On Tuesday 11 September 2012 19:11:08 Aaron Lu wrote: > On Tue, Sep 11, 2012 at 11:30:35AM +0200, Oliver Neukum wrote: > > On Tuesday 11 September 2012 17:24:13 Aaron Lu wrote: > > Yes, but because the whole system had been suspended. > > In that case you can have a locked door. > > By locked, do you mean the door is closed or the door is locked by the > sr_lock_door function with param lock set to 1? sr_lock_door() > > That need not be the case. What happens if the door button is pressed while > > the system is resuming? > > In that case, if the hardware logic is ready, an ACPI event will fire > and the device will be runtime resumed; if the hardware logic is not > ready yet due to the system is resuming, nothing happens. So we have this race: sr_lock_door() system goes to S3 system starts resuming from S3 user presses door button sr_resume() door opens I guess this should not happen. Regards Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
