From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail1.merlins.org (magic.merlins.org [209.81.13.136]) (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 F1DB74437C for ; Sun, 1 Jun 2025 14:23:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.81.13.136 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748787827; cv=none; b=tuoN3BLMiUFXTEaIYCI+LHpSl2MCJ5krzGMRD4rYbNRhRP+MV1tDk6HJD1cPVGCDjv48K6XLRoiF+wQd8P2s5Yqrrw/dDt4VCh3P1TIqlURiAQlJu2ziZKzk7Q4JKMgOCHJ6WfyV6BcEgswKnjUtcubygWOPFkha0e9LuK6rqkY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748787827; c=relaxed/simple; bh=QPFwFiDNeaFTW/ChjiUJY6t3Mpgyd+/uyJeElBr8e0c=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=A7SeKa98H95atclu/HKpKIonXEcDv5LcbPGuPBzC1SmXcAb2zYk7h9O/J+SyNDsqq6ZH6pmVnKhA5czf3Q4V7+pg+WfiAOQeuRbDZ1IT6F0GUMP3cD6I5yolNUuj2+e7uSIwijS54eX3AoA2Hr1FBxfc1EaH2QWNzKVWIEkQdKI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=merlins.org; spf=pass smtp.mailfrom=merlins.org; dkim=fail (0-bit key) header.d=merlins.org header.i=@merlins.org header.b=b7IR2FiI reason="key not found in DNS"; arc=none smtp.client-ip=209.81.13.136 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=merlins.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=merlins.org Authentication-Results: smtp.subspace.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=merlins.org header.i=@merlins.org header.b="b7IR2FiI" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=merlins.org ; s=key; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=ntBn5HB9KIKPCtMmBAu0MCGnMuUrciX6HHTacvrxTyA=; b=b7IR2FiIMV4sREK9WRMsGF3pLJ XVXCyKsgUANkjTCt2naoGkKeIj6P4D9lGRwU1ZBNRFOq9JAhH/fLWDcpGbLMlHq0thrW4lUbtiN52 OQgDbmXsBAjjdUATvAtqNN9yKNKTxk+R5gQiH+0MC2wwDbMZducthNYac8WgsO3OqqeoxQHDsuHw3 2Q7nYPpr6st9Bky1IVg6j1EKbWSdsctAz3mesW6e6VkgX16TWbdhz+masZJmHnEFI02BYpG8Svm/J dCLVX2MhINYwBLHoX6Fk9zvoU2Vs7XeyKQH5WMWbyHZmMuEfWtIzJxcUZvgq7BAhe1bx3Px6E3C/c v19IO0SA==; Received: from c-24-4-65-180.hsd1.ca.comcast.net ([24.4.65.180]:52690 helo=sauron.svh.merlins.org) by mail1.merlins.org with esmtpsa (Cipher TLS1.3:ECDHE_SECP256R1__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.94.2 #2) id 1uLi5X-0007KG-WA by authid with srv_auth_plain; Sun, 01 Jun 2025 07:23:28 -0700 Received: from merlin by sauron.svh.merlins.org with local (Exim 4.96) (envelope-from ) id 1uLjay-003Pzp-08; Sun, 01 Jun 2025 07:23:28 -0700 Date: Sun, 1 Jun 2025 07:23:28 -0700 From: Marc MERLIN To: Theodore Ts'o Cc: linux-acpi@vger.kernel.org Subject: Re: s2idle on kdell xps 9730 does go to sleep but laptop is warm Message-ID: References: <20250531231626.GB179983@mit.edu> Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250531231626.GB179983@mit.edu> X-Sysadmin: BOFH X-URL: http://marc.merlins.org/ X-SA-Exim-Connect-IP: 24.4.65.180 X-SA-Exim-Mail-From: marc@merlins.org On Sat, May 31, 2025 at 07:16:26PM -0400, Theodore Ts'o wrote: > On Sat, May 31, 2025 at 02:26:32PM -0700, Marc MERLIN wrote: > > This is still a problem. Is there more info I can provide? For now it's > > bad enough that I can't have the battery be in S3 sleep for 24H without > > the batteries running out :-/ > > I believe what is going on is that on more modern systems, it relies > on the OS's drivers to power done various peripherals (e.g., graphics, > SSD's, etc.) and this is no longer being done by the low-level > firmware. With Linux the CPU is put to sleep, but there's a lot more > on a modern mainboard than just the CPU.... Hi Ted, nice to hear from you. Yes, I agree that what you wrote totally matches my experience and the reason why the laptop was so warm, even in sleep mode. So, given that this is not a new problem, are there any new options in linux drivers and/or kernel options to have linux do this (shut down each subsystem)? Thanks, Marc -- "A mouse is a device used to point at the xterm you want to type in" - A.S.R. Home page: http://marc.merlins.org/ | PGP 7F55D5F27AAF9D08