Re: questions for alsa-devel

[Takashi Iwai <tiwai@suse.de>]

Hi,

At Wed, 02 Oct 2002 15:17:10 +0200,
Thierry Vignaud wrote:
> 
> Takashi Iwai <tiwai@suse.de> writes:
> 
> > > 2) i recently compiled rc3 on a mandrake 8.2 system. everything
> > > went smoothly. when i went to modprobe, i got messages suggesting
> > > to me that there a mismatch between the kernels and the ALSA
> > > modules with respect to symbol versioning. (several missing
> > > symbols, all with versions). i've looked through the archives and
> > > tried google, but i can't see how to fix this or if something else
> > > is going on.
> 
> 1) "make mrproper" should be the first step when recompiling a kernel
>    from the kernel-source package since it has previously be used to
>    compile our various kernel (up, smp, enterprise [smp+highmem],
>    secure, linus (no patches), BOOT [for drakx installer]).
> 
>    most people don't do it and have problems.
> 
> 2) alter the extraversion in main Makefile so that you don't screw up
>    the mandrake kernel if you make something wrong (there's a rescue
>    on the first cd but just avoid troubles)
>    eg: in mdk9.0, we now alter it by default ("EXTRAVERSION = -16mdk"
>    became "EXTRAVERSION = -16mdkcustom")
> 
> these 2 items should prevent versionning problems regarding modules
> 
> 3) you can then steal the mdk kernel config from /boot/config (link on
>    /boot/config-2.4.....)
 
it would be nice to collect such info for each distribution and put
them on alsa's web page.


> 4) note that if you boot with a kernel with alsa-0.9.0, all your alsa
>    apps won't work unless you use them in oss emulation mode.
 
why?  is there any incompatibility?


Takashi


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