Re: Problem: irq 217: nobody cared + backtrace

From: Greg KH
Date: Fri Aug 04 2006 - 13:31:51 EST


On Fri, Aug 04, 2006 at 04:33:11PM +0100, Sergio Monteiro Basto wrote:
> On Thu, 2006-08-03 at 12:08 -0400, Alan Stern wrote:
> > In case it happens again, here's how
> > you can get more information. Turn on CONFIG_USB_DEBUG and
> > CONFIG_DEBUG_FS, and mount a debugfs filesystem somewhere (say
> > /sys/kernel/debug). Then after the problem occurs, save a copy of
> >
> > /sys/kernel/debug/uhci/0000:00:1d.1
>
> can you explain to me how I mount debugfs filesystem ? please

as root:
mount -t debugfs none /sys/kernel/debug

thanks,

greg k-h
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