From owner-freebsd-xen@freebsd.org Wed Aug 23 19:51:32 2017 Return-Path: Delivered-To: freebsd-xen@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 C1417DEE002 for ; Wed, 23 Aug 2017 19:51:32 +0000 (UTC) (envelope-from saper@saper.info) Received: from m.saper.info (m.saper.info [IPv6:2a01:4f8:a0:7383::]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "saper.info", Issuer "Let's Encrypt Authority X3" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 59DD87FFD2 for ; Wed, 23 Aug 2017 19:51:32 +0000 (UTC) (envelope-from saper@saper.info) Received: from m.saper.info (saper@m.saper.info [IPv6:2a01:4f8:a0:7383::]) by m.saper.info (8.15.2/8.15.2) with ESMTPS id v7NJpSlE001737 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Wed, 23 Aug 2017 19:51:28 GMT (envelope-from saper@saper.info) Received: from localhost (saper@localhost) by m.saper.info (8.15.2/8.15.2/Submit) with ESMTP id v7NJpSMN001734; Wed, 23 Aug 2017 19:51:28 GMT (envelope-from saper@saper.info) X-Authentication-Warning: m.saper.info: saper owned process doing -bs Date: Wed, 23 Aug 2017 19:51:28 +0000 From: Marcin Cieslak To: "James E. Pace" cc: freebsd-xen@freebsd.org Subject: Re: Fwd: FreeBSD 11.1 xen trying to create linux domU instance In-Reply-To: Message-ID: References: MIME-Version: 1.0 Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="1563967779-963476565-1503517888=:1673" X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Discussion of the freebsd port to xen - implementation and usage List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 23 Aug 2017 19:51:32 -0000 --1563967779-963476565-1503517888=:1673 Content-Type: text/plain; charset=US-ASCII On Mon, 21 Aug 2017, James E. Pace wrote: > Hi, > > builder = "hvm" > name = "xen-ubuntu" > memory = 1024 > vcpus = 1 > vif = [ 'bridge=bridge0' ] > disk = [ > '/dev/zvol/pool/xen-ubuntu,,hda,rw', > '/pool/Downloads/ubuntu-15.10-desktop-amd64.iso,raw,hdc:cdrom,r' > ] > vnc = 1 > vnclisten = "0.0.0.0" > serial = "pty" > > I created the backing filesystem with: > zfs create -V20G -o volmode=dev pool/xen-ubuntu > > "xl create foo.cfg" returns fine, and "xl list" shows the instance, but the > running instance (via vncviewer) eventually spits out: > > 4.130084] vbd vbd-5632: 19 xenbus_dev_probe on device/vbd/5632 > 4.130956] vbd vbd-5632: failed to write error node for device > device/vbd/5632 (19 xenbus_dev_probe on device/vbd/5632) > > I suspect the linux kernel isn't booting because it can't figure out > something about the zfs volume. But I'm not sure, and I don't know how to > work around it. I'am using 11.1-STABLE (r321629) as Xen dom0, running under Xen kernel 4.7.2_3. I have sucessfully started appliances built on oldish RedHat kernels (2.6.32-573.18.1.el6.x86_64) without any problems. For Fedora 25 (4.10.8-200.fc25.x86_64) I had to add xen_platform_pci=0 to the config file to get it running. This still seems to be needed. My disk definition for fedora and the RedHats looks like this: '/dev/zvol/zroot/fedora0,raw,hda,w' (xvda seems to work well in place of "hda" for RHEL and Fedora as well) Marcin --1563967779-963476565-1503517888=:1673 Content-Type: application/pkcs7-signature; name=smime.p7s Content-Transfer-Encoding: BASE64 Content-Description: S/MIME Cryptographic Signature Content-Disposition: attachment; filename=smime.p7s MIIOSwYJKoZIhvcNAQcCoIIOPDCCDjgCAQExDzANBglghkgBZQMEAgEFADAL BgkqhkiG9w0BBwGgggqQMIIElzCCA3+gAwIBAgIOSBtqCKJEiNNcmz3JSA0w DQYJKoZIhvcNAQELBQAwTDEgMB4GA1UECxMXR2xvYmFsU2lnbiBSb290IENB IC0gUjMxEzARBgNVBAoTCkdsb2JhbFNpZ24xEzARBgNVBAMTCkdsb2JhbFNp Z24wHhcNMTYwNjE1MDAwMDAwWhcNMjQwNjE1MDAwMDAwWjBdMQswCQYDVQQG EwJCRTEZMBcGA1UEChMQR2xvYmFsU2lnbiBudi1zYTEzMDEGA1UEAxMqR2xv YmFsU2lnbiBQZXJzb25hbFNpZ24gMSBDQSAtIFNIQTI1NiAtIEczMIIBIjAN BgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyrCba00KOKyGuwh9h+/MAcZm ZUF9OxGKA56AADHaDE08rB0WEbgm6J4XvJP3OGQ7cgHdVJu6XMZkRd6EcfjD 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