linux-kernel - Re: Requesting your attention and expertise regarding a Tablet/Kernel issue

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Message-ID: <ZULw6AcBaD6z2UZA@debian.me>
Date:   Thu, 2 Nov 2023 07:44:24 +0700
From:   Bagas Sanjaya <bagasdotme@...il.com>
To:     Jiri Kosina <jkosina@...e.cz>,
        David Revoy <davidrevoy@...tonmail.com>
Cc:     "jason.gerecke@...om.com" <jason.gerecke@...om.com>,
        "jose.exposito89@...il.com" <jose.exposito89@...il.com>,
        "ilya.ostapyshyn@...il.com" <ilya.ostapyshyn@...il.com>,
        Nils Fuhler <nils@...sfuhler.de>,
        Ping Cheng <ping.cheng@...om.com>,
        Peter Hutterer <peter.hutterer@...-t.net>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Input Devices <linux-input@...r.kernel.org>,
        Linux Regressions <regressions@...ts.linux.dev>
Subject: Re: Requesting your attention and expertise regarding a
 Tablet/Kernel issue

On Wed, Nov 01, 2023 at 08:37:40PM +0100, Jiri Kosina wrote:
> On Wed, 1 Nov 2023, David Revoy wrote:
> 
> > Hi Jason Gerecke, José Expósito, Jiri Kosina and Illia Ostapyshyn,
> > 
> > I am emailing to draw your attention and expertise to a problem I had 
> > earlier this week with my Xp-Pen Artist 24 Pro display tablet under 
> > Fedora Linux 38 KDE after a kernel update.
> > 
> > The second button on my stylus changed from a right-click (which I could 
> > customise with xsetwacom or any GUI like kcm-tablet) to a button that 
> > feels 'hardcoded' and now switches the whole device to an eraser mode. 
> > This makes my main tool unusable.
> > 
> > I don't have the skills to write a proper kernel bug report, workaround 
> > or even identify the exact source of the issue. I have written a blog 
> > post about this with more details here: 
> > https://www.davidrevoy.com/article995/how-a-kernel-update-broke-my-stylus-need-help 
> > , contacting you was something suggested by the comments.
> > 
> > Thank you very much if you can help me.
> 
> CCing a couple more people involved both in 276e14e6c3 and 87562fcd1342, 
> and mailinglists.
> 
> This is almost certainly the behavior introduced by 276e14e6c3, where 
> previously the button was mapped to BTN_TOUCH, but now it's mapped to 
> BTN_TOOL_RUBBER, causing user-visible change in behavior.
> 

Thanks for the report.

David, can you resend the regression report as plain text email (preferably
with 276e14e6c3 people and regressions@...ts.linux.dev Cc'ed)? You may need to
see kernel documentation [1] for how to configure your email client to send
plain text emails. Also, include in your report details from your blog post.

Thanks.

[1]: https://docs.kernel.org/process/email-clients.html

-- 
An old man doll... just what I always wanted! - Clara

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