On 02/08/2012 03:52 AM, Felix Blanke wrote: > On 2/8/12 9:46 AM, Osier Yang wrote: >> On 2012幎02æ??08æ?¥ 05:08, Felix Blanke wrote: >>> Hello, >>> >>> sorry for bother you again. I'm new to kvm and libvirt, that's why my >>> next question is maybe some sort of noob question :) >>> >>> I have a headless server (no X at all, just ssh) and want to run some >>> virtual machines on it. I have kvm etc. all set up. >>> >>> When doing something like >>> >>> virt-install --connect qemu:///system -n template -r 1024 --disk >>> path=/data/vm/template.qcow2,format=qcow2 -c >>> /data/vm/livedvd-amd64-multilib-2012.iso --os-type linux -v >>> --network=bridge:br0 --virt-type kvm --arch x86_64 --graphics none >>> >>> >>> the vm starts >>> >>> Starting install... >>> Creating domain... >>> >>> Connected to domain template >>> Escape character is ^] >>> >>> >>> That's it, no more output. I see two threads running, each takes up 100% >>> cpu. >>> I tried to help myself via google and read a lot hints like "you need to >>> setup your guest to get a serial console...", but that's not possible >>> when running a fresh vm. All I want to do is getting some sort of >>> console from the vm to start the installation with the given .iso file. >>> >>> Could someone lead me into the right direct? A link to an explanation >>> would be more then enough :) >> >> Try "--extra-args" to see if it works for you. e.g. >> >> --extra-args="console=ttyS0,115200" >> > > This doesn't work: > > <snip> > ERROR --extra-args only work if specified with --location. > </snip> > > But I don't know what to tell for --location for a gentoo, because you compile > your own kernel, etc. > If you are booting from CD, the only way to get serial output is to either connect graphically and specify custom kernel args if the ISO has a splash screen, or edit the files on the ISO to manually change the boot args. - Cole
