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: Fri, 16 Oct 2015 10:19:44 +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]:40094 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752034AbbJPKTu (ORCPT ); Fri, 16 Oct 2015 06:19:50 -0400 Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7874E20A24 for ; Fri, 16 Oct 2015 10:19:49 +0000 (UTC) Received: from bugzilla2.web.kernel.org (bugzilla2.web.kernel.org [172.20.200.52]) by mail.kernel.org (Postfix) with ESMTP id 295C420A63 for ; Fri, 16 Oct 2015 10:19:47 +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 --- Comment #72 from Henrique de Moraes Holschuh --- Well, FWIW, the processor flags (pf) reported are _different_. So now, we need a bit more data from others, to check if processors with pf=0x20 ends up with RTM disabled, and pf=0x2 ends up with RTM enabled, or if there is no such connection. I'd expect pf=0x20 to be the mobile processors (soldered), and pf=0x2 to be the desktop processors (socketed), BTW. The "pf" can be read from either the kernel log (microcode: CPU0 sig=... line), or from "cat /sys/devices/system/cpu/cpu0/microcode/processor_flags". It should be analyzed together with the output of "cat /proc/cpuinfo". -- You are receiving this mail because: You are the assignee for the bug.