On 02/04/2011 08:33 PM, Alan Stern wrote: > On Fri, 4 Feb 2011, Jiri Slaby wrote: > >>>> It seems to suffice... No hangs still. Should I enable pm_async back >>>> again to confirm the issue is still present? >>> >>> Yes, please, it would be good to know for sure. >> >> Ok, confirmed right now :). >> >> I disabled pm_async for USB again. What do you suggest next? > > What happens if you leave pm_async enabled but unplug all the USB > devices before suspending? Then I cannot suspend at all (ENOINPUTDEVICE)... And this would be painful as the bug occurs once a week or so. > If there are any USB devices you can't > unplug, you can get an equivalent result by unconfiguring the root > hubs: > > for a in /sys/bus/usb/devices/usb* ; do > echo 0 >$a/bConfigurationValue > done Well, I can put this into suspend/resume scripts. What's the opposite operation? 1 > $a/bConfigurationValue? thanks, -- js _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
