From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: Mark Lord <kernel@teksavvy.com>
Cc: Mauro Carvalho Chehab <mchehab@redhat.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Linux Kernel <linux-kernel@vger.kernel.org>,
linux-input@vger.kernel.org, linux-media@vger.kernel.org
Subject: Re: 2.6.36/2.6.37: broken compatibility with userspace input-utils ?
Date: Wed, 26 Jan 2011 08:44:00 -0800 [thread overview]
Message-ID: <20110126164359.GA29163@core.coreip.homeip.net> (raw)
In-Reply-To: <4D403855.4050706@teksavvy.com>
On Wed, Jan 26, 2011 at 10:05:57AM -0500, Mark Lord wrote:
> On 11-01-25 09:00 PM, Dmitry Torokhov wrote:
> > On Tue, Jan 25, 2011 at 03:29:14PM -0800, Dmitry Torokhov wrote:
> >> On Tue, Jan 25, 2011 at 05:22:09PM -0500, Mark Lord wrote:
> >>> On 11-01-25 05:00 PM, Mauro Carvalho Chehab wrote:
> >>>> Em 25-01-2011 18:54, Dmitry Torokhov escreveu:
> ..
> >>>>> That has been done as well; we have 2 new ioctls and kept 2 old ioctls.
> >>>
> >>> That's the problem: you did NOT keep the two old ioctls().
> >>> Those got changed too.. so now we have four NEW ioctls(),
> >>> none of which backward compatible with userspace.
> >>>
> >>
> >> Please calm down. This, in fact, is not new vs old ioctl problem but
> >> rather particular driver (or rather set of drivers) implementation
> >> issue. Even if we drop the new ioctls and convert the RC code to use the
> >> old ones you'd be observing the same breakage as RC code responds with
> >> -EINVAL to not-yet-established mappings.
> >>
> >> I'll see what can be done for these drivers; I guess we could supply a
> >> fake KEY_RESERVED entry for not mapped scancodes if there are mapped
> >> scancodes "above" current one. That should result in the same behavior
> >> for RCs as before.
> >>
> >
> > I wonder if the patch below is all that is needed...
>
>
> Nope. Does not work here:
>
> $ lsinput
> protocol version mismatch (expected 65536, got 65537)
>
It would be much more helpful if you tried to test what has been fixed
(hint: version change wasn't it).
--
Dmitry
next prev parent reply other threads:[~2011-01-26 16:44 UTC|newest]
Thread overview: 95+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-23 17:03 2.6.36/2.6.37: broken compatibility with userspace input-utils ? Mark Lord
2011-01-24 17:54 ` Dmitry Torokhov
2011-01-25 0:32 ` Mark Lord
2011-01-25 0:55 ` Dmitry Torokhov
2011-01-25 4:13 ` Mark Lord
2011-01-25 4:20 ` Dmitry Torokhov
2011-01-25 4:37 ` Mark Lord
2011-01-25 4:43 ` Mark Lord
2011-01-25 4:55 ` Dmitry Torokhov
2011-01-25 5:04 ` Mark Lord
2011-01-25 5:07 ` Mark Lord
2011-01-25 5:15 ` Mark Lord
2011-01-25 5:31 ` Dmitry Torokhov
2011-01-25 6:52 ` Dmitry Torokhov
2011-01-25 14:42 ` Extending rc-core/userspace to handle bigger scancodes - Was: " Mauro Carvalho Chehab
