From mboxrd@z Thu Jan 1 00:00:00 1970 From: Russ Anderson Subject: Re: [regression, bisected] x86: efi: Pass boot services variable info to runtime code Date: Mon, 27 May 2013 21:43:23 -0500 Message-ID: <20130528024323.GA32664@sgi.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> <20130524210534.GA15466@redhat.com> <1369628832.19026.22.camel@linux-s257.site> Reply-To: Russ Anderson Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Content-Disposition: inline In-Reply-To: <1369628832.19026.22.camel-ONCj+Eqt86TasUa73XJKwA@public.gmane.org> Sender: linux-efi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: joeyli Cc: Dave Jones , 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 Mon, May 27, 2013 at 12:27:12PM +0800, joeyli wrote: > Hi Dave,=20 >=20 > =E6=96=BC =E4=BA=94=EF=BC=8C2013-05-24 =E6=96=BC 17:05 -0400=EF=BC=8C= Dave Jones =E6=8F=90=E5=88=B0=EF=BC=9A > > 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, > > > >=20 > > > > Can we open a bug for the BIOS folks and see if we can get thi= s addressed? > > >=20 > > > 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. > > >=20 > > > 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/bootloa= der > > > implementation. That still makes it a kernel bug. > > >=20 > > > I'm still digging to better understand the root problem. > > =20 > > When we rebased the Fedora 18 kernel to 3.9 we had a bunch of repor= ts > > from people who can no longer boot with what looks like similar sym= ptoms. > >=20 > > https://bugzilla.redhat.com/show_bug.cgi?id=3D964335 > >=20 > > Dave > >=20 >=20 > 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: >=20 > https://git.kernel.org/cgit/linux/kernel/git/mfleming/efi.git/commit/= ?h=3Durgent&id=3Deccaf52fee8305d5207ff110950a82c100e459bc I tried that patch, but it does not fix the problem. Thanks for the suggestion. --=20 Russ Anderson, OS RAS/Partitioning Project Lead =20 SGI - Silicon Graphics Inc rja-sJ/iWh9BUns@public.gmane.org