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From: David <david@unsolicited.net>
To: linux-media@vger.kernel.org,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: USB/DVB - Old Technotrend TT-connect S-2400 regression tracked down
Date: Fri, 22 May 2009 22:32:14 +0100	[thread overview]
Message-ID: <4A1719DE.4060009@unsolicited.net> (raw)

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.

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?

Cheers
David




             reply	other threads:[~2009-05-22 21:33 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-22 21:32 David [this message]
2009-05-22 21:45 ` USB/DVB - Old Technotrend TT-connect S-2400 regression tracked down David
2009-05-23  8:25 ` Pekka Enberg
2009-05-23  8:25   ` Pekka Enberg
2009-05-23 15:15   ` Alan Stern
2009-05-23 18:20     ` David
2009-05-23 19:22       ` David
2009-05-23 21:02         ` Alan Stern
2009-05-24  0:15           ` David
2009-05-24  0:54             ` hermann pitton
2009-05-24  8:35               ` David
2009-05-24 14:33             ` Alan Stern
2009-05-24 15:28               ` David
2009-05-25  2:10                 ` Alan Stern
2009-05-25  2:39                   ` Pete Zaitcev
2009-05-25  9:00                     ` David
2009-05-25 12:25                       ` David
2009-05-26  0:48                         ` Pete Zaitcev
2009-05-26 14:08                           ` Alan Stern
2009-05-26 18:42                           ` David
2009-05-26 19:01                             ` Pete Zaitcev
2009-05-24 15:16             ` Alan Stern
2009-05-25 15:23             ` Alan Stern
2009-05-25 17:32               ` David
2009-05-25 18:44                 ` David
2009-05-25 21:12                   ` Alan Stern
2009-05-26 20:57                   ` Alan Stern
2009-05-27 18:42                     ` David
2009-05-27 20:20                       ` Alan Stern
2009-05-27 21:28                         ` David

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