From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@bugzilla.kernel.org Subject: [Bug 103351] Machine check exception on Broadwell quad-core with SpeedStep enabled Date: Mon, 28 Sep 2015 14:58:37 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: Received: from mail.kernel.org ([198.145.29.136]:35767 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933483AbbI1O6l (ORCPT ); Mon, 28 Sep 2015 10:58:41 -0400 Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 0479A20741 for ; Mon, 28 Sep 2015 14:58:40 +0000 (UTC) Received: from bugzilla1.web.kernel.org (bugzilla1.web.kernel.org [172.20.200.51]) by mail.kernel.org (Postfix) with ESMTP id DD8AC20755 for ; Mon, 28 Sep 2015 14:58:38 +0000 (UTC) In-Reply-To: Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: linux-pm@vger.kernel.org https://bugzilla.kernel.org/show_bug.cgi?id=103351 Crashbit changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |crashbit@gmail.com --- Comment #15 from Crashbit --- I have similar problems with i5 5675C. I ran Windows without any problem. I use Intel Diagnostics Software and CPU is ok. First, I have random blocks with Ubuntu 14.04 and 15.10 liveusb. Finally I can install Ubuntu 15.10 server. System works well without stress. When I install the desktop it appears random freezes and MCE errors. mcelog only show Family 6 Model 47 CPU: Only decoding architectural errors I have been using at restricted drivers Intel microcode firmware on Ubuntu 15.10 daily update, with kernel 4.2.0-11-generic. My motherboard is Asus H97-Pro Gamer. I try to dissable Intel StepSpeed, C-States, and Turbo Mode and have random freezes -- You are receiving this mail because: You are the assignee for the bug.