Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932555AbbGJOrw (ORCPT ); Fri, 10 Jul 2015 10:47:52 -0400 Received: from foss.arm.com ([217.140.101.70]:51498 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751286AbbGJOrn convert rfc822-to-8bit (ORCPT ); Fri, 10 Jul 2015 10:47:43 -0400 Date: Fri, 10 Jul 2015 15:48:14 +0100 From: Lorenzo Pieralisi To: "Moore, Robert" Cc: Ming Lei , "Zheng, Lv" , "Wysocki, Rafael J" , Linux Kernel Mailing List , linux-arm-kernel , Thomas Gleixner , Jason Cooper , "hanjun.guo@linaro.org" Subject: Re: ACPI: regression: Failed to initialize GIC IRQ controller Message-ID: <20150710144814.GA12489@red-moon> References: <94F2FBAB4432B54E8AACC7DFDE6C92E37D30B295@ORSMSX112.amr.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: 8BIT In-Reply-To: <94F2FBAB4432B54E8AACC7DFDE6C92E37D30B295@ORSMSX112.amr.corp.intel.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2179 Lines: 58 On Fri, Jul 10, 2015 at 03:28:36PM +0100, Moore, Robert wrote: > > > > -----Original Message----- > > From: Ming Lei [mailto:ming.lei@canonical.com] > > Sent: Friday, July 10, 2015 12:46 AM > > To: Moore, Robert; Zheng, Lv; Wysocki, Rafael J > > Cc: Linux Kernel Mailing List; linux-arm-kernel; Thomas Gleixner; Jason > > Cooper; Hanjun Guo > > Subject: ACPI: regression: Failed to initialize GIC IRQ controller > > > > Hi, > > > > Commit 0cff8dc0099f6d4f(ACPICA: ACPI 6.0: Add changes for MADT table.) > > causes the following failure on APM mustang board(arm64) when booting via > > UEFI and ACPI: > > > I would be interested to know just what exactly about this change broke things. struct acpi_madt_generic_interrupt gained 4 bytes, 4 too many for ACPI on ARM64 to boot with 5.1 tables. >From now onwards we have to test acpica changes against the arm64 kernel tree, this must not happen again. See below: https://lkml.org/lkml/2015/7/6/876 Thanks, Lorenzo > Bob > > > > > > > No valid GICC entries exist > > ACPI: Failed to initialize GIC IRQ controller Kernel panic - not syncing: > > No interrupt controller found. > > CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.2.0-rc1+ #45 Hardware name: > > APM X-Gene Mustang board (DT) Call trace: > > [] dump_backtrace+0x0/0x12c [] > > show_stack+0x10/0x1c [] dump_stack+0x8c/0xdc > > [] panic+0xe4/0x220 [] > > init_IRQ+0x24/0x30 [] start_kernel+0x274/0x3d8 ---[ end > > Kernel panic - not syncing: No interrupt controller found. > > > > > > Thanks, > > Ming > N???????????????r??????y?????????b???X????????v???^???)??{.n???+????????????{????????????zX??????????????}???????????z???&j:+v?????????????????????zZ+??????+zf?????????h?????????~????????????i?????????z??????w??????????????????????&???)??f??????^j??y???m??????@A???a????????? 0??????h??????i -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/