Re: Deadlock in kernel on USB shutdown

From: Roger Leblanc (
Date: Wed Jan 02 2002 - 22:26:41 EST

Greg KH wrote:

>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.
Oops? I know about cores but I don't know about oopses. I'm only a C++,
hight level, OO developer. Sorry ;-). Can you explain please?

>>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.
I'll do that



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