netdev - Re: [PATCH] usbnet: Activate the halt interrupt endpoint to fix endless "XactErr" error

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Message-ID: <Pine.LNX.4.44L0.1206081212150.1360-100000@iolanthe.rowland.org>
Date:	Fri, 8 Jun 2012 12:13:04 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Huajun Li <huajun.li.lee@...il.com>
cc:	Ming Lei <tom.leiming@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	<linux-usb@...r.kernel.org>, <netdev@...r.kernel.org>
Subject: Re: [PATCH] usbnet: Activate the halt interrupt endpoint to fix
 endless "XactErr" error

On Fri, 8 Jun 2012, Huajun Li wrote:

> > One possibility is to wait for a little while before resubmitting the
> > URB, and after 10 failures in a row, attempt a reset.
> >
> Alan, thanks for your proposal.
> You mean reset the device after 10 failures, right ?

Yes.  But I don't know if it will help your problem.

> BTW, I ever tried to sleep several seconds before submitting the 1st
> interrupt URB, but it did not work.

As Ming Lei said, it sounds like your device isn't working right.

Alan Stern

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