From mboxrd@z Thu Jan 1 00:00:00 1970 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 E8250148314 for ; Thu, 3 Oct 2024 10:17:18 +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=1727950639; cv=none; b=pIF5c7hPeEN2rsjL1mipxXArzBV6JEx3UogmdPkTGHnXl8VSxfdWMtZr0VI+pFothaSmLu64pywMXFJUriNN8GCReWCf0CkwpAA7f95HOJ3G+g0g4XKqqeFBDznGo3bED0xLlv8N3VIa8YO94z5Bxn2HhJL78gq7hhHXxtai+Nw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727950639; c=relaxed/simple; bh=tlCuhZYN+CAOn6rN7eUSqTbUITdhBqilLKLpEurb0iY=; h=From:To:Subject:Date:Message-ID:Content-Type:MIME-Version; b=mCT4yaH+hNbCJ4IdhYGJ/t11Xk0vLujRMOQzicbnUV/gE/HMTO3qBuCA14A1vx4DHxU2opDa/NCTDazM9FQZZttBo4eTlYiZ0TSjXHz0oKDl1OkdUufBbQWPeh9BQH/HUmJ6bkTeFcqIpRM3SjX8dkdCasQbofJrHzBnDIIdx9Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=POfA+gB+; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="POfA+gB+" Received: by smtp.kernel.org (Postfix) with ESMTPS id 80465C4CEC7 for ; Thu, 3 Oct 2024 10:17:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1727950638; bh=tlCuhZYN+CAOn6rN7eUSqTbUITdhBqilLKLpEurb0iY=; h=From:To:Subject:Date:From; b=POfA+gB+mQgg81waHvlIrCURgNsm5ynLOaNG+qQFXRVcKHAMUWMsnWgpF7nYN889k /OMrH7CaRgoLBdVwp+ri9a7X7ifVLRsM6XWyRLhd4D9NGs3qDmeYOWE7AbGv2gXLOj +s0KCPSOXsyWLpXF//wrvkiYWprMjPQMTQzFD3017fyllpi2k7vq2Wei2cYLWqjKWx DdqPffmnii6A58ICWraLsIpJbaj+ftYQrh5icBPCId4ezOq+EBXdQ3ofNc+bGKRHc9 PE0zmCIB1S1C/OXJdwF8TzL5Qak7Oxjm/cE3aUSzdMvlZG2FrXanBvMVrvynwGkJPx 5f9/V4Z77nOyQ== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 6E34CC53BBF; Thu, 3 Oct 2024 10:17:18 +0000 (UTC) From: bugzilla-daemon@kernel.org To: platform-driver-x86@vger.kernel.org Subject: [Bug 219346] New: [BISECTED] Disable ACPI PM Timer breaks suspend on all Amber Lake machines Date: Thu, 03 Oct 2024 10:17:18 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: AssignedTo drivers_platform_x86@kernel-bugs.osdl.org X-Bugzilla-Product: Drivers X-Bugzilla-Component: Platform_x86 X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: high X-Bugzilla-Who: todd.e.brandt@intel.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: drivers_platform_x86@kernel-bugs.osdl.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter cc blocked cf_regression cf_bisect_commit Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated Precedence: bulk X-Mailing-List: platform-driver-x86@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 https://bugzilla.kernel.org/show_bug.cgi?id=3D219346 Bug ID: 219346 Summary: [BISECTED] Disable ACPI PM Timer breaks suspend on all Amber Lake machines Product: Drivers Version: 2.5 Hardware: All OS: Linux Status: NEW Severity: high Priority: P3 Component: Platform_x86 Assignee: drivers_platform_x86@kernel-bugs.osdl.org Reporter: todd.e.brandt@intel.com CC: jwrdegoede@fedoraproject.org Blocks: 178231 Regression: Yes Bisected e86c8186d03a6ba018e881ed45f0962ad553e861 commit-id: We have two amber lake machines in our lab that have started hanging on fre= eze in 6.12-rc1. I've bisected to this commit: commit e86c8186d03a6ba018e881ed45f0962ad553e861 (refs/bisect/bad) Author: Marek Maslanka Date: Mon Aug 12 18:42:00 2024 +0000 platform/x86:intel/pmc: Enable the ACPI PM Timer to be turned off when suspended Allow to disable ACPI PM Timer on suspend and enable on resume. A disabled timer helps optimise power consumption when the system is suspended. On resume the timer is only reactivated if it was activated prior to suspend, so unless the ACPI PM timer is enabled in the BIOS, this won't change anything. The ACPI PM timer is used by Intel's iTCO/wdat_wdt watchdog to drive the watchdog, so it doesn't need to run during suspend. Signed-off-by: Marek Maslanka Reviewed-by: Hans de Goede Link: https://lore.kernel.org/r/20240812184208.1080710-1-mmaslanka@google.com Signed-off-by: Daniel Lezcano I understand there may already be a potential fix in the pipeline but I'd l= ike to track this issue here. Referenced Bugs: https://bugzilla.kernel.org/show_bug.cgi?id=3D178231 [Bug 178231] Meta-bug: Linux suspend-to-mem and freeze performance optimiza= tion --=20 You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.=