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

Stefan Richter
2009-04-07T19:23:13Z

Trenton D. Adams wrote:
> On Tue, Apr 7, 2009 at 11:10 AM, Stefan Richter
> <stefanr-MtYdepGKPcBMYopoZt5u/LNAH6kLmebB@public.gmane.org> 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
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