On Fri, 4 Feb 2011, Jiri Slaby wrote: > 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. You can suspend using a remote network login. Agreed, this would be painful. > > 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? Yes. Alan Stern _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
