[Bug 15384] Breezy Preview 1: snd-cmi8330 ALSA driver broken

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Ubuntu | linux





------- Additional Comments From crimsun at fungus.sh.nu  2005-09-17 01:15 UTC -------
(In reply to comment #6)
> This does not seem like a viable solution.  On this computer I use Windows and
> several other Linux distros that work well with my current BIOS settings,
> including sound support.  It seems like a deeper issue with Ubuntu's kernel and
> alsa-base scripts configuration.

It is not possible to account for every combination of hardware. We're certainly
open to ideas for tackling problematic hardware, however.

First, however, we need to know whether disabling PnP OS in BIOS _and_ passing
isapnp=0 to modprobe resolves your issue.

> I know a very little bit about the internals
> of ALSA and Debian, so I don't mind sifting through available system resources
> and manually modprobing things.  But the average user should not be asked to
> adjust his BIOS when not necessary, and ideally his hardware should be detected
> and configured.  MEPIS somehow does this with most ISAPnP cards.  If
> autodetection scripts don't work, alsaconf should be available as a second chance.

The changelog for alsa-utils lists the rationale for alsaconf's removal.

> In past versions of Ubuntu, I have found that the "alsa-base" files (of which
> there are 3 or 4) need to be heavily edited in order for the modprobe to work. 

You should modify only one file, /etc/modprobe.d/alsa-base.

> In addition, it is necessary to figure out the correct values for the modprobe
> parameters.  In these areas I am totally lost.  Could we please try to approach
> this bug from that angle?   Thanks very much.

Certainly this is an issue (a metaissue, if you will) that reaches beyond just
Ubuntu to the kernel and userspace utilities. The most straight-forward solution
may be to fix the bugs in alsaconf that caused its removal from the alsa-utils
package.

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