On Thu, Nov 20, 2008 at 09:27:58AM -0500, Cole Robinson wrote: > Rajkumar S wrote: > > Hi, > > > > I had been running kvm in a previous version of Ubuntu with the > > following command line: > > > > /usr/bin/kvm > > -hda /mnt/kvm/vm-images-work/nanobsd.img > > -net nic,vlan=26,macaddr=52:54:00:12:34:26 -net tap,vlan=26,ifname=tap26 > > -net nic,vlan=27,macaddr=52:54:00:12:34:27 -net tap,vlan=27,ifname=tap27 > > -net nic,vlan=28,macaddr=52:54:00:12:34:28 -net tap,vlan=28,ifname=tap28 > > -m 640 -vnc :26 -usbdevice tablet > > > > <snip> > > > > > Which produces the following command line. > > > > /usr/bin/kvm -S -M pc -m 256 -smp 1 -name nanobsd -monitor pty > > -localtime -boot c > > -drive file=/mnt/kvm/vm-images-work/nanotest.img,if=ide,index=0,boot=on > > -net nic,macaddr=52:54:00:12:34:31,vlan=0 -net > > tap,fd=28,script=,vlan=0,ifname=vnet5 > > -net nic,macaddr=52:54:00:12:34:32,vlan=1 -net > > tap,fd=29,script=,vlan=1,ifname=vnet6 > > -net nic,macaddr=52:54:00:12:34:33,vlan=2 -net > > tap,fd=30,script=,vlan=2,ifname=vnet7 > > -serial vc -parallel none -usb -vnc 192.168.3.3:31 > > > > Problem with this configuration is that the screen freezes after > > couple of minuets of booting, I am not sure if this is the problem > > with the serial console or actual execution. I can see the serial > > console in ctrl-alt-2, but the window size changes. The image works > > perfectly in normal PC as well as if I use the previous command line. > > I guess I am missing some thing here, but I would be very happy if I > > can get the old behaviour back :) > > > > Could be memory related: previous config had 640 Mb, new config only has > 256. Yes, that'd be my first thought too. > > If that isn't the issue, I'd say just boot the new kvm command directly, > and remove pieces to see if there is a blatant culprit: ex. revert the > -drive line to use -hda, try with 0/1/2 nics, etc. My 2nd bet would be the serial port - worth removing that from the config because I know there's been QEMU bugs with serial ports before. Daniel -- |: Red Hat, Engineering, London -o- http://people.redhat.com/berrange/ :| |: http://libvirt.org -o- http://virt-manager.org -o- http://ovirt.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: GnuPG: 7D3B9505 -o- F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 :| -- Libvir-list mailing list Libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list