linux-kernel - Re: 3.8.4: ohci question

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Message-ID: <Pine.LNX.4.44L0.1303281034160.1652-100000@iolanthe.rowland.org>
Date:	Thu, 28 Mar 2013 10:35:34 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Bjorn Helgaas <bhelgaas@...gle.com>
cc:	Udo van den Heuvel <udovdh@...all.nl>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	USB list <linux-usb@...r.kernel.org>
Subject: Re: 3.8.4: ohci question

On Wed, 27 Mar 2013, Bjorn Helgaas wrote:

> [+cc linux-usb]
> 
> On Wed, Mar 27, 2013 at 11:37 AM, Udo van den Heuvel <udovdh@...all.nl> wrote:
> > Hello,
> >
> > When my dmesg gives me a growing number of lines like the one below,
> > what is going on?
> >
> >  ohci_hcd 0000:00:12.0: urb ffff88023025c500 path 2 ep1in 6c160000 cc 6
> > --> status -71
> >
> > Please let me know!

-71 errors indicate a low-level problem on the USB bus.  Generally it
means that the device isn't sending any packets.  Maybe the device's
firmware has crashed or maybe it has been disconnected.

Alan Stern

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