From: Ed Tomlinson <tomlins@cam.org>
Organization: me
To: Greg KH <greg@kroah.com>
Subject: Re: 2.6.15-rc1-mm1
Date: Fri, 18 Nov 2005 22:24:09 -0500
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Cc: Ian McDonald <imcdnzl@gmail.com>, Andrew Morton <akpm@osdl.org>,
       linux-kernel@vger.kernel.org
References: <20051117111807.6d4b0535.akpm@osdl.org> <200511182024.33858.tomlins@cam.org> <20051119012632.GA28458@kroah.com>
In-Reply-To: <20051119012632.GA28458@kroah.com>
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On Friday 18 November 2005 20:26, Greg KH wrote:
> On Fri, Nov 18, 2005 at 08:24:33PM -0500, Ed Tomlinson wrote:
> > On Friday 18 November 2005 18:51, Greg KH wrote:
> > > On Fri, Nov 18, 2005 at 06:35:11PM -0500, Ed Tomlinson wrote:
> > > > On Friday 18 November 2005 18:16, Ed Tomlinson wrote:
> > > > > On Friday 18 November 2005 16:14, Ian McDonald wrote:
> > > > > > On 11/19/05, Greg KH <greg@kroah.com> wrote:
> > > > > > > Are you using debian?
> > > > > > > If so, what version of udev are you using?  There are some known
> > > > > > > reported problems with this, so I would suggest referring to the udev
> > > > > > > bug list.
> > > > > > >
> > > > > > In particular check the version requirements for udev - you need to be
> > > > > > on a version greater than or equal to 71. Sarge/stable has a really
> > > > > > old version. In particular I am running unstable as I had too many
> > > > > > funny errors (including this one) - but etch should be fine.
> > > > > > 
> > > > > > If running another distribution check this also as it is a real requirement.
> > > > > > 
> > > > > > To find the latest version of udev required check Documentation/Changes
> > > > > 
> > > > > devinfo -v 
> > > > > udevinfo, version 074 
> > > > > 
> > > > > dpkg -s 
> > > > > Package: udev
> > > > > Status: install ok installed
> > > > > Priority: extra
> > > > > Section: admin
> > > > > Installed-Size: 1072
> > > > > Maintainer: Marco d'Itri <md@linux.it>
> > > > > Architecture: amd64
> > > > > Version: 0.074-3
> > > > > 
> > > > > Interestingly the same udev works fine with 14-rc4-mm1.  I'll check the debian
> > > > > bugs.
> > > > 
> > > > There does not seem to be anything that fits this reported as a debian bug.  Where
> > > > is the udev bugs list?
> > > 
> > > For Debian?  I have no idea as I do not use it :)
> > > 
> > > For general udev issues/queries try the linux-hotplug-devel mailing
> > > list.
> > > 
> > > Oh, and are you sure you actually have the proper module loaded?
> > 
> > Think only the mousedev module is not loaded.  Once I modprobe it the mouse works
> > and the /dev/input/mice appears.  The mouse works normally with all buttons and wheels
> > acting normal.
> 
> Then you just need to make sure that module is loaded properly, which
> doesn't sound like a udev issue :)

Then its a kernel problem.  

It works with the _same_ user space in 2.6.14-rc4-mm1 and fails with 15-rc1-mm2...  
This implies either something is broken in the kernel or udev is not doing its job with 
the new (input?) changes.  Since I switched to udev this summer I have not had to load 
many modules certainly not mousedev.

I'll do a bit of experimenting this weekend to see if I cannot figure out more about what is 
happening.

Thanks for the help
Ed
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