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From: arno@natisbad.org (Arnaud Ebalard)
To: linux-arm-kernel@lists.infradead.org
Subject: [BUG] FL1009: xHCI host not responding to stop endpoint command.
Date: Wed, 15 Jan 2014 20:04:45 +0100	[thread overview]
Message-ID: <87mwix5anm.fsf@natisbad.org> (raw)
In-Reply-To: <063D6719AE5E284EB5DD2968C1650D6D45C5AB@AcuExch.aculab.com> (David Laight's message of "Wed, 15 Jan 2014 09:59:10 +0000")

Hi David,

David Laight <David.Laight@ACULAB.COM> writes:

>> I tried current 3.13.0-rc8 w/ 35773dac5f86 reverted and the result is
>> the same:
>
> That patch only affects an error code and stops the fs code retrying
> for ever.

Are you sure? ...

> Does everything work if you comment out the code in xhci-ring.c that adds
> NOP TRBs to the ring end in order to stop the LINK TRB appearing in the middle
> of a TB.
> The ethernet code needs it, but the disk transfers are (probably) aligned
> such that they don't.

... AFAICT, this is exactly what commit 35773dac5f86 does and reverting
it does not help. If I am mistaken, can you point which part you want me
to remove in the code to test?

I am slowly starting to see a bisect session coming ;-)

Cheers,

a+

  reply	other threads:[~2014-01-15 19:04 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-12 20:13 [BUG] FL1009: xHCI host not responding to stop endpoint command Arnaud Ebalard
2014-01-12 21:36 ` Arnaud Ebalard
2014-01-14 17:07   ` Sarah Sharp
2014-01-14 18:11     ` Bjørn Mork
2014-01-14 21:54     ` Arnaud Ebalard
2014-01-15  9:59       ` David Laight
2014-01-15 19:04         ` Arnaud Ebalard [this message]
2014-01-16 18:50           ` Sarah Sharp
2014-01-17  6:25             ` Arnaud Ebalard
2014-01-17  8:31               ` Bjørn Mork
2014-01-17 20:54                 ` Sarah Sharp
2014-01-18 21:49                   ` Arnaud Ebalard
2014-01-21 21:17                     ` Sarah Sharp
2014-01-22 22:23                       ` Arnaud Ebalard
2014-01-22 22:26                         ` Jason Cooper
2014-01-22 22:43                           ` Arnaud Ebalard
2014-01-22 23:56                             ` Sarah Sharp
2014-01-23  8:24                               ` Arnaud Ebalard
2014-01-23 11:09                                 ` Willy Tarreau
2014-01-27 22:20                                   ` Arnaud Ebalard
2014-01-26 13:30                                 ` Thomas Petazzoni
2014-01-27 18:36                                   ` Arnaud Ebalard
2014-02-10 18:57                               ` Arnaud Ebalard
2014-02-14  0:09                                 ` Sarah Sharp
2014-02-14  8:26                                   ` Thomas Petazzoni
2014-02-18 13:10                     ` Thomas Petazzoni
2014-02-18 20:54                       ` Arnaud Ebalard
2014-02-18 21:24                         ` Thomas Petazzoni

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