From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from relay2.sgi.com ([192.48.180.65] helo=relay.sgi.com) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1WpJuv-0002AG-Js for kexec@lists.infradead.org; Tue, 27 May 2014 16:07:59 +0000 Date: Tue, 27 May 2014 11:08:14 -0500 From: Alex Thorlton Subject: Re: [PATCH] x86: do not enable efi boot for sgi uv machine Message-ID: <20140527160814.GJ10771@sgi.com> References: <20140523101454.GA8608@darkstar.nay.redhat.com> <20140523132834.GB2126@redhat.com> <640284398.17653158.1400852828081.JavaMail.zimbra@redhat.com> <20140523155411.GC28727@pd.tnic> <20140523161930.GB4212@sgi.com> <20140527032816.GD2372@darkstar.nay.redhat.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20140527032816.GD2372@darkstar.nay.redhat.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "kexec" Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: Dave Young Cc: Russ Anderson , matt.fleming@intel.com, kexec@lists.infradead.org, horms@verge.net.au, Alex Thorlton , Borislav Petkov , Vivek Goyal On Tue, May 27, 2014 at 11:28:16AM +0800, Dave Young wrote: > > > Well, we did find the bug in a combined debug session and SGI will be > > > issuing a fix soon. I don't know whether any quirk will be needed for > > > systems which don't have the fix - I guess that's something for SGI > > > people to decide. CCed and leaving in the rest for reference. > > > > > > @Alex, Russ: this is about using kexec on UEFI boxes. > > > > Thanks for the heads up. Our bios made an assumption about > > mapping that was valid with the old mapping scheme but not > > with the new. Fortunately the fix will work with both old > > and new kernels, so the fix can be added in the next bios > > update. But we still have to be careful when removing the > > quirk, to avoid someone trying a new kernel with old bios > > and not being able to boot. > > The quirk will quirk out all uv system, will SGI people provide a patch > to only add quirk for old firmware version or just removing the quirk > after the update is out? Yes - I'm working on that now. I'll make sure you're copied on the patch when I do get it all worked out. > Thanks > Dave _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec