On 10/13/13 10:03, Martin Pieuchot wrote: > Hi Peter, > > Thanks for the bug report. > > On 13/10/13(Sun) 16:24, Peter Kane wrote: >> What is the current expectation for plugging/unplugging USB keyboards? > > This is obviously not the expected behavior, it should not crash your > system ;) > >> Plugging and unplugging a Yubikey several times usually causes my notebooks >> to crash. It seems this probem extends to USB keyboards in general as I >> have found that on a second suspend-resume cycle my Thinkpad T42 will no >> longer restart with a Yubikey (or USB keyboard) attached. > > The problem you're seeing is a side effect of my last change to usbdi.c > to stop queuing transfers as soon as possible when an I/O error is > reported generally corresponding to a device being detached. > > Diff below should fix this regression, could you try it? > > Bob, could you also give it a try and tell me if it still fixes your > ehci(4) issue?
Unfortunately, I replaced the problematic usb trendnet kvm switch last week so my test case no longer applies. Sorry... OTOH, I do have a couple yubikeys and usb hubs. Is there a scenario that would help further troubleshoot this problem?
