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kern/46736: Kernel Error with USB possibly OHCI related

>Number:         46736
>Category:       kern
>Synopsis:       Keyboard and/or mouse do not work with UHCI and OHCI enabled, 
>mouse still does not work with OHCI
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Jul 24 05:05:00 +0000 2012
>Originator:     dougztr
>Release:        NetBSD 6.99.10
        No affiliations
System: NetBSD phantom 6.99.10 NetBSD 6.99.10 (DOUGZTR) #0: Tue Jul 24 00:22:20 
EDT 2012 doug@phantom:/usr/src/src/sys/arch/amd64/compile/DOUGZTR amd64
Architecture: x86_64
Machine: amd64
        On running the install cd, and after booting neither the keyboard or 
mouse work. A workaround is to unplug and replug them which
        will make them active, however then messages will keep respawning on 
the console about device disconnected/reattached. I have tried
        compiling a kernel with UHCI disabled but the behavior is still the 
same, so it would seem to be an issue with the OHCI kernel driver.
        A further workaround is to connect the mouse and keyboard to a passive 
hub which for some reason enables them by default, and finally
        the hub can be connected to a switch to manually reset the mouse and 
keyboard. This is a very serious problem and will cause many to
        quit a NetBSD installation from frustration, like I did many times 
until I found the little trick.
        Boot up a computer with an AMD chipset that uses the OHCI USB driver.
        See above, workaround involves using a hub, switch, or replugging the 
devices. No known kernel patch yet.

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