From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Gamari Date: Wed, 07 Apr 2010 09:00:48 -0700 (PDT) Subject: [ath9k-devel] [REGRESSION, 2.6.34-rc1] Lockup inside of stop_machine() during modprobe aes (was Re: Another AR5008 hang) In-Reply-To: <4bbb7896.48c3f10a.30b9.365b@mx.google.com> References: <4bb0e2da.04c2f10a.32b2.11ae@mx.google.com> <1269928986.3927.5.camel@jlt3.sipsolutions.net> <4bb1f940.47c2f10a.3469.609b@mx.google.com> <4bb235fb.0baa660a.5b56.ffffa9c2@mx.google.com> <4bbb7896.48c3f10a.30b9.365b@mx.google.com> Message-ID: <4bbcac30.9915f10a.0846.ffffe55a@mx.google.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ath9k-devel@lists.ath9k.org On Tue, 06 Apr 2010 11:08:22 -0700 (PDT), Ben Gamari wrote: > Hey all, > > I just built 2.6.34-rc3 with the appropriate fixes for the ACPI thermal lockdep > issues and have attached the dmesg output of the crash below. It appears that > modprobe is freezing with a few locks held while inserting aes.ko. In > particular, it seems that the kernel is deadlocking inside of stop_machine() > while flushing workqueues. > Just in case this wasn't clear, this issue is a regression from 2.6.33 and ought to be added to the appropriate tracking list. Thanks, - Ben