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: Thu, 27 Jan 2011 08:39:31 -0800 [thread overview]
Message-ID: <20110127163931.GA1825@core.coreip.homeip.net> (raw)
In-Reply-To: <4D40E41D.2030003@teksavvy.com>
On Wed, Jan 26, 2011 at 10:18:53PM -0500, Mark Lord wrote:
> On 11-01-26 09:12 PM, Dmitry Torokhov wrote:
> > On Wed, Jan 26, 2011 at 08:07:29PM -0500, Mark Lord wrote:
> >> On 11-01-26 08:01 PM, Mark Lord wrote:
> >>> On 11-01-26 10:05 AM, Mark Lord wrote:
> >>>> On 11-01-25 09:00 PM, Dmitry Torokhov wrote:
> >>> ..
> >>>>> I wonder if the patch below is all that is needed...
> >>>>
> >>>> Nope. Does not work here:
> >>>>
> >>>> $ lsinput
> >>>> protocol version mismatch (expected 65536, got 65537)
> >>>>
> >>>
> >>> Heh.. I just noticed something *new* in the bootlogs on my system:
> >>>
> >>> kernel: Registered IR keymap rc-rc5-tv
> >>> udevd-event[6438]: run_program: '/usr/bin/ir-keytable' abnormal exit
> >>> kernel: input: i2c IR (Hauppauge) as /devices/virtual/rc/rc0/input7
> >>> kernel: ir-keytable[6439]: segfault at 8 ip 00000000004012d2 sp 00007fff6d43ca60
> >>> error 4 in ir-keytable[400000+7000]
> >>> kernel: rc0: i2c IR (Hauppauge) as /devices/virtual/rc/rc0
> >>> kernel: ir-kbd-i2c: i2c IR (Hauppauge) detected at i2c-0/0-0018/ir0 [ivtv i2c
> >>> driver #0]
> >>>
> >>> That's udev invoking ir-keyboard when the ir-kbd-i2c kernel module is loaded,
> >>> and that is also ir-keyboard (userspace) segfaulting when run.
> >>
> >> Note: I tried to capture an strace of ir-keyboard segfaulting during boot
> >> (as above), but doing so kills the system (hangs on boot).
> >>
> >> The command from udev was: /usr/bin/ir-keytable -a /etc/rc_maps.cfg -s rc0
> >
> > Does it die when you try to invoke the command by hand? Can you see where?
>
>
> No, it does not seem to segfault when I unload/reload ir-kbd-i2c
> and then invoke it by hand with the same parameters.
> Quite possibly the environment is different when udev invokes it,
> and my strace attempt with udev killed the system, so no info there.
>
Hmm, what about compiling with debug and getting a core then?
--
Dmitry
next prev parent reply other threads:[~2011-01-27 16:39 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
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 [this message]
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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