[Pkg-oss4-maintainers] Bug#557902: Bug#557902: oss4-base: disables ALSA without asking

[Karel Hruška]

Hi all!


I have read this bug report after some trouble with OSS4 an its 
uninstallation in Jessie an I found a problem related to the last note 
in this message:


On Wed, 25 Nov 2009 15:33:28 -0600 Romain Beauxis <toots at rastageeks.org> 
wrote:

 > Hi !

 >

 > Le mardi 24 novembre 2009 23:33:53, Norbert Preining a écrit :

 > > installing oss4-base disables ALSA without asking and without

 > > any interference, and in addition does not provide automatically

 > > some for the running kernel.

 > >

 > > In addition, there is NO documentation about what to do and how

 > > to configure this package or achive some swithcing result.

 > >

 > > Could you please put a bit of work into that.

 >

 > Thanks for your report.

 >

 > Believe it or not, we put some work in this package.

 >

 > Providing default kernel modules could be an interesting option and 
we should

 > consider it at some point.

 >

 > Concerning the desactivation of ALSA, it can be made optional. 
However, I

 > believe that a user that installs oss4 is well aware that this needs to

 > disable ALSA, so I don't think that the fact that the package 
disables ALSA is

 > confusing to him.

 >

 > Additionally, if you want to re-enable ALSA, you may simply remove 
the oss4-

 > core package.

 >

 >

 > Romain

 >

 >

 >


If you install oss4-base and remove it, it leaves following files in 
/etc/modprobe.d:


oss4-base.conf
oss4-base_noALSA.conf
oss4-base_noOSS3.conf


These files blacklist a lot of kernel modules including e.g. 
snd-hda-intel, which prevents ALSA from working again. (my case) These 
files have to be removed manually, then everything works like before.


I am not sure if this is a standard behaviour, but I thought it would be 
good to point it out.


Thank you for your great work!
Karel Hruska


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