[libvirt-users] Libvirt Error guest wont start

Shawn Furrow sfurrow at vt.edu
Thu Oct 11 15:25:51 UTC 2012


I figured it out. Apparently someone else ran some updates on the host
machine and the distro version of QEMU was installed and libvirt was
finding that one instead of the updated QEMU that was previously installed.
Thanks for the help!

Shawn

On Wed, Oct 10, 2012 at 3:50 PM, Martin Kletzander <mkletzan at redhat.com>wrote:

> On 10/10/2012 04:47 PM, Shawn Furrow wrote:
> > I am using QEMU 1.1.0, the latest libvirt (from the git repo, but I've
> > also tried release 0.10.0). Host os is Ubuntu 10.04 and the VM os is
> > also 10.04.
> >
> > I am getting the qemu version from qemu-system-x86_64 --version so I
> > know its the one that is recognized from path.
> >
>
> Could you check 'virsh dumpxml guest0 | grep emulator' and check what's
> the qemu being ran by libvirt?  Then take that path and run it with
> '<binary> -M ?' and check if the 'pc-1.1' is there.  To fix your issue,
> try 'virsh edit guest0' and change the 'pc-1.1' to 'pc'.
>
> > As far as I know, no other versions have been installed on the host
> machine.
> >
> > Shawn
> >
> > On Wed, Oct 10, 2012 at 10:25 AM, Kashyap Chamarthy <kchamart at redhat.com
> > <mailto:kchamart at redhat.com>> wrote:
> >
> >     On 10/10/2012 07:22 PM, Shawn Furrow wrote:
> >     > Hi all,
> >     >
> >     > I have been using Libvirt for several months now and I have only
> >     had minimal problems. I
> >     > had a particular setup and was starting up multiple guests just
> >     fine. However, with
> >     > seemingly no changes I now get the following error when trying to
> >     start a guest:
> >     >
> >     > virsh start guest0
> >     > error: Failed to start domain guest0
> >     > error: internal error Process exited while reading console log
> >     output: Supported machines are:
> >     > pc         Standard PC (alias of pc-0.12)
> >     > pc-0.12    Standard PC (default)
> >     > pc-0.11    Standard PC, qemu 0.11
> >     > pc-0.10    Standard PC, qemu 0.10
> >     > isapc      ISA-only PC
> >     >
> >     > Apparently, the machine argument settings were changed in recent
> >     versions of Libvirt. Or
> >     > at least that is what it seems. My guest's OS settings were:
> >     >
> >     > <os>
> >     >     <type arch='x86_64' machine='pc-1.1'>hvm</type>
> >     >     <boot dev='hd'/>
> >     > </os>
> >     >
> >     >
> >     > After getting this error I tried setting the machine argument to
> >     one of the "supported"
> >     > ones. Then I get this error:
> >     >
> >     > virsh start guest0
> >     > error: Failed to start domain guest0
> >     > error: Unable to read from monitor: Connection reset by peer
> >     >
> >     > Anyone have any ideas as to why this happened all of a sudden? I
> >     was not having any
> >     > problems before.
> >
> >     A couple of questions:
> >             - What libvirt version?
> >             - What OS/version?
> >             - What qemu-kvm version?
> >
> >     Can you reproduce the same issue with latest libvirt and qemu-kvm ?
> >     (that's what I have on
> >     my F18 machine -- libvirt-0.10.2-3.fc18.x86_64,
> >     qemu-kvm-1.2.0-11.fc18.x86_64) ?
> >
> >     That's the machine type I have.
> >
> >     # grep machine /etc/libvirt/qemu/f17jeos-3.xml
> >         <type arch='x86_64' machine='pc-1.2'>hvm</type>
> >
> >     >From the looks of it, I guess you have a fairly older versions of
> >     qemu-kvm?(or whatever
> >     your distro calls the binary as?)
> >
> >     >
> >     > Thanks,
> >     > Shawn
> >     >
> >     > --
> >     > Virginia Tech
> >     > Bradley Department of Electrical and Computer Engineering
> >     > B.S. Electrical Engineering
> >     > B.S. Computer Engineering
> >     >
> >     >
> >     >
> >     > _______________________________________________
> >     > libvirt-users mailing list
> >     > libvirt-users at redhat.com <mailto:libvirt-users at redhat.com>
> >     > https://www.redhat.com/mailman/listinfo/libvirt-users
> >     >
> >
> >
> >     --
> >     /kashyap
> >
> >
> >
> >
> > --
> > Virginia Tech
> > Bradley Department of Electrical and Computer Engineering
> > B.S. Electrical Engineering
> > B.S. Computer Engineering
> >
> >
> >
> > _______________________________________________
> > libvirt-users mailing list
> > libvirt-users at redhat.com
> > https://www.redhat.com/mailman/listinfo/libvirt-users
> >
>
>


-- 
Virginia Tech
Bradley Department of Electrical and Computer Engineering
B.S. Electrical Engineering
B.S. Computer Engineering
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