linux-kernel - [regression] Bug 217182 - Dell Latitude E7450 Trackpoint not working as expected

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Message-ID: <6625ee0a-31a7-9fef-d299-457c0f98f5a0@leemhuis.info>
Date:   Mon, 13 Mar 2023 11:20:14 +0100
From:   "Linux regression tracking (Thorsten Leemhuis)" 
        <regressions@...mhuis.info>
To:     Pali Rohár <pali@...nel.org>
Cc:     Steffen <wiesenbergsteffen+lxkernel@...il.com>,
        Linux kernel regressions list <regressions@...ts.linux.dev>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        "open list:HID CORE LAYER" <linux-input@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: [regression] Bug 217182 - Dell Latitude E7450 Trackpoint not working
 as expected

Hi, Thorsten here, the Linux kernel's regression tracker.

I noticed a regression report in bugzilla.kernel.org. As many (most?)
kernel developer don't keep an eye on it, I decided to forward it by
mail. Quoting from https://bugzilla.kernel.org/show_bug.cgi?id=217182 :

>  Steffen 2023-03-12 11:17:02 UTC
> 
> Hi,
> I'm new to this bug tracking system and just a user, not a developer.
> 
> I use a Dell Latitude E7450 running with the Debian unstable based
> distribution Siduction.
> After upgrading to Linux kernel 6.2.x the Trackpoint does not work
> anymore as expected. It uses an Alps PS/2 DualPoint Stick.
> Even slight touches in any direction send the cursor to the top right
> corner of the screen where it stays regardless of actual pointer
> movement. This also appears in console mode. One can retrieve the
> pointer again with the touchpad, but I'm more precise with the
> Trackpoint and prefer using that.
> The Trackpoint works well in kernel 6.1.14
> Can somebody help?

See the ticket for more details.

[TLDR for the rest of this mail: I'm adding this report to the list of
tracked Linux kernel regressions; the text you find below is based on a
few templates paragraphs you might have encountered already in similar
form.]

BTW, let me use this mail to also add the report to the list of tracked
regressions to ensure it's doesn't fall through the cracks:

#regzbot introduced: v6.1..v6.2
https://bugzilla.kernel.org/show_bug.cgi?id=217182
#regzbot title: input: alps: Dell Latitude E7450 Trackpoint acting up
#regzbot ignore-activity

This isn't a regression? This issue or a fix for it are already
discussed somewhere else? It was fixed already? You want to clarify when
the regression started to happen? Or point out I got the title or
something else totally wrong? Then just reply and tell me -- ideally
while also telling regzbot about it, as explained by the page listed in
the footer of this mail.

Developers: When fixing the issue, remember to add 'Link:' tags pointing
to the report (e.g. the buzgzilla ticket and maybe this mail as well, if
this thread sees some discussion). See page linked in footer for details.

Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
--
Everything you wanna know about Linux kernel regression tracking:
https://linux-regtracking.leemhuis.info/about/#tldr
If I did something stupid, please tell me, as explained on that page.