Messages in this thread | | | Date | Sun, 11 Apr 2010 09:47:05 -0700 (PDT) | From | Ben Gamari <> | Subject | Re: [REGRESSION] Lockup inside of stop_machine() during modprobe aes (was Re: Another AR5008 hang) |
| |
On Tue, 06 Apr 2010 11:08:22 -0700 (PDT), Ben Gamari <bgamari.foss@gmail.com> 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. > I can confirm that modprobing aes explicitly also results in the stop_machine() deadlock, so this doesn't appear to be an interaction with ath9k or the mac80211 subsystem.
Furthermore, if I disable CONFIG_CRYPTO_AES_X86_64 (I'm on a Core Duo platform), aes loads as expected and things work as they should.
Any ideas? I'm rather disturbed that this regression has still not had a single reply while -rc4 is so near.
- Ben
| |