Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758707Ab3E1Cn1 (ORCPT ); Mon, 27 May 2013 22:43:27 -0400 Received: from relay1.sgi.com ([192.48.179.29]:56516 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758630Ab3E1Cn0 (ORCPT ); Mon, 27 May 2013 22:43:26 -0400 Date: Mon, 27 May 2013 21:43:23 -0500 From: Russ Anderson To: joeyli Cc: Dave Jones , Robin Holt , Matt Fleming , Matthew Garrett , matt.fleming@intel.com, linux-efi@vger.kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org, Ingo Molnar , Thomas Gleixner , "H. Peter Anvin" , Borislav Petkov Subject: Re: [regression, bisected] x86: efi: Pass boot services variable info to runtime code Message-ID: <20130528024323.GA32664@sgi.com> Reply-To: Russ Anderson References: <20130522162747.GA20816@sgi.com> <20130523115801.GJ14575@console-pimps.org> <20130523203234.GD20913@sgi.com> <20130524074331.GL14575@console-pimps.org> <20130524161111.GE3672@sgi.com> <20130524170214.GA30179@sgi.com> <20130524210534.GA15466@redhat.com> <1369628832.19026.22.camel@linux-s257.site> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1369628832.19026.22.camel@linux-s257.site> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1960 Lines: 49 On Mon, May 27, 2013 at 12:27:12PM +0800, joeyli wrote: > Hi Dave, > > 於 五，2013-05-24 於 17:05 -0400，Dave Jones 提到： > > On Fri, May 24, 2013 at 12:02:15PM -0500, Russ Anderson wrote: > > > On Fri, May 24, 2013 at 11:11:11AM -0500, Robin Holt wrote: > > > > Russ, > > > > > > > > Can we open a bug for the BIOS folks and see if we can get this addressed? > > > > > > I already talked with them. It is not in an area that we > > > normally change, so if there is a bug may be in the Intel > > > reference code. More investigation is needed to track down > > > the actual problem, and that could take help from Intel. > > > > > > Regardless of that, it is a kernel patch that triggers the > > > problem. This isn't the first time a kernel change does > > > the "right thing" but trips across questionable bios/EFI/bootloader > > > implementation. That still makes it a kernel bug. > > > > > > I'm still digging to better understand the root problem. > > > > When we rebased the Fedora 18 kernel to 3.9 we had a bunch of reports > > from people who can no longer boot with what looks like similar symptoms. > > > > https://bugzilla.redhat.com/show_bug.cgi?id=964335 > > > > Dave > > > > The oops on the above bug is similar to my problem on Acer machine, > could you please ask the reporter try the eccaf52f patch in urgent > branch on Matt's efi git tree: > > https://git.kernel.org/cgit/linux/kernel/git/mfleming/efi.git/commit/?h=urgent&id=eccaf52fee8305d5207ff110950a82c100e459bc I tried that patch, but it does not fix the problem. Thanks for the suggestion. -- Russ Anderson, OS RAS/Partitioning Project Lead SGI - Silicon Graphics Inc rja@sgi.com -- 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/