From: Sasha Levin <sashal@kernel.org>
To: Brett A C Sheffield <bacs@librecast.net>
Cc: Javier Martinez Canillas <javierm@redhat.com>,
stable@vger.kernel.org, regressions@lists.linux.dev,
linux-kernel@vger.kernel.org, linux-fbdev@vger.kernel.org,
dri-devel@lists.freedesktop.org, Simona Vetter <simona@ffwll.ch>,
Helge Deller <deller@gmx.de>,
Thomas Zimmermann <tzimmermann@suse.de>,
Lee Jones <lee@kernel.org>,
Murad Masimov <m.masimov@mt-integration.ru>,
Yongzhen Zhang <zhangyongzhen@kylinos.cn>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: Re: [PATCH 1/1] Revert "fbdev: Disable sysfb device registration when removing conflicting FBs"
Date: Wed, 10 Sep 2025 07:01:39 -0400 [thread overview]
Message-ID: <aMFak8Oj-UoCrgBH@laps> (raw)
In-Reply-To: <aMFYeV4UdD7NnrSC@karahi.gladserv.com>
On Wed, Sep 10, 2025 at 12:52:41PM +0200, Brett A C Sheffield wrote:
>On 2025-09-10 12:46, Javier Martinez Canillas wrote:
>> Brett A C Sheffield <bacs@librecast.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@librecast.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 ?
>
>Only the 5.15.y tree. Sorry - that could have been clearer. There's no
>regression anywhere else. Mainline and other stable kernels are all ok.
Thanks for investigating this! I'll queue it up for 5.15.
--
Thanks,
Sasha
next prev parent reply other threads:[~2025-09-10 11:01 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-10 9:38 [REGRESSION 5.15.y][BISECTED][PATCH 0/1] console hangs at uevents Brett A C Sheffield
2025-09-10 9:38 ` [PATCH 1/1] Revert "fbdev: Disable sysfb device registration when removing conflicting FBs" Brett A C Sheffield
2025-09-10 10:46 ` Javier Martinez Canillas
2025-09-10 10:52 ` Brett A C Sheffield
2025-09-10 11:01 ` Sasha Levin [this message]
2025-09-10 11:09 ` Javier Martinez Canillas
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