linux-kernel - Re: 2.6.24: false double-clicks from USB mouse

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Message-ID: <Pine.LNX.4.64.0712022300490.13260@jikos.suse.cz>
Date:	Sun, 2 Dec 2007 23:07:26 +0100 (CET)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Mark Lord <lkml@....ca>
Cc:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	rubini@...ion.unipv.it, linux-input@...r.kernel.org,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Jeff Garzik <jeff@...zik.org>,
	linux-usb-devel@...ts.sourceforge.net
Subject: Re: 2.6.24:  false double-clicks from USB mouse

[ linux-usb-devel added to CC ]

On Sun, 2 Dec 2007, Mark Lord wrote:

> Okay.  I've got to leave the computer for a while now, so I'll post 
> again whenever I have something new here.

Thanks. To sum up this longish thread:

- 2.6.24-rcX exposes the problem with sometimes multiple clicks being 
  generated as a response for one click on USB mouse (evtest shows that 
  really mutliple LeftBtn events arrive). 2.6.23 behaves correctly
- reverting the state of drivers/hid to 2.6.23 state doesn't make the 
  problem go away, so the problem is elsewhere (Input? USB?)
- Mark seems to be able to reproduce the problem quite easily; I was not 
  successful reproducing this no matter how hard I tried, and I also 
  didn't receive any similar bugreports from anyone else
- we are currently waiting for Mark to provide HID_DEBUG (and preferably
  also usbmon) output from the situation where multiple clicks are 
  being generated incorrectly

-- 
Jiri Kosina
SUSE Labs
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