Re: Deadlock in kernel on USB shutdown

From: Greg KH (
Date: Wed Jan 02 2002 - 22:03:57 EST

On Wed, Jan 02, 2002 at 09:10:16PM -0500, Roger Leblanc wrote:
> umount seg-faults while unmounting /proc/bus/usb! Then modprobe also
> seg-faults while unloading usb-uhci!!! But the system stays up.
> After that, I cannot make my scanner to work even if I run
> ".../init.d/usb start".

Can you run that first oops through ksymoops and send it. Actually do
it for both oopses.

> B.T.W. Did I tell you that I can bring the kernel down just by turning
> the scanner off and then back again?

Hm, sounds like the scanner driver has some problems :)
You might email the author with this info and see if he has any ideas.

greg k-h
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