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@xxxxxxxxx> >> 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@xxxxxxxxxxxxxxxxxxxx> > > 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/ -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html