From owner-freebsd-virtualization@freebsd.org Thu May 7 08:43:18 2020 Return-Path: Delivered-To: freebsd-virtualization@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id E3C6D13E018 for ; Thu, 7 May 2020 08:43:18 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.nyi.freebsd.org (unknown [127.0.1.3]) by mx1.freebsd.org (Postfix) with ESMTP id 49Hn6Z39Tsz3Kn5 for ; Thu, 7 May 2020 08:43:18 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.nyi.freebsd.org (Postfix) id 6CD5113E017; Thu, 7 May 2020 08:43:18 +0000 (UTC) Delivered-To: virtualization@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 6C9CB13E016 for ; Thu, 7 May 2020 08:43:18 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 49Hn6Z2Jrsz3Kn4 for ; Thu, 7 May 2020 08:43:18 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4ADEDE41D for ; Thu, 7 May 2020 08:43:18 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 0478hIxf088376 for ; Thu, 7 May 2020 08:43:18 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 0478hIBW088375 for virtualization@FreeBSD.org; Thu, 7 May 2020 08:43:18 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: virtualization@FreeBSD.org Subject: [Bug 246168] Ubuntu 20.04 KVM / QEMU Failure with nested FreeBSD bhyve Date: Thu, 07 May 2020 08:43:18 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: bhyve X-Bugzilla-Version: 12.1-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: grehan@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: 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: 2.1.30 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: Thu, 07 May 2020 08:43:19 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D246168 --- Comment #8 from Peter Grehan --- I was able to get this working fine, and the cause of the problem is clear looking back at the posted logs. <> # ls FreeBSD-11.2-RELEASE-amd64-bootonly.iso FreeBSD-12.1-RELEASE-amd64-dvd1.iso= =20=20=20=20 bee-hd1-01.img # /usr/sbin/bhyve -c 2 -m 2048 -H -A -s 0:0,hostbridge -s 1:0,lpc -s 2:0,e1000,tap0 -s 3:0,ahci-hd,bee-hd1-01.img -l com1,stdio -s 5:0,ahci-cd,./FreeBSD-12.1-RELEASE-amd64-dvd1.iso bee bhyve has to be started with either a UEFI ROM image, or using a separate loader (bhyveload/grub-bhyve). This wasn't done in this case, which will re= sult in registers partly set to power-on state, which will result in a triple-fa= ult or some other error. This can be seen in the register dump from KVM, where all the GP registers = are zero including the RIP. The fix to run a FreeBSD guest is to use bhyveload before running bhyve. For the example given, this would be # /usr/sbin/bhyveload -m 2048 -d ./FreeBSD-12.1-RELEASE-amd64-dvd1.iso bee ... and then run the bhyve command. --=20 You are receiving this mail because: You are the assignee for the bug.=