Rene Herman wrote:

On 23-03-08 11:40, Michael Cree wrote:

quoted

I have been able to run some tests.

The es18xx and cmipci drivers work fine on the XP1000.  I base that 
observation on using a variety of software, such as mplayer and mocp, 
through both sound cards, mainly through oss, but also have tried 
alsa, over the last year for es18xx and for the last three or four 
months for cmipci.  (I have noted that the M-Audio Revolution 7.1 
sound card with the ice1724 driver fails to work and causes system 
crashes on the XP1000,
but that's a different discussion).

Was there ever a follow-up in that thread? :

http://mailman.alsa-project.org/pipermail/alsa-devel/2008-March/006513.html

Takashi replied with a suggestion to disable MMAP in the ice1724 driver. 
  I have been preoccupied with other things for the last couple of weeks 
so haven't had a chance to try it out.

There's a patch attached that disables mmap on MIATA. You and Bob seem 
to be experiencing problems of a different nature (or severity at the 
least) but for both of you it would be good to hear what applying this 
and then playing using "aplay -D hw foo.wav" (on the miata systems, 
ofcourse) brings.

I have applied the patch to the PWS600au.  Sound now works.  I can play 
8bit and 16bit sound files through the es1887 and the C-Media CM8738. 
They are both working fine.  I managed to get a 32bit sound file to play 
through the M-Audio Revolution too. (Though another 32bit sound file 
just produces silence through the M-Audio Rev. Haven't been able to 
establish why - the file looks fine to me.)  Repeated playing of files 
doesn't cause any problems.

I can't get sox's play to work (reports no mmap support, which is, of 
course, quite true).  I don't know how to tell sox to use the equivalent 
of alsa's hw device.  So I can't do the test on short files that Bob was 
  performing.

At this stage I've run out of time to test the M-Audio Rev in the XP1000 
and see if the MMAP disable patch help there.

Michael.