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Re: [Xen-devel] pvops dom0 work roadmap / Fedora 11 libvirt problems wit

To: Pasi Kärkkäinen <pasik@xxxxxx>
Subject: Re: [Xen-devel] pvops dom0 work roadmap / Fedora 11 libvirt problems with Xen 3.4
From: Boris Derzhavets <bderzhavets@xxxxxxxxx>
Date: Wed, 19 Aug 2009 03:14:21 -0700 (PDT)
Cc: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
Delivery-date: Wed, 19 Aug 2009 03:14:53 -0700
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At page http://markmc.fedorapeople.org/virt-preview/f11/src/ :-

bochs-2.3.8-0.8.git04387139e3b.fc11.src.rpm 31-Jul-2009 15:39  3.9M  
libvirt-0.7.0-3.fc11.src.rpm 10-Aug-2009 10:34 7.6M
python-virtinst-0.500.0-1.fc11.src.rpm 29-Jul-2009 13:39 453K
qemu-0.10.91-0.5.rc1.fc11.src.rpm 07-Aug-2009 09:51 4.2M
virt-manager-0.8.0-1.fc11.src.rpm 29-Jul-2009 13:40 2.0M
virt-viewer-0.2.0-1.fc11.src.rpm 29-Jul-2009 14:56 327K

I believe qemu installation was skipped

--- On Wed, 8/19/09, Boris Derzhavets <bderzhavets@xxxxxxxxx> wrote:

From: Boris Derzhavets <bderzhavets@xxxxxxxxx>
Subject: Re: [Xen-devel] pvops dom0 work roadmap / Fedora 11 libvirt problems with Xen 3.4
To: "Pasi Kärkkäinen" <pasik@xxxxxx>
Cc: "Xen-devel" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Date: Wednesday, August 19, 2009, 5:54 AM


I was able to install 3.4.1 Hypervisor via xen-3.4.1.src.rpm with no problems.
Rebooted into Xen Host with xenified aka Suse kernel. Fine.

Downloaded from http://markmc.fedorapeople.org/virt-preview/f11/x86_64/
and installed (pretty recent - 08/10/2009) :-

yum install libvirt-0.7.0-3.fc11.x86_64.rpm \      
libvirt-client-0.7.0-3.fc11.x86_64.rpm \
libvirt-devel-0.7.0-3.fc11.x86_64.rpm \
libvirt-python-0.7.0-3.fc11.x86_64.rpm \
python-virtinst-0.500.0-1.fc11.noarch.rpm \
virt-manager-0.8.0-1.fc11.noarch.rpm \

[root@ServerXen341F Download]# rpm -qa|grep virt

Then i was able to connect to xend via virt-manager and attempted to start building
OSOL HVM. Got an error at startup:-

Unable to complete install '<class 'libvirt.libvirtError'> Domain not found: xenUnifiedDomainLookupByName
Traceback (most recent call last):
  File "/usr/share/virt-manager/virtManager/create.py", line 1489, in do_install
    dom = guest.start_install(False, meter = meter)
  File "/usr/lib/python2.6/site-packages/virtinst/Guest.py", line 628, in start_install
    return self._do_install(consolecb, meter, removeOld, wait)
  File "/usr/lib/python2.6/site-packages/virtinst/Guest.py", line 726, in _do_install
    self.domain = self.conn.createLinux(install_xml, 0)
  File "/usr/lib64/python2.6/site-packages/libvirt.py", line 1077, in createLinux
    if ret is None:raise libvirtError('virDomainCreateLinux() failed', conn=self)
libvirtError: Domain not found: xenUnifiedDomainLookupByName

Please advise , how to escalate it to Fedora's people ?

P.S. Usually i installed libvirt stuff :-

# yum install libvirt libvirt-python python-virtinst \
virt-manager virt-viewer

To apply patch manually i need a kind of libvirt.src.rpm.
I don't track Fedora so close to be aware of this.

--- On Wed, 8/19/09, Pasi Kärkkäinen <pasik@xxxxxx> wrote:

From: Pasi Kärkkäinen <pasik@xxxxxx>
Subject: Re: [Xen-devel] pvops dom0 work roadmap / Fedora 11 libvirt problems with Xen 3.4
To: "Boris Derzhavets" <bderzhavets@xxxxxxxxx>
Cc: "Xen-devel" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Date: Wednesday, August 19, 2009, 3:09 AM

On Tue, Aug 18, 2009 at 09:16:08PM -0700, Boris Derzhavets wrote:
> >There was a bug in libvirt of F11 dom0 causing virt-viewer to crash when
> > using Xen 3.4, but after I got that patched it was all fine
> If it's possible to share your experience , i wonder does it mean, that  you've got xen-3.4.0-2.fc12.src.rpm working on F11 (32-bit) ?
> I was unable to connect to xend when starting virt-manager after xen-3.4.0-2.fc12.src.rpm install ( along with generated packages) on 64-bit F11 instance.

I grabbed Xen 3.4.1-1 src.rpm from:

and rebuilt that for F11.

The next problem was that libvirt package in Fedora 11 has a bug, which causes it
to crash (segfault) when virt-viewer is started. This crash only happens with Xen 3.4, not with Xen 3.3.

Patch for the libvirt bug is here:

Upcoming libvirt update for F11 will fix this. After manually applying that
patch and rebuilding libvirt I'm now able to successfully install new guests
using virt-install and connect to their console by virt-viewer.

-- Pasi

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