From mboxrd@z Thu Jan 1 00:00:00 1970 From: The Holy ettlz Subject: Re: High power consumption after suspend/resume cycle Date: Sun, 04 Oct 2009 10:17:13 +0100 Message-ID: <1254647833.3845.3.camel@localhost.localdomain> References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============2426446892881993185==" Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Mime-version: 1.0 Sender: linux-pm-bounces@lists.linux-foundation.org Errors-To: linux-pm-bounces@lists.linux-foundation.org To: Andrew Lutomirski Cc: ACPI Devel Maling List , pm list , linux-kernel@vger.kernel.org List-Id: linux-pm@vger.kernel.org --===============2426446892881993185== Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-tm9hUJjLwqFNzr1bH6Qz" --=-tm9hUJjLwqFNzr1bH6Qz Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Hello, > > There's a catch, though: after a suspend/resume cycle, power > > consumption goes up by over well over a watt. (On a system that draws > > about 7 watts before suspending, that's a big deal.) I've tried > > turning off X, suspending with 'echo mem > /sys/power/state' to avoid > > any distro scripts running, and manually restoring SATA power saving > > settings, but it still happens. I even tried unbinding e1000e and > > both USB drivers, unloading the i2400 (wimax) driver, iwlagn, and > > iwlcore, and it still happens. This is 100% reproducible, and I'd be > > happy to test things. Just out of curiosity: does it make any difference whether tickless mode is enabled or not, and do you see an excess of wakeups with no apparent origin, a la http://bugzilla.kernel.org/show_bug.cgi?id=3D12788 ? Thanks, James. --=20 The Holy ettlz TheHolyettlz@googlemail.com PGP key ID: 03F94B5D ----------------------------------------------------------------------- --=-tm9hUJjLwqFNzr1bH6Qz Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iEYEABECAAYFAkrIaBcACgkQL/Is9AP5S10vUACeKYrLazVLr7XSaA68H2xh5E41 7NAAoIgskYfkaJuOkCnfbJk01RqtcSvy =qrlP -----END PGP SIGNATURE----- --=-tm9hUJjLwqFNzr1bH6Qz-- --===============2426446892881993185== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline --===============2426446892881993185==--