It seems I have exactly the same problem. The system is also Mandriva
2008 (64 bit). Same alsa libraries. VirtualBox 1.5.4 gives the same
error (I've installed VirtualBox_1.5.4_Linux_amd64.run). Even if I
select OSS driver I get the same error. ALSA works normally, I can run
several instances of mplayer or other software in parallel.

Vladimir



On 19/01/2008, Nathan A. Smith <[EMAIL PROTECTED]> wrote:
>
> Hi,
>
> I am using VBox 1.5.4 and am having issues with getting audio to work.
> Version 1.5.0 worked fine, but after that I have had no luck.  The
> message I get from the logs follows (along with the full log being
> attached).
>
>
> 1192:46:59.705 Audio: Trying driver 'alsa'.
> 1192:46:59.705 Audio: set_record_source ars=0 als=0 (not implemented)
> 1192:46:59.732 ALSA: Failed to apply audio parameters
> 1192:46:59.735 ALSA: Failed to apply audio parameters
> 1192:46:59.739 ALSA: Failed to apply audio parameters
> 1192:46:59.742 ALSA: Failed to apply audio parameters
> 1192:46:59.746 ALSA: Failed to apply audio parameters
> 1192:46:59.749 ALSA: Failed to apply audio parameters
> 1192:46:59.749 AC97: WARNING: Unable to open PCM IN!
> 1192:46:59.749 AC97: WARNING: Unable to open PCM MC!
> 1192:46:59.749 AC97: WARNING: Unable to open PCM OUT!
> 1192:46:59.749 Audio: Using NULL audio driver
>
> I am running Mandriva 2008 with
> lib64alsa2-devel-1.0.15-0.rc1.4mdv2008.0
> lib64alsa2-1.0.15-0.rc1.4mdv2008.0
>
> I know I am missing some info... Please let me know what I need to post
>
> Nasa
>
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>
>
>

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