On Wed, Feb 19, 2014 at 9:52 AM, Sebastian Capella <sebastian.cape...@linaro.org> wrote: > During restore, pm_notifier chain are called with > PM_RESTORE_PREPARE. The firmware_class driver handler > fw_pm_notify does not have a handler for this. As a result, > it keeps a reader on the kmod.c umhelper_sem. During > freeze_processes, the call to __usermodehelper_disable tries to > take a write lock on this semaphore and hangs waiting. > > Signed-off-by: Sebastian Capella <sebastian.cape...@linaro.org> > Cc: Russ Dill <russ.d...@ti.com> > Cc: Ming Lei <ming....@canonical.com> > Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
Acked-by: Ming Lei <ming....@canonical.com> Thanks, -- Ming Lei -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
