linux-kernel - Re: Problem: irq 217: nobody cared + backtrace

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Date:	Mon, 07 Aug 2006 02:54:47 +0100
From:	Sergio Monteiro Basto <sergio@...giomb.no-ip.org>
To:	Alan Stern <stern@...land.harvard.edu>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-usb-devel@...ts.sourceforge.net,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: Re: Problem: irq 217: nobody cared + backtrace

On Fri, 2006-08-04 at 13:11 -0400, Alan Stern wrote:
> On Fri, 4 Aug 2006, Sergio Monteiro Basto wrote:
> 
> > > > 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
> > > 
> > > You don't need debugfs to solve the problem shown above.
> > > 
> > > What version of the kernel are you using?
> > > 
> > > Alan Stern
> > 
> > http://bugme.osdl.org/show_bug.cgi?id=6419#c16
> > http://bugme.osdl.org/show_bug.cgi?id=6419#c19
> > all the time, with 2.6.18-rc3 
> 
> Here is a patch which should fix the "host controller process error"  
> problem:
> 
> http://marc.theaimsgroup.com/?l=linux-usb-devel&m=115435540308759&w=2
> 

yes! I am testing 2.6.18-rc3-git7.bz2 which have your patch, with
CONFIG_USB_DEBUG and CONFIG_DEBUG_FS on and I can googling :), it is
working. I have done a stress test with azureus and still working! 
Tomorrow I will test the irq 201, 209 or 217 nobody care.

Many thanks Alan,
-- 
Sérgio M. B.

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