linux-kernel - Re: linux-next: Tree for July 30

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Message-Id: <20080731104437.5e5669bc.akpm@linux-foundation.org>
Date:	Thu, 31 Jul 2008 10:44:37 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	linux-input@...r.kernel.org
Subject: Re: linux-next: Tree for July 30

On Thu, 31 Jul 2008 11:56:48 -0400 Dmitry Torokhov <dmitry.torokhov@...il.com> wrote:

> On Thu, Jul 31, 2008 at 05:36:16PM +0200, Bartlomiej Zolnierkiewicz wrote:
> > On Thu, Jul 31, 2008 at 4:07 PM, Dmitry Torokhov
> > <dmitry.torokhov@...il.com> wrote:
> > > On Wed, Jul 30, 2008 at 11:10:29PM -0700, Andrew Morton wrote:
> > >> On Wed, 30 Jul 2008 17:06:35 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> > >>
> > >> > I have created today's linux-next tree at
> > >> > git://git.kernel.org/pub/scm/linux/kernel/git/sfr/linux-next.git
> > >>
> > >> The X server broke on my FC8 t61p thinkpad.  Mainline is OK.
> > >>
> > >> Various information is at http://userweb.kernel.org/~akpm/mo/
> > >>
> > >> I'm suspecting the input layer - my synaptics device seems to have
> > >> disappeared?  See http://userweb.kernel.org/~akpm/mo/Xorg-log-diff.txt
> > >>
> > >
> > > I think this patch should help with Synaptics:
> > 
> > Which unfortunately doesn't help all people running with older synaptics
> > user-space after commit 0571c5d20aca71c735222132b02aebddf593045c
> > ("Input: expand keycode space").
> > 
> > Can't this be solved without breaking Xorg on newer kernels running
> > older synaptics?
> > 
> 
> No. The X driver is broken. It tells kernel to use buffer bugger than
> allocated and gets its stack smashed. Tslib has also soma funkiness
> in the ioctl handling as well... *shrug*
> 
> We have a couple months to get distros updated...
> 

aaarrrrgggggghhh.  I don't think this is practical.  This means that
(for example) FC5 machines (of which I happen to have one) are dead. 
And lots of other older-distro-based systems.

Is there some userspace workaround which doesn't require an X server
update?

Surely it must be possible to make the kernel contiue to support these
servers?

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