linux-kernel - Re: [PATCH 1/1] Revert "fbdev: Disable sysfb device registration when removing conflicting FBs"

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Message-ID: <87frcuegb7.fsf@minerva.mail-host-address-is-not-set>
Date: Wed, 10 Sep 2025 12:46:04 +0200
From: Javier Martinez Canillas <javierm@...hat.com>
To: Brett A C Sheffield <bacs@...recast.net>, stable@...r.kernel.org
Cc: regressions@...ts.linux.dev, linux-kernel@...r.kernel.org,
 linux-fbdev@...r.kernel.org, dri-devel@...ts.freedesktop.org, Simona
 Vetter <simona@...ll.ch>, Helge Deller <deller@....de>, Thomas Zimmermann
 <tzimmermann@...e.de>, Lee Jones <lee@...nel.org>, Murad Masimov
 <m.masimov@...integration.ru>, Yongzhen Zhang <zhangyongzhen@...inos.cn>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Sasha Levin
 <sashal@...nel.org>, Brett A C Sheffield <bacs@...recast.net>
Subject: Re: [PATCH 1/1] Revert "fbdev: Disable sysfb device registration
 when removing conflicting FBs"

Brett A C Sheffield <bacs@...recast.net> writes:

Hello Brett,

> This reverts commit 13d28e0c79cbf69fc6f145767af66905586c1249.
>
> Commit ee7a69aa38d8 ("fbdev: Disable sysfb device registration when
> removing conflicting FBs") was backported to 5.15.y LTS. This causes a
> regression where all virtual consoles stop responding during boot at:
>
> "Populating /dev with existing devices through uevents ..."
>
> Reverting the commit fixes the regression.
>
> Signed-off-by: Brett A C Sheffield <bacs@...recast.net>
> ---

In the other email you said:

> Newer stable kernels with this
> patch (6.1.y, 6.6.y, 6.12,y, 6.15.y, 6.16.y) and mainline are unaffected.

But are you proposing to revert the mentioned commit in mainline too
or just in the 5.15.y LTS tree ?

-- 
Best regards,

Javier Martinez Canillas
Core Platforms
Red Hat