Date: Wed, 23 Aug 2017 19:51:28 +0000 From: Marcin Cieslak <saper@saper.info> To: "James E. Pace" <james@pacehouse.com> Cc: freebsd-xen@freebsd.org Subject: Re: Fwd: FreeBSD 11.1 xen trying to create linux domU instance Message-ID: <nycvar.OFS.7.76.6.1708231909410.1673@z.fncre.vasb> In-Reply-To: <CAN1es4LUf0R3eu7fCTvQTwWqhDaoc-AqNRsq2OPJxLeJLNR5ww@mail.gmail.com> References: <CAN1es4Lmicq9HQSacA1obfPe9AXjA0B5JAn36OwSCvt3H33SaA@mail.gmail.com> <CAN1es4LUf0R3eu7fCTvQTwWqhDaoc-AqNRsq2OPJxLeJLNR5ww@mail.gmail.com>
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--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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