On Fri, Nov 07, 2008 at 01:08:29PM +0900, Tejun Heo wrote: > > This suggests to me that hdparm --idle-unload does indeed trigger a phy > > event, but the interrupt handler clears SError. Issuing the unload > > command in EH, on the other hand, does not result in a phy event because > > event notification is disabled. That way, phyrdy and commwake don't get > > cleared in SError in will indicate a hotplug event next time SError is > > checked. Does that make sense? If so, what's to be done about it? > > Hmmm... if ALPM is enabled, it could explain all. Enabling ALPM does > inhibit event notifications but it doesn't prevent autopsy from > interpreting SError as if ALPM is not enabled. > > Evgeni, is ALPM enabled? You mean Aggressive Link Power Management? As patches from here: http://www.kernel.org/pub/linux/kernel/people/kristen/patches/SATA/alpm/ ? Unless they got merged into 2.6.27 and autoenabled, no, I dont use ALPM :) Regards Evgeni -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html