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    SubjectRe: Problem: irq 217: nobody cared + backtrace
    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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