From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: Chow Loong Jin <hyperair@ubuntu.com>
Cc: linux-input@vger.kernel.org
Subject: Re: Thinkpad Edge E220S trackpoint detection [was: Re: Lenovo X220 Touchpad + Trackpoint BIOS issue workaround ?]
Date: Tue, 4 Oct 2011 23:56:28 -0700 [thread overview]
Message-ID: <20111005065627.GB11260@core.coreip.homeip.net> (raw)
In-Reply-To: <4E8ADD98.5000402@ubuntu.com>
Hi Loong Jin,
On Tue, Oct 04, 2011 at 06:19:04PM +0800, Chow Loong Jin wrote:
> Hi Dmitry,
>
> I was reading through the linux-input thread (as mentioned in the subject)
> regarding trackpoint detection, and noticed that it bore an uncanny resemblence
> to the issue I'm currently having with my Thinkpad Edge E220S. I'll summarize
> the situation on my E220S here, which I believe to be more or less the same as
> the situation on the X220:
> - Main device is a Synaptics touchpad/
> - Trackpoint exists as a passthrough device/
> - Trackpoint not detected until first resynchronization happens.
> - Loss of sync can be triggered by moving the (undetected) trackpoint/
>
> There seems to be a slight difference here though, in that I can't disable the
> trackpoint or touchpad in my BIOS.
>
> I noticed that you requested for the full i8042.debug output, so I looked into
> doing just that, using the following steps:
> 1. rmmod psmouse
> 2. echo 1 > /sys/module/i8042/parameters/debug
> 3. modprobe psmouse
> 4. wait for i8042 to settle and stop spewing messages
> 5. move the trackpoint a bit.
> 6. wait for i8042 to settle and stop spewing messages again.
>
> I have attached two snippets of /var/log/kern.log files to this email:
> - modprobe-psmouse-until-settle.log: The log output between steps #3 and #4.
> - touch-trackpoint-until-settle2.log: The log output between steps #5 and #6.
>
It looks like you forgot to actually attached the files...
--
Dmitry
next prev parent reply other threads:[~2011-10-05 6:56 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-04 10:19 Thinkpad Edge E220S trackpoint detection [was: Re: Lenovo X220 Touchpad + Trackpoint BIOS issue workaround ?] Chow Loong Jin
2011-10-04 10:21 ` Chow Loong Jin
2011-10-05 6:56 ` Dmitry Torokhov [this message]
[not found] ` <4E8C2AEA.2090503@ubuntu.com>
2011-10-21 6:50 ` Chow Loong Jin
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