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From: "Luca Ceresoli" <luca.ceresoli@bootlin.com>
To: "Luca Ceresoli" <luca.ceresoli@bootlin.com>,
	"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: Fri, 17 Oct 2025 18:21:35 +0200	[thread overview]
Message-ID: <DDKQH2MIHZ2S.2MPJCNHXMIT4U@bootlin.com> (raw)
In-Reply-To: <DDJSBQRQJTMZ.X1W4I5YOURPK@bootlin.com>

Hello,

On Thu Oct 16, 2025 at 3:36 PM CEST, Luca Ceresoli wrote:
> 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.

Here's the fixed version:
https://lore.kernel.org/lkml/20251017-drm-bridge-alloc-getput-bridge-connector-fix-hdmi_cec-v2-0-667abf6d47c0@bootlin.com/

Luca

--
Luca Ceresoli, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

      reply	other threads:[~2025-10-17 16:21 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
2025-10-17 16:21     ` Luca Ceresoli [this message]

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