linux-kernel - Re: [REGRESSION] samsung,coreprimevelte oops and lockup while probing SM5504

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Message-ID: <CAMRc=McizcAXjr9VNOQnga0P8HJ9aR+X7njnSPMb4Bc9GU7GiA@mail.gmail.com>
Date: Tue, 29 Jul 2025 21:09:58 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Duje Mihanović <duje@...emihanovic.xyz>, 
	Peng Fan <peng.fan@....com>
Cc: Robert Jarzmik <robert.jarzmik@...e.fr>, Linus Walleij <linus.walleij@...aro.org>, 
	linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, 
	regressions@...ts.linux.dev, Karel Balej <balejk@...fyz.cz>
Subject: Re: [REGRESSION] samsung,coreprimevelte oops and lockup while probing SM5504

On Tue, Jul 29, 2025 at 4:48 PM Duje Mihanović <duje@...emihanovic.xyz> wrote:
>
> Hello,
>
> Friendly ping on this issue. The issue still occurs on v6.16 and is still
> fixed by reverting commit 20117cf426b6. I have found that the root cause seems
> to be a bad pointer in gpio_chip->gpio_device.owner, but was not able to
> figure out why this happens nor why this only happens when the IRQ chip is
> immutable. Is there anything else I can do to try and get this resolved?
>

Peng: could you please look into this? I don't have a better idea at
this time than to revert this commit otherwise.

Bart