From: "Luca Ceresoli" <luca.ceresoli@bootlin.com>
To: "Naresh Kamboju" <naresh.kamboju@linaro.org>,
<dri-devel@lists.freedesktop.org>,
"open list" <linux-kernel@vger.kernel.org>,
<lkft-triage@lists.linaro.org>,
"Linux Regressions" <regressions@lists.linux.dev>
Cc: "Dmitry Baryshkov" <dmitry.baryshkov@oss.qualcomm.com>,
"Simona Vetter" <simona@ffwll.ch>,
"David Airlie" <airlied@gmail.com>,
"Maxime Ripard" <mripard@kernel.org>,
"Arnd Bergmann" <arnd@arndb.de>,
"Dan Carpenter" <dan.carpenter@linaro.org>,
"Anders Roxell" <anders.roxell@linaro.org>,
"Ben Copeland" <benjamin.copeland@linaro.org>
Subject: Re: next-20251014: Internal error: Oops: drm_bridge_connector_hdmi_cec_init drmm_connector_hdmi_cec_register
Date: Thu, 16 Oct 2025 15:36:00 +0200 [thread overview]
Message-ID: <DDJSBQRQJTMZ.X1W4I5YOURPK@bootlin.com> (raw)
In-Reply-To: <CA+G9fYv_mGoDzFv33v7Y5+6yz6z=xp9FJRiFUBYDapvE_rrBXA@mail.gmail.com>
Hello Naresh,
On Thu Oct 16, 2025 at 12:52 PM CEST, Naresh Kamboju wrote:
> On Thu, 16 Oct 2025 at 16:14, Naresh Kamboju <naresh.kamboju@linaro.org> wrote:
>>
>> While booting and loading kernel modules on dragonboard 410c board
>> with Linux next
>> kernel next-20251014 and next-20251015 the following crash noticed,
>>
>> First seen on next-20251014
>> Good: next-20251013
>> Bad: next-20251014
>>
>> Regression Analysis:
>> - New regression? yes
>> - Reproducibility? yes
>>
>> Boot regressions: next-20251014: Internal error: Oops:
>> drm_bridge_connector_hdmi_cec_init drmm_connector_hdmi_cec_register
Thanks for the report.
This looks like the same issue reported here:
https://lore.kernel.org/all/336fbfdd-c424-490e-b5d1-8ee84043dc80@samsung.com/
I'm writing a fix right now, will send it today if all goes well.
> These three patches landed recently,
> $ git log --oneline next-20251013..next-20251014
> drivers/gpu/drm/display/drm_bridge_connector.c
> 2be300f9a0b6f drm/display: bridge_connector: get/put the stored bridges
^ This is the commit introducing the bug.
Best regards,
Luca
--
Luca Ceresoli, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
next prev parent reply other threads:[~2025-10-16 13:36 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-16 10:44 next-20251014: Internal error: Oops: drm_bridge_connector_hdmi_cec_init drmm_connector_hdmi_cec_register Naresh Kamboju
2025-10-16 10:52 ` Naresh Kamboju
2025-10-16 13:36 ` Luca Ceresoli [this message]
2025-10-17 16:21 ` Luca Ceresoli
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=DDJSBQRQJTMZ.X1W4I5YOURPK@bootlin.com \
--to=luca.ceresoli@bootlin.com \
--cc=airlied@gmail.com \
--cc=anders.roxell@linaro.org \
--cc=arnd@arndb.de \
--cc=benjamin.copeland@linaro.org \
--cc=dan.carpenter@linaro.org \
--cc=dmitry.baryshkov@oss.qualcomm.com \
--cc=dri-devel@lists.freedesktop.org \
--cc=linux-kernel@vger.kernel.org \
--cc=lkft-triage@lists.linaro.org \
--cc=mripard@kernel.org \
--cc=naresh.kamboju@linaro.org \
--cc=regressions@lists.linux.dev \
--cc=simona@ffwll.ch \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.