linux-kernel - Re: [bisected regression] Touchpad "paste" stops working after suspend to RAM

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Message-ID: <20091011193100.GA4410@Pilar.aei.mpg.de>
Date:	Sun, 11 Oct 2009 21:31:00 +0200
From:	"Carlos R. Mafra" <crmafra2@...il.com>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	linux-kernel@...r.kernel.org, "Rafael J. Wysocki" <rjw@...k.pl>,
	linux-input@...r.kernel.org
Subject: Re: [bisected regression] Touchpad "paste" stops working after
	suspend to RAM

On Sun 11.Oct'09 at 11:01:34 -0700, Dmitry Torokhov wrote:
> Hi Carols,
> 
> On Sun, Oct 11, 2009 at 06:21:55PM +0200, Carlos R. Mafra wrote:
> > Using the latest 2.6.32-rc3+ kernel, the "paste" operation via the 
> > touchpad of my Vaio laptop does not work after suspend to RAM.
> > 
> > It works flawlessly before s2ram; I select the text with the touchpad
> > and tap quickly its right corner to paste the selected text.
> > After a plain 'echo mem > /sys/power/state' the "paste" does not work.
> > 
> > I bisected it to commit ffd0db97196c1057f09c2ab42dd5b30e94e511d9 ("Input: 
> > add generic suspend and resume for input devices").
> > 
> > I haven't tested if reverting it from mainline fixes the issue, but 
> > from the patch description I guess that bisection landed correctly
> > on the culprit.
> > 
> 
> Please verify that this is the real offending commit by reverting it - I
> am surprised that it would give any trouble since it is supposed to
> restore LED state and repeat rate and therefore should only be affecting
> keyboards.

Reverting it fixes the issue, I've just tested it now.

[ I had to edit the resulting drivers/input/input.c because it did not 
  revert cleanly. ]
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