, as in the past I couldn't get any sound at all in Linux with it
enabled...
Cheers,
Tom Browne.
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next prev parent reply other threads:[~2004-03-31 15:33 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-31 11:59 No mixer elems found Vincenzo Di Salvo
2004-03-31 12:38 ` Paul Davis
2004-03-31 15:33 ` Tom Browne [this message]
2004-04-05 14:25 ` snd_pcm_writei not returning (?!?) Tom Browne
2004-04-05 15:49 ` Clemens Ladisch
2004-04-05 16:16 ` Tom Browne
2004-04-06 7:48 ` Clemens Ladisch
2004-04-06 9:07 ` Tom Browne
2004-04-06 9:15 ` Jaroslav Kysela
2004-04-06 9:58 ` Tom Browne
2004-04-06 10:15 ` Jaroslav Kysela
2004-04-06 10:44 ` Tom Browne
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