From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave Jones Subject: Re: [regression, bisected] x86: efi: Pass boot services variable info to runtime code Date: Fri, 24 May 2013 17:05:34 -0400 Message-ID: <20130524210534.GA15466@redhat.com> 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> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20130524170214.GA30179-sJ/iWh9BUns@public.gmane.org> Sender: linux-efi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Russ Anderson Cc: Robin Holt , Matt Fleming , Matthew Garrett , matt.fleming-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Ingo Molnar , Thomas Gleixner , "H. Peter Anvin" , Borislav Petkov List-Id: linux-efi@vger.kernel.org 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