From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f45.google.com (mail-pj1-f45.google.com [209.85.216.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8AF213D9E; Sun, 27 Oct 2024 02:15:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.45 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729995341; cv=none; b=o+9SOcLauaOD+N/fx8A+kBebWZ79sBViYHm5ZoSlXTxE1+2iscb0loEMxt/UTEb8mq5dmZbE9OnPrim6pOwv78uhGAVw2HddqzeLzU/4t7a7zhl0gt8JpDgK+FUKkKh/BEB5i3xtI0V3VAI6NcYYJKlS+ZTNY+dRIXwpKP5uJ2A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729995341; c=relaxed/simple; bh=hxyYesuKW8UwIewwsEyAhRB8GZYN0soW/MiwfKG+nlM=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=cDPQPA68Pa8ogAnc+iTqzkpGn62BlUh3jqqxWd0kYIdU1nGO0PCgeURv8qov0Inf5Spg6Wxh7KYj29gj5Gtd8WeKzuod6RBcGIxUuOr0VHrbrwu162A2Rhm9AvJ+53vE5mhYgEqDtWFV9Z1Zp7V/IGpIikfxUltw4aDgLKY9Gno= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=LWEk783Q; arc=none smtp.client-ip=209.85.216.45 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="LWEk783Q" Received: by mail-pj1-f45.google.com with SMTP id 98e67ed59e1d1-2e2b549799eso2402249a91.3; Sat, 26 Oct 2024 19:15:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1729995339; x=1730600139; darn=vger.kernel.org; h=content-disposition:mime-version:message-id:subject:cc:to:from:date :from:to:cc:subject:date:message-id:reply-to; bh=kn7556O2AaB8qeM5FvO18kqRJQd5qATE5xO+xdeHALg=; b=LWEk783QE3qHZtortmxS92pfnvms7D8I89gXWKOR4zMw14mQpO7nipn8rb6f98Wko7 fzCva+amTAV/cFoPai0aNsgyudKY7/ZoD02Y/MWkFojztXWVomqKHegH1LM77bU9aE9s wUmlK35wIhvZQaTKIDMkAcORg/lV1ey8FJ3QjhvRVKsi3FdtIjAhf5SGouqXQVKy1aIJ QDlC/r8bYEX1Hu9WBsSa/dL4u1XWKZOjy7nSQp0vJPcrsVJE54jpJk7OWszWDur8btF3 G5u064PGHPYsDXXBA0pH+9QslAXCCJrwnYAfbyCwFH/gSMIsDEjfI53/iSOnwGhEp3yb vlpQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729995339; x=1730600139; h=content-disposition:mime-version:message-id:subject:cc:to:from:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=kn7556O2AaB8qeM5FvO18kqRJQd5qATE5xO+xdeHALg=; b=wMmY8wndX4t4BHfn3AmmvxEbQupvZq5sBITQ3V4KQZ4s7aitqzqs4sLaBVvKM9GY7T URt/S0Y/t1kqGmgN44z2rQix3GUSo7+3xE2+LEYO5U9u0Et3kxmeZTn/Af9cL5mzAtxL 5Gv+OJeJbd/sra9prXPpgox0ZQ6w/bf7lS05KdJZiNP+IwZu8rucXwNHQIhXjdoNxIjl 2YXCuRHE6MZxgqLUyo+/X6OQ6SSyTd4AnIgJ+f6ft+L1/SYMbn8MQqH+xhrt2HKYHk+l mH8aFvVn/FjiIeWnK0izs3K+enPTRxwvFnH84hlW7ytUgqhMsvPR5S/RKdCKeARLcovu OOyQ== X-Forwarded-Encrypted: i=1; AJvYcCWzNNK77N+TwTzK0qTB5TQsA1XCNjgHd/smSdTjzJ6l8LJ8QWNYczh4TV4kIA/HzFKC3uo/O/6GGxUyljs=@vger.kernel.org X-Gm-Message-State: AOJu0YzzbtU0g9wiJ9jl1+dPBkYqupxzMrsF3sn7RmQKitBX8q3CaSXq DT4mw3BHesgo9CW67aBqSINfLUCm4dj2eg3CwDLwFM5l8Og1DyHI X-Google-Smtp-Source: AGHT+IENEg89SvDTJCqpYtjzefuJS1rHwhjH3fDPuTP5uGu9fpxx8xMfiIHHToJFRdh1bmKSuWC1JQ== X-Received: by 2002:a17:90a:f301:b0:2e2:b211:a4da with SMTP id 98e67ed59e1d1-2e8f1070126mr4604251a91.14.1729995338616; Sat, 26 Oct 2024 19:15:38 -0700 (PDT) Received: from xavtug (2603-9008-1600-2265-a236-bcff-feba-a919.inf6.spectrum.com. [2603:9008:1600:2265:a236:bcff:feba:a919]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2e77e4e631esm6201983a91.27.2024.10.26.19.15.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 26 Oct 2024 19:15:38 -0700 (PDT) Date: Sat, 26 Oct 2024 19:15:30 -0700 From: "Ned T. Crigler" To: Dmitry Torokhov Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, regressions@lists.linux.dev Subject: [REGRESSION] disabling and re-enabling magic sysrq fails after kernel 6.11 Message-ID: Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi, It looks like starting with kernel 6.11, disabling and re-enabling magic sysrq fails with these errors in dmesg: kernel: input: input_handler_check_methods: only one event processing method can be defined (sysrq) kernel: sysrq: Failed to register input handler, error -22 after doing: # echo 0 > /proc/sys/kernel/sysrq # echo 438 > /proc/sys/kernel/sysrq # echo 0 > /proc/sys/kernel/sysrq # echo 438 > /proc/sys/kernel/sysrq # echo 0 > /proc/sys/kernel/sysrq # echo 438 > /proc/sys/kernel/sysrq -- Ned T. Crigler