From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heinz Diehl Subject: Re: Failure to wake from S2D Date: Fri, 17 Apr 2015 08:23:47 +0200 Message-ID: <20150417062347.GA1481@fritha.org> References: <20150416094739.GA10911@fritha.org> <744357E9AAD1214791ACBA4B0B909263014D3FC0@SHSMSX101.ccr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mout.kundenserver.de ([212.227.17.10]:51063 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751364AbbDQGXx (ORCPT ); Fri, 17 Apr 2015 02:23:53 -0400 Content-Disposition: inline In-Reply-To: <744357E9AAD1214791ACBA4B0B909263014D3FC0@SHSMSX101.ccr.corp.intel.com> Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: "Zhang, Rui" Cc: "linux-pm@vger.kernel.org" On 17.04.2015, Zhang, Rui wrote: > Have you checked any earlier kernel versions? No. Every hang means fs corruption, and this is a production machine. At least some of the 3.19.x series shows the same behaviour. > Does the problem still existing when using idle=poll? Yes, it does. > What cpuidle driver are you using? [htd@chiara ~]$ cat /sys/devices/system/cpu/cpuidle/current_driver intel_idle > Please file a bug report at https://bugzilla.kernel.org/enter_bug.cgi?product=Power%20Management > With the test result after using boot option "idle=poll" Will do. However, idle=poll is not a permanent option on this system, since it significantly increases heat and power consumption. Thanks, Heinz. -- OpenPGP Fingerprint: 531E 8E75 4395 ED38 CEC2 FD75 A1EB 6944 60F4 A92C