On Tue, 06 Apr 2010 11:08:22 -0700 (PDT) Ben Gamari <bgamari.foss@xxxxxxxxx> wrote: > > ... > > 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. > > ... > My guess would be that ieee80211 is calling crypto->request_module() under rtnl_lock, and the fact that rtnl_lock is held is causing modprobe->stop_machine to not complete. > P.S. I am now quite certain that I was mistaken in saying that 2.6.33 was > affected. This seems to just be a 2.6.34 issue. OK, thanks, I'll ask Rafael and Maciej to track this as a post-2.6.33 regression, probably wireless. -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
