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

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Message-ID: <Pine.LNX.4.64.0712021903460.12208@twin.jikos.cz>
Date:	Sun, 2 Dec 2007 19:07:46 +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>
Subject: Re: 2.6.24:  false double-clicks from USB mouse

On Sun, 2 Dec 2007, Mark Lord wrote:

> > Single-clicking on things with 2.6.24 very frequently gives a 
> > "double-click". This does not happen with 2.6.23.8. I wonder what 
> > broke it? I've grabbed mousedev.c from 2.6.23 and inserted that in 
> > place of the updated 2.6.24 source, but no change.  So it's not that 
> > file.
> Mmm.. reverting the entire drivers/hid directory to that from 2.6.23
> seems to have fixed the problem, so we now know it's in there somewhere.
> Jiri: do you have any suggestions that might be more specific than that ?

Could you please run evtest on the mouse device and send me what is 
reported when these false double-clicks happen? Also providing debug 
output of usbhid might or might not be helpful (*)

There were not that many changes in USB HID apart from adding per-device 
quirks for specific broken devices. Could you please try reverting 
c01d50d18, 933e3187, 82eb1219 to see if any of them makes this go away? 

(*) this means compiling with CONFIG_HID_DEBUG and modprobing hid module 
with 'debug=1'.

Thanks,

-- 
Jiri Kosina

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