From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joseph Salisbury Subject: Subject: [v3.19 Regression] x86, irq, acpi: Get rid of special handling of GSI for ACPI SCI Date: Mon, 13 Jul 2015 15:36:11 -0400 Message-ID: <55A4132B.4030801@canonical.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8BIT Return-path: Received: from youngberry.canonical.com ([91.189.89.112]:53517 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752968AbbGMTgV convert rfc822-to-8bit (ORCPT ); Mon, 13 Jul 2015 15:36:21 -0400 Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: jiang.liu@linux.intel.com Cc: konrad.wilk@oracle.com, tony.luck@intel.com, joro@8bytes.org, Greg KH , Benjamin Herrenschmidt , "Rafael J. Wysocki" , Bjorn Helgaas , rdunlap@infradead.org, Yinghai Lu , bp@alien8.de, len.brown@intel.com, pavel@ucw.cz, Thomas Gleixner , LKML "Rafael J. Wysocki" pavel@ucw.cz, mingo@redhat.com, hpa@zytor.com, x86@kernel.org, linux-pm@vger.kernel.org Hello Jiang, A kernel bug report was opened against Ubuntu [0]. It was found that reverting the following commit resolves this bug: commit cd68f6bd53cf89d1d5ed889b8af65e9c3574a079 Author: Jiang Liu Date: Mon Oct 27 16:11:52 2014 +0800 x86, irq, acpi: Get rid of special handling of GSI for ACPI SCI The regression was introduced as of v3.19-rc1. I was hoping to get your feedback, since you are the patch author. Do you think gathering any additional data will help diagnose this issue, or would it be best to submit a revert request? Thanks, Joe [0] http://pad.lv/1440072