linux-kernel - Re: 2.6.26-rc3 - appletouch resume "incomplete data package"

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Message-Id: <1211800004.17151.51.camel@johannes.berg>
Date:	Mon, 26 May 2008 13:06:44 +0200
From:	Johannes Berg <johannes@...solutions.net>
To:	Bob Copeland <me@...copeland.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-input@...r.kernel.org
Subject: Re: 2.6.26-rc3 - appletouch resume "incomplete data package"

On Sun, 2008-05-25 at 16:24 -0400, Bob Copeland wrote:
> This appears to be a regression since 2.6.25.  After resuming, I get:
> 
>     appletouch: incomplete data package (first byte: 2, length: 4).
>     appletouch: incomplete data package (first byte: 2, length: 4).
>     appletouch: incomplete data package (first byte: 2, length: 4).
>     [...]
> 
> And the touchpad doesn't work.  This is on a first gen MacBook.  I
> didn't see any changes to the driver itself in that timeframe.
> Anyone have ideas, or should I try a bisect?

I have intermittently seen this problem happen for quite a while, a
bisect will probably not help you. The "incomplete data package" message
doesn't actually seem to be related to the fact that suspend/resume
sometimes breaks the touchpad though, it seems to happen, for example,
when you switch from X to a console and back, something must be bad with
the timing, possibly even in the hardware.

johannes

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