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Date: Sat, 23 May 2009 11:25:37 +0300
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Subject: Re: USB/DVB - Old Technotrend TT-connect S-2400 regression tracked 
	down
From: Pekka Enberg <penberg@cs.helsinki.fi>
To: David <david@unsolicited.net>
Cc: linux-media@vger.kernel.org,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       dbrownell@users.sourceforge.net, Alan Stern <stern@rowland.harvard.edu>,
       leonidv11@gmail.com, Greg KH <gregkh@suse.de>,
       Andrew Morton <akpm@linux-foundation.org>,
       "Rafael J. Wysocki" <rjw@sisk.pl>
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On Sat, May 23, 2009 at 12:32 AM, David <david@unsolicited.net> wrote:
> I reported this DVB-S card breaking between 2.6.26 and 2.6.27. I've
> finally had time to do some digging, and the regression is caused by:
>
>    b963801164618e25fbdc0cd452ce49c3628b46c8 USB: ehci-hcd unlink speedups
>
> ..that was introduced in 2.6.27. Reverting this change in 2.6.29-rc5
> makes the card work happily again.

[ Note: David meant 2.6.30-rc5 here. ]

Thanks for doing the bisect!

On Sat, May 23, 2009 at 12:32 AM, David <david@unsolicited.net> wrote:
> I don't know enough about USB protocols to speculate on whether there
> may be a better fix, but hopefully someone cleverer than me can get to
> the bottom of the problem?

Lets start with cc'ing the right people. :-)

                                Pekka