linux-kernel - Re: [linux-usb-devel] Problem with USB storage devices, error -110

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Message-ID: <Pine.LNX.4.61.0609011633080.27492@yvahk01.tjqt.qr>
Date:	Fri, 1 Sep 2006 16:33:45 +0200 (MEST)
From:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
To:	Alan Stern <stern@...land.harvard.edu>
cc:	Jan-Hendrik Zab <xaero@....de>, linux-kernel@...r.kernel.org,
	greg@...ah.com, linux-usb-devel@...ts.sourceforge.net
Subject: Re: [linux-usb-devel] Problem with USB storage devices, error -110


>Subject: Re: [linux-usb-devel] Problem with USB storage devices, error -110
>
>It seems pretty clear that the UHCI controller hardware on your PCI card
>isn't working.  The "len=-8/64" messages are a dead giveaway; you can't
>get a negative length with a timeout failure if the controller is working
>right.  At least, not unless you have some other USB devices already
>attached to the same controller and using up all the bandwidth.
>
>The fact that it fails in the same way with all the USB devices you attach 
>is another indicator that the controller is bad.

BTW, error 110 is ETIMEDOUT. I have had that on one buggy USB mp3 player 
too - so it's not always the USB host controller.


Jan Engelhardt
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