Re: Problem: irq 217: nobody cared + backtrace

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On Thu, 2006-08-03 at 12:08 -0400, Alan Stern wrote:
> Has this happened more than once?  

In my case (it very different), all the time.
I also got :
uhci_hcd 0000:00:10.1: host controller process error, something bad
happened!
uhci_hcd 0000:00:10.1: host controller halted, very bad!
uhci_hcd 0000:00:10.1: HC died; cleaning up
usb 3-2: USB disconnect, address 2

> 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

Thanks,
--
Sérgio M. B.

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