From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-188.mta0.migadu.com (out-188.mta0.migadu.com [91.218.175.188]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BA235202F7C for ; Thu, 31 Jul 2025 10:48:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.188 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753958884; cv=none; b=FoyA+Jf1EYkYZSNdtGsVvQdOIXGyM0cpJBK61nxDzhsQDoW6hTaQdglytGyth2Ycpq6823mqTuFEWmD/kSm8nnCoxIGUecYUDY5dw0Oa7M/Ti992rkB+xHBN5M/fl0Si3/jNfUouaK/8Hhcl88Bk9yCjdtm1FMrLVZRSoKxOKFc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753958884; c=relaxed/simple; bh=2JOs8JbCsum8xwijma+QwLKZoL2qTSgFarQTf7xvGJE=; h=Mime-Version:Content-Type:Date:Message-Id:Cc:Subject:From:To: References:In-Reply-To; b=c522/C882HS1AcBWNnCJtvY+DpE06WJoSeCgwb8VnjP92Y3K4It53c5BgdXdTmDqm1wlNbNrXZF8UERlspNjszvTEC03XJJhHfZCDh56vVDJUiGZxz+EMXTQ5r0m+dMa+L1sXYTWtHu9Katv8GNslGLqIwxmbn/TFjs4zJkRJgw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=cknow.org; spf=pass smtp.mailfrom=cknow.org; dkim=pass (2048-bit key) header.d=cknow.org header.i=@cknow.org header.b=qIN3qzqy; arc=none smtp.client-ip=91.218.175.188 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=cknow.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=cknow.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=cknow.org header.i=@cknow.org header.b="qIN3qzqy" Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cknow.org; s=key1; t=1753958869; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=4odthgpL669trIYuGSc79a2PbDMDTzqM0a0YUOGgrG4=; b=qIN3qzqyLEa3z9iZDs4OBiMyEkwfOUm9Rgo0ugEyNNN9bQxGrV7mMmEe7UJSpU2oEYInKA kXO5MgJsKXAsjT/ZVYgAxzSdHgrLstMXufy/zJIML0jm1K5GcgSCskrDrRb1VPkibOvLqX yQhgIv7EQHp3NYwluIZ2zZ40zpaT0sYyEEoeQkqEfwB3jG4nuJDmd9BNp2PnTkkXn/aTq8 mD49PYVQmnTWzczEcBPucD9wKrC+VJzmCo0/J6NFqq9x4FvnWon/5NljRHsntow0ithW7Q Gi/6M3de/t7h9ADLPGf5p2lYEQ2U8QFdPaK0Ew6QE8v9wQyJswlZbZroRG48Vw== Content-Type: multipart/signed; boundary=0b38981bb829eebfafe48a04f99efa1bdb4b30b7bde156f6b84f4be44d26; micalg=pgp-sha512; protocol="application/pgp-signature" Date: Thu, 31 Jul 2025 12:47:31 +0200 Message-Id: Cc: "Lee Jones" , "Pavel Machek" , "Andrew Lunn" , "David S. Miller" , "Eric Dumazet" , "Jakub Kicinski" , "Paolo Abeni" , , , , , Subject: Re: BUG: Circular locking dependency on netdev led trigger on NanoPi R5S X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: "Diederik de Haas" To: "Dragan Simic" , "Robin Murphy" References: <6817efe1-f2c2-4686-bdf1-fca11f066e3a@arm.com> <475ee9ae8cdca5ce86b708fe0ade7c9d@manjaro.org> In-Reply-To: <475ee9ae8cdca5ce86b708fe0ade7c9d@manjaro.org> X-Migadu-Flow: FLOW_OUT --0b38981bb829eebfafe48a04f99efa1bdb4b30b7bde156f6b84f4be44d26 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 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 --0b38981bb829eebfafe48a04f99efa1bdb4b30b7bde156f6b84f4be44d26 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQT1sUPBYsyGmi4usy/XblvOeH7bbgUCaItJxQAKCRDXblvOeH7b bi5gAQCxYSZt1DjQ/NWu1cowGv/jz0IMEd2jlu0r9jnSjHLQuAEAo0Kmyapy/Pgp ro+OUyTrc2A4aBmU2frzWFW+zmcZtAc= =jZT0 -----END PGP SIGNATURE----- --0b38981bb829eebfafe48a04f99efa1bdb4b30b7bde156f6b84f4be44d26--