Re: pvops dom0 work roadmap / Fedora 11 libvirt problems with Xen 3.4

["Pasi Kärkkäinen" <pasik@iki.fi>]

On Wed, Aug 19, 2009 at 05:21:55AM -0700, Boris Derzhavets wrote:
> Pasi,
> 
> Thanks  a lot a lot for your support.
> 
>   I was able  to reproduce you instructions on F11 (64-bit) instance (C2D E8400,8 GB RAM).
>   I remind pretty clear,  that now i am experiencing the same issue as with xen-3.4.0-2.fc12.src.rpm. 
> F11 PVM been created via virt-manager, cannot be , actually, managed either via virt-manager or from command line.
> 
> # xm start VMF11
> 
> moves it to paused state and resuming shows :-
> 
> [root@ServerXen341F boris]# xm list
> Name                                          ID   Mem VCPUs      State   Time(s)
> Domain-0                                    0    6034     2     r-----    574.9
> VMF11                                         3    2048     0     ------      0.0
> 

What do you have in "xm log" ? Is the last line about running pygrub?

I'm seeing an issue with F11 domU where the domU grub.conf contains
timeout=0 and that causes pygrub to get stuck and thus prevents the domU
from starting.. changing to timeout=5 fixes the problem. 

I'm going to debug pygrub later today.. I believe it's a bug in pygrub.

> Attempt to create HVM crashes immediately.
> 

I can't test HVM guests on my testbox, it doesn't have VT support in the CPU.

-- Pasi

> Boris.
> 
> P.S. I was unable to find glibc-devel.i386 for 64-bit F11 (vs F10)
> and installed glibc-devel.i586 for rpmbuild.
> 
> --- On Wed, 8/19/09, Pasi Kärkkäinen <pasik@iki.fi> wrote:
> 
> From: Pasi Kärkkäinen <pasik@iki.fi>
> Subject: Re: [Xen-devel] pvops dom0 work roadmap / Fedora 11 libvirt problems with Xen 3.4
> To: "Boris Derzhavets" <bderzhavets@yahoo.com>
> Cc: "Xen-devel" <xen-devel@lists.xensource.com>
> Date: Wednesday, August 19, 2009, 6:27 AM
> 
> On Wed, Aug 19, 2009 at 02:54:36AM -0700, Boris Derzhavets wrote:
> > Pasi,
> > 
> > I was able to install 3.4.1 Hypervisor via xen-3.4.1.src.rpm with no problems.
> > Rebooted into Xen Host with 2.6.30.3 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 \
> > virt-viewer-0.2.0-1.fc11.x86_64.rpm
> > 
> > [root@ServerXen341F Download]# rpm -qa|grep virt
> > libvirt-0.7.0-3.fc11.x86_64
> > libvirt-devel-0.7.0-3.fc11.x86_64
> > python-virtinst-0.500.0-1.fc11.noarch
> > virt-manager-0.8.0-1.fc11.noarch
> > virt-viewer-0.2.0-1.fc11.x86_64
> > libvirt-python-0.7.0-3.fc11.x86_64
> > libvirt-client-0.7.0-3.fc11.x86_64
> > 
> > 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 ?
> > 
> 
> I think you should post to fedora-xen@redhat.com and possibly 
> CC fedora-virt@redhat.com.
> 
> > Boris.
> > 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.
> > '
> 
> 
> I was using the default libvirt from F11, but I manually added the bugfix patch:
> 
> - Download libvirt src.rpm:
>   ftp://ftp.funet.fi/pub/mirrors/fedora.redhat.com/pub/fedora/linux/updates/11/SRPMS/libvirt-0.6.2-14.fc11.src.rpm
> 
> - install it: "rpm -i libvirt-0.6.2-14.fc11.src.rpm"
> 
> - Copy & paste the patch to a file /root/rpmbuild/SOURCES/libvirt-bugfix-custom.patch from
>   http://libvirt.org/git/?p=libvirt.git;a=blobdiff;f=src/xend_internal.c;h=55ffd3f9a5004e681c8ffb2279d27965eb42e956;hp=b211bb6293355bf68e33f56f947021bd7bb8e675;hb=14435163a086c0bcdff04308077fa46a5fa08bb0;hpb=fd90b67afe59265327dde7e447ea847687bd4e8d
> 
> - Edit /root/rpmbuild/SPECS/libvirt.spec and add the patch like other
>   patches are added. You need to add one line to two different places.
> 
> - Run "rpmbuild -bb libvirt.spec"
> 
> - Install the bugfixed rpms from /root/rpmbuild/RPMS/i586/
> 
> -- Pasi
> 
> 
> > 
> > --- On Wed, 8/19/09, Pasi Kärkkäinen <pasik@iki.fi> wrote:
> > 
> > From: Pasi Kärkkäinen <pasik@iki.fi>
> > Subject: Re: [Xen-devel] pvops dom0 work roadmap / Fedora 11 libvirt problems with Xen 3.4
> > To: "Boris Derzhavets" <bderzhavets@yahoo.com>
> > Cc: "Xen-devel" <xen-devel@lists.xensource.com>
> > 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:
> > http://kojipkgs.fedoraproject.org/packages/xen/3.4.1/1.fc12/
> > 
> > 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:
> > http://libvirt.org/git/?p=libvirt.git;a=commit;h=14435163a086c0bcdff04308077fa46a5fa08bb0
> > 
> > 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
> > 
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@lists.xensource.com
> > http://lists.xensource.com/xen-devel
> > 
> > 
> > 
> >       
> 
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