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SubjectRe: 2.6.29-git13: Reported regressions from 2.6.28
Linus Torvalds wrote:
> On Mon, 6 Apr 2009, Rafael J. Wysocki wrote:
>> Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=13018
>> Subject : 2.6.29 on MacBook 2,1 fails to reboot
>> Submitter : Trenton Adams <trenton.d.adams@gmail.com>
>> Date : 2009-03-30 2:04 (8 days old)
>> References : http://marc.info/?l=linux-kernel&m=123837870307249&w=4
>> Handled-By : "Morten P.D. Stevens" <mstevens@win-professional.com>
>
> This went through bisection, but looking at the email log, I tend to
> suspect that maybe Trenton marked some versions good even though they
> weren't (because they got versions numbers from v2.6.27), and didn't
> realize that that messes up bisection in a big way.
>
> The bug _sounds_ like some deadlock due to lock problems - the shutdown
> path often triggers locks that no other path really cares about. And we
> had some lock problems in the sound subsystem that got fixed post-2.6.28,
> for example.
>
> And it looks like the problem is somewhere in sound shutdown:
>
> 12181 delete_module("snd_hda_codec", O_RDONLY|O_EXCL) = -1 EAGAIN (Resource temporarily unavailable) <0.000011>
>
> So commits like 91054598f794fb5d8a0b1e747ff8e2e8fc2115b3 ("ALSA: pcm_oss,
> fix locking typo") might explain it.

Trenton,
could it be the same as this one?
http://bugzilla.kernel.org/show_bug.cgi?id=12321
"System hangs when unloading alsa modules"
http://bugs.gentoo.org/show_bug.cgi?id=253535
"System hangs when unloading alsa modules on Kernel >2.6.28"
--
Stefan Richter
-=====-==--= -=-- --===
http://arcgraph.de/sr/


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