Messages in this thread | | | Date | Sat, 23 May 2009 11:15:16 -0400 (EDT) | From | Alan Stern <> | Subject | Re: USB/DVB - Old Technotrend TT-connect S-2400 regression tracked down |
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On Sat, 23 May 2009, Pekka Enberg wrote:
> 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?
It's hard to see how that patch could cause any problems, provided the hardware is working correctly. (There was a case where the hardware was _not_ working as expected.) Is any more information available about this failure?
Alan Stern
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