On Thu, Jul 07, 2011 at 03:38:49PM +0200, Stefan Richter wrote: > On Jul 07 Stefan Richter wrote: > > It appears to be a regression from -rc4 to -rc6. At the second occasion > > that I switched the monitor off while running 3.0-rc6, the same happened > > again. (IOW judging from the mere two tries I did so far, this issue is > > 100% reproducible.) > > > > khubd locked up; no subsequent device re-attachments were recognized; > > only an USB mouse that was attached to a motherboard USB port already > > before the deadlock continued to let me move the pointer. > > Sarah, "gitk v3.0-rc4.. drivers/usb/core/" makes it look like this is from > commit fccf4e86200b8f5edd9a65da26f150e32ba79808. When I find spare time I > will test 3.0-rc6 with that one reverted. Can you test Linus's tree, along with a patch sent yesterday from Alan Stern to the linux-usb mailing list (attached below)? That should resolve this issue, if not, please let us know. thanks, greg k-h