2011-01-25 16:55 ` Dmitry Torokhov
2011-01-26 9:44 ` Mauro Carvalho Chehab
2011-01-25 11:42 ` Mauro Carvalho Chehab
2011-01-25 14:32 ` Mark Lord
2011-01-25 16:48 ` Dmitry Torokhov
2011-01-25 20:09 ` Linus Torvalds
2011-01-25 20:54 ` Dmitry Torokhov
2011-01-25 21:01 ` Dmitry Torokhov
2011-01-25 21:20 ` Linus Torvalds
2011-01-25 21:20 ` Linus Torvalds
2011-01-25 21:50 ` Dmitry Torokhov
2011-01-25 22:00 ` Mauro Carvalho Chehab
2011-01-25 22:22 ` Mark Lord
2011-01-25 23:29 ` Dmitry Torokhov
2011-01-26 2:00 ` Dmitry Torokhov
2011-01-26 11:26 ` Mauro Carvalho Chehab
2011-01-26 13:08 ` Gerd Hoffmann
2011-01-26 14:18 ` Mauro Carvalho Chehab
2011-01-26 14:52 ` Gerd Hoffmann
2011-01-26 16:46 ` Dmitry Torokhov
2011-01-26 16:51 ` Dmitry Torokhov
2011-01-26 17:29 ` Mauro Carvalho Chehab
2011-01-26 18:24 ` Dmitry Torokhov
2011-01-26 19:16 ` Gerd Hoffmann
2011-01-26 19:28 ` Mark Lord
2011-01-26 20:09 ` Gerd Hoffmann
2011-01-26 19:28 ` Mauro Carvalho Chehab
2011-01-26 19:32 ` Dmitry Torokhov
2011-01-26 20:07 ` Gerd Hoffmann
2011-01-26 19:27 ` Mark Lord
2011-01-26 14:58 ` Mark Lord
2011-01-26 17:41 ` Mauro Carvalho Chehab
2011-01-26 17:59 ` Dmitry Torokhov
2011-01-26 19:30 ` Mark Lord
2011-01-26 15:05 ` Mark Lord
2011-01-26 16:44 ` Dmitry Torokhov [this message]
2011-01-26 19:31 ` Mark Lord
2011-01-26 19:38 ` Dmitry Torokhov
2011-01-26 17:32 ` Mauro Carvalho Chehab
2011-01-26 19:33 ` Mark Lord
2011-01-26 19:41 ` Dmitry Torokhov
2011-01-26 19:47 ` Mark Lord
2011-01-26 19:50 ` Dmitry Torokhov
2011-01-26 21:41 ` Mark Lord
2011-01-26 21:49 ` Mark Lord
2011-01-26 22:07 ` Dmitry Torokhov
2011-01-26 22:04 ` Dmitry Torokhov
2011-01-27 1:01 ` Mark Lord
2011-01-27 1:07 ` Mark Lord
2011-01-27 2:12 ` Dmitry Torokhov
2011-01-27 3:18 ` Mark Lord
2011-01-27 6:38 ` Dmitry Torokhov
2011-01-27 10:30 ` Mauro Carvalho Chehab
2011-01-27 15:00 ` Mark Lord
2011-01-27 17:21 ` Dmitry Torokhov
2011-01-27 18:58 ` Mauro Carvalho Chehab
2011-01-28 9:39 ` Dmitry Torokhov
2011-01-28 11:55 ` Mauro Carvalho Chehab
2011-01-28 16:40 ` Dmitry Torokhov
2011-01-28 17:01 ` Mauro Carvalho Chehab
2011-01-28 17:33 ` Dmitry Torokhov
2011-01-28 18:15 ` Mauro Carvalho Chehab
2011-01-28 18:34 ` Dmitry Torokhov
2011-01-28 20:53 ` Mark Lord
2011-01-27 14:54 ` Mark Lord
2011-01-27 16:39 ` Dmitry Torokhov
2011-01-27 18:12 ` Mark Lord
2011-01-27 19:53 ` Dmitry Torokhov
2011-01-28 16:42 ` Dmitry Torokhov
2011-01-28 20:55 ` Mark Lord
2011-01-28 21:03 ` Mark Lord
2011-01-28 21:09 ` Dmitry Torokhov
2011-01-25 22:25 ` Linus Torvalds
2011-01-25 5:29 ` Dmitry Torokhov
2011-01-25 14:28 ` Mark Lord
2011-02-02 14:31 ` Chase Douglas
2011-02-02 16:58 ` Dmitry Torokhov
2011-02-02 20:00 ` Chase Douglas
2011-02-02 21:54 ` Mark Lord
2011-02-02 22:04 ` Dmitry Torokhov
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