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[2604:1380:45d1:ec00::1]) by mx.google.com with ESMTPS id 6a1803df08f44-6b04f6329a6si15788986d6.10.2024.06.06.06.39.20 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 Jun 2024 06:39:20 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-204385-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) client-ip=2604:1380:45d1:ec00::1; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=Id1O2Qkw; arc=pass (i=1 dkim=pass dkdomain=kernel.org); spf=pass (google.com: domain of linux-kernel+bounces-204385-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-204385-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id 3E6BE1C25C51 for ; Thu, 6 Jun 2024 13:39:20 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 1B7C9195FF6; Thu, 6 Jun 2024 13:39:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Id1O2Qkw" Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 3CB21195F10; Thu, 6 Jun 2024 13:39:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717681144; cv=none; b=Wu4HSIaGsH66CSXksDEbXv85+srBwr+baxvftE3F0EsHFwUlnnOwRPo09DI8AGMX2VT8hRh/Sg2k+P9p9aGXVHIraDr18VFpyDJcFPiSptIeKg2orcP8zJMEASz2wO3ij8gymaenSxOcfextMguMPx44kkI0UI4NmUmEmlBp/x0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717681144; c=relaxed/simple; bh=LJhHXwTof2ke/pYNJdYJXiWvVv487KuphHbWVEYAKLU=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=qE0qGPIAXsulob+p4xsLukkZffdwbGbb6xbNNI9sa03lhllKyVVssMbqymowbK6LwuKjuKtQN6O0sgfxH9x5ddAgcJdcaF6vIDCkM430bdb2APE/ZsLiw/0mJaBHOiXxTycwrsWGOxjyK7krnMj/DeEJLbd9f1qmcWVUiFJ4E4Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Id1O2Qkw; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6B3DBC2BD10; Thu, 6 Jun 2024 13:39:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1717681144; bh=LJhHXwTof2ke/pYNJdYJXiWvVv487KuphHbWVEYAKLU=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=Id1O2QkwmmLjokKffra2g3lVZqwo7wNsk0ZGfRDUMi+AOn1QwgWbq4u8TqlsO0D6/ LvU6eKHd5dIftwQKWaqiaqIQmN61Is9rXL/PaM9iNPBUEBqaQ8JIKi5124xDgdy/IN Ml5mWx8MCmXEhC4RCfj9iQ57ZTi5n61xhvVZEbiTj8ey814muHzi/uq2xwHp2pZYGN vybkA8tKQeK4nYuic46rQjyJBFdHbENdWP+APegPEbDT8aexZd0MB1V1mw/CZy3AXF c+q4QdpdzHgvI4VgmiBg3BkCXawV4i4iOZEMIICqiyoU05wPX4t0iBu6ItGGuLFmoj PJzROU1Qy2v1g== Date: Thu, 6 Jun 2024 06:39:02 -0700 From: Jakub Kicinski To: Andrew Lunn , Hans de Goede Cc: Linux regressions mailing list , Pavel Machek , Lee Jones , Linux LEDs , Heiner Kallweit , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, davem@davemloft.net, edumazet@google.com, pabeni@redhat.com, johanneswueller@gmail.com, "Russell King (Oracle)" , Genes Lists Subject: Re: Hung tasks due to a AB-BA deadlock between the leds_list_lock rwsem and the rtnl mutex Message-ID: <20240606063902.776794d4@kernel.org> In-Reply-To: References: <9d189ec329cfe68ed68699f314e191a10d4b5eda.camel@sapience.com> <15a0bbd24cd01bd0b60b7047958a2e3ab556ea6f.camel@sapience.com> <42d498fc-c95b-4441-b81a-aee4237d1c0d@leemhuis.info> <618601d8-f82a-402f-bf7f-831671d3d83f@redhat.com> <01fc2e30-eafe-495c-a62d-402903fd3e2a@lunn.ch> <9d821cea-507f-4674-809c-a4640119c435@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Thu, 6 Jun 2024 15:12:54 +0200 Andrew Lunn wrote: > > So it has been almost a week and no reply from Heiner. Since this is > > causing real issues for users out there I think a revert of 66601a29bb23 > > should be submitted to Linus and then backported to the stable kernels. > > to fix the immediate issue at hand. > > Agreed. Please submit..