linux-kernel - Re: BUG: Circular locking dependency on netdev led trigger on NanoPi R5S

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Message-Id: <DBQ6ISOKV0XR.22W3OAALUKIHQ@cknow.org>
Date: Thu, 31 Jul 2025 12:47:31 +0200
From: "Diederik de Haas" <didi.debian@...ow.org>
To: "Dragan Simic" <dsimic@...jaro.org>, "Robin Murphy"
 <robin.murphy@....com>
Cc: "Lee Jones" <lee@...nel.org>, "Pavel Machek" <pavel@...nel.org>, "Andrew
 Lunn" <andrew+netdev@...n.ch>, "David S. Miller" <davem@...emloft.net>,
 "Eric Dumazet" <edumazet@...gle.com>, "Jakub Kicinski" <kuba@...nel.org>,
 "Paolo Abeni" <pabeni@...hat.com>, <linux-leds@...r.kernel.org>,
 <netdev@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
 <linux-rockchip@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: Re: BUG: Circular locking dependency on netdev led trigger on
 NanoPi R5S

On Wed Jul 30, 2025 at 9:50 PM CEST, Dragan Simic wrote:
> I've spent some time digging through the LED subsystem, which I'm
> already somewhat familiar with, and I think I've narrowed down the
> root cause of this deadlock.
>
> I'll send a preliminary patch soon, after I make sure that the root
> cause is identified correctly, and I hope Diederik will be willing
> to test the patch.  If so, and if the patch checks out to be the
> cure, I'll prepare and submit a proper patch, of course.

Sure, but AFAIC you can send it to the ML(s) directly as well.
Please do CC me as I'm only subscribed to the linux-rockchip ML.

Cheers,
  Diederik

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