Date: Thu, 24 Nov 2005 13:44:44 +0100
From: Marc Koschewski <marc@osknowledge.org>
To: Ed Tomlinson <tomlins@cam.org>
Cc: Marc Koschewski <marc@osknowledge.org>,
       Dmitry Torokhov <dtor_core@ameritech.net>, linux-kernel@vger.kernel.org
Subject: Re: psmouse unusable in -mm series (was: 2.6.15-rc1-mm2 unsusable on DELL Inspiron 8200, 2.6.15-rc1 works fine)
Message-ID: <20051124124444.GA23667@stiffy.osknowledge.org>
References: <20051118182910.GJ6640@stiffy.osknowledge.org> <200511232129.35796.tomlins@cam.org> <20051124084120.GA7799@stiffy.osknowledge.org> <200511240717.11752.tomlins@cam.org>
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* Ed Tomlinson <tomlins@cam.org> [2005-11-24 07:17:10 -0500]:

> On Thursday 24 November 2005 03:41, Marc Koschewski wrote:
> > * Ed Tomlinson <tomlins@cam.org> [2005-11-23 21:29:35 -0500]:
> > 
> > > On Wednesday 23 November 2005 14:57, Marc Koschewski wrote:
> > > > * Dmitry Torokhov <dtor_core@ameritech.net> [2005-11-21 22:43:50 -0500]:
> > > > 
> > > > > On Sunday 20 November 2005 12:14, Marc Koschewski wrote:
> > > > > > * Dmitry Torokhov <dtor_core@ameritech.net> [2005-11-18 22:07:19 -0500]:
> > > > > > 
> > > > > > > On Friday 18 November 2005 13:29, Marc Koschewski wrote:
> > > > > > > > Nov 18 12:58:37 stiffy kernel: psmouse.c: Wheel Mouse at isa0060/serio1/input0 lost synchronization, throwing 1 bytes away.
> > > > > > > > 
> > > > > > > > SOME STUFF MISSING? HUH?
> > > > > > > > 
> > > > > > > > Nov 18 13:03:14 stiffy kernel: psmouse.c: resync failed, issuing reconnect request
> > > > > > > > 
> > > > > > > 
> > > > > > > Hm, this worries me a bit... Could you please try appying the patch
> > > > > > > below to plain 2.6.15-rc1 and see if mouse starts misbehaving again?
> > > > > > 
> > > > > > Dmitry,
> > > > > > 
> > > > > > I applied the 5 patches to a plain 2.6.15-rc1. The mouse was well as if it was
> > > > > > in an unpatched kernel. The problem just occured in 2.6.15-rc1-mmX.
> > > > > > Plain 2.6.15-rc1 was fine before as well. So: actually no change.
> > > > > > 
> > > > > > Need any more info?
> > > > > >
> > > > > 
> > > > > Marc,
> > > > > 
> > > > > Thank you for testing the patch. It proves that your mouse troubles
> > > > > were not caused by the patch I made so I am very happy. "No change"
> > > > > is the result I wanted to hear ;)
> > > > > 
> > > > 
> > > > Dmitry,
> > > > 
> > > > there's a bug report filed against Debian's udev. You can read it here:
> > > > 
> > > > 	http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=340202
> > > > 
> > > > The bug report, however, states that the problem is caused by udev under
> > > > all variants of kernel 2.6.15. I'm writing this mail while running
> > > > 2.6.15-rc1 and the mouse definitely works. Do you have any other hint?
> > > > Seems to me like the bug report is only half the truth... 
> > > 
> > > Marc,
> > > 
> > > Are you, by some slim chance, manually loading mousedev ( via /etc/modules) or
> > > an init script?  If so your mouse will work.
> > > 
> > 
> > Hi Ed,
> > 
> > yes, I do load mousedev as well as psmouse in /etc/modules due to udev
> > no longer loading it. my problem, however, is _not_ that teh module
> > doesn't get loaded. It's the mouse pointer jumping all over the screen.
> > After some time (inactivity?) it calms down and is usable. Then, after
> > some minutes it again jumps wild all over the place, seems to click
> > stuff on it's own, and again calms down, ...
> > 
> > This problem shouldn't be udev related.
> > 
> > One note: the pointer seems to be in love with the corners of the
> > screen. It always goes there when it goes wild... ;)
> 
> Marc,
> 
> It looks like you are seeing a different bug.  The one opened for debian user space
> covers mousedev not being loaded if the kernel is 2.6.15, which leads to no /dev/input
> 

That's what I think, thus the report on LKLM. But noone but me seems to
be trapped into it until... :/

Marc
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