On Thu, May 23, 2013 at 12:28 AM, Takashi Iwai <[email protected]> wrote: > When a system goes to reboot/shutdown, it tries to disable the > usermode helper via usermodehelper_disable(). This might be blocked > when a driver tries to load a firmware beforehand and it's stuck by > some reason. For example, dell_rbu driver loads the firmware in > non-hotplug mode and waits for user-space clearing the loading sysfs > flag. If user-space doesn't clear the flag, it waits forever, thus > blocks the reboot, too. > > As a workaround, in this patch, the firmware class driver registers a > reboot notifier so that it can abort all pending f/w bufs before > issuing usermodehelper_disable(). > > Signed-off-by: Takashi Iwai <[email protected]>
Acked-by: Ming Lei <[email protected]> thanks, -- Ming Lei -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
