Re: 2.6.29 on MacBook 2, 1 fails to reboot (was Re: 2.6.29-git13: Reported regressions from 2.6.28)

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Trenton D. Adams wrote:
> On Tue, Apr 7, 2009 at 11:10 AM, Stefan Richter
> <stefanr@xxxxxxxxxxxxxxxxx> wrote:
>>>> http://bugs.gentoo.org/show_bug.cgi?id=253535
>> Interdependencies between ALSA modules have changed.  The Gentoo init
>> scripts attempted to unload them in an order which deadlocked modprobe
>> due to dependencies.  The fix for Gentoo is to just not unload the
>> modules on system shutdown.  My Gentoo/amd64 Mac mini was affected by
>> this too; fixed by userland update.
>>
> 
> While that is interesting, I am not seeing that problem on my Gentoo
> box (the macbook), which is completely up-to-date.  2.6.28 works, and
> 2.6.29 doesn't.  Same init scripts, different kernels.

Note that the respective update changed /etc/conf.d/alsasound (a local
configuration file) to include
UNLOAD_ON_STOP="no"
KILLPROC_ON_STOP="no"
This change by update is not activated by a mere emerge; one needs to
incorporate that change with dispatch-conf or an equivalent method.
(Or simply edit the file to have these variables set to "no".)

> And sure, I could put a comment on the rmmod, in the init script, but
> IMO that would be a hack around a _bug_.  Which is fine for me.  But,
> is it worth leaving the issue in the kernel?

Is it a kernel issue if a script attempts to unload a busy module, then
fails to proceed?  I wouldn't think so.

But more importantly, is this init scripts related bug really what's
happening at your system?  Or do you actually experience an entirely
different bug?
-- 
Stefan Richter
-=====-=-=== -=-= -==-=
http://arcgraph.de/sr/
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