Re: [Xen-users] Unable to start HVM domU

["Manfred Haertel, DB3HM" <Manfred.Haertel@xxxxxxxxxxxx>]

Ryan Chewning schrieb:

> I'm trying to troubleshoot why i'm unable to launch a Xen HVM guest. I'm 
> encountering the following error, *map shared IO page returned error 3 *
> /usr/lib64/xen/bin/qemu-dm -boot cd -m 2048M -vnc 127.0.0.1:0 
> -drive 
> file=/var/lib/xen/ol7-app-template2/ol7-app-template,if=virtio,cache=writeback,format=raw 
> -name ol7-app-template -d all
You can not start a Xen guest by just starting the device model (qemu). 
You have to use "xl create", which starts qemu among other initializations.
qemu emulates *some* devices, but para-virtualized devices, memory 
management etc. are done by the hypervisor, which doesn't know that you 
started qemu...
--
Manfred Härtel, DB3HM    mailto:Manfred.Haertel@xxxxxxxxxxxx
                         http://rz-home.de/mhaertel

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