From owner-freebsd-virtualization@freebsd.org Mon Mar 6 02:36:42 2017 Return-Path: Delivered-To: freebsd-virtualization@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 85F59CF9B31 for ; Mon, 6 Mar 2017 02:36:42 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 754041FDF for ; Mon, 6 Mar 2017 02:36:42 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id v262agCR042070 for ; Mon, 6 Mar 2017 02:36:42 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-virtualization@FreeBSD.org Subject: [Bug 211746] [Hyper-V] UEFI VM can't boot from the iso installation disk Date: Mon, 06 Mar 2017 02:36:42 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: decui@microsoft.com X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-virtualization@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-virtualization@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Discussion of various virtualization techniques FreeBSD supports." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 06 Mar 2017 02:36:42 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D211746 --- Comment #22 from Dexuan Cui --- (In reply to commit-hook from comment #21) Some people reported the fix was breaking their hosts. Chris H is the first person to dump the EFI memory map to me: on the host t= here is a 1MB LoaderData memory range, which splits the big Conventional Memory range into a small one (15MB) and a big one: the small one is too small to = hold the staging area. Marcel did remind me of this: https://reviews.freebsd.org/D9686?id=3D25414#inline-56907 But unluckily I didn't realize the importance, since I didn't really have access to an EFI-boot physical FreeBSD host and FreeBSD VM running on Hyper= -V didn't expose the issue. I'll attach the screen shot of Chris's mem map FYI. And I'm going to make a patch shortly. --=20 You are receiving this mail because: You are the assignee for the bug.=