Re: linux-next: Tree for July 30

From: Andrew Morton
Date: Thu Jul 31 2008 - 13:45:28 EST


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