On Wed, Apr 01, 2009 at 10:13:53PM -0700, Sukadev Bhattiprolu wrote: > > I run qemu (version 0.9.1 kvm-84) with -serial option as follows: > > - serial telnet::2445,server > > so I can telnet to 2445 and have a serial console. > > I tried specifying this to libvirt (version 0.6.0) using the following stanza: > > <serial type='tcp'> > <source mode="bind" host="127.0.0.1" service="2445"/> > <protocol type="telnet"/> > <target port="1"/> > </serial> > > I checked /var/log/libvirt/qemu/<guest>.log and found that libvirt > added 'nowait' to the serial option: > > -serial telnet:127.0.0.1:2445,server,nowait > > which is fine (I think). > > But when I start my guest, and "telnet 127.0.0.1 2445" I don't get any > output even though the guest boots up fine. After the guest boots > > $ echo foo > /dev/ttyS0 > > in the guest shows the 'foo' in the telnet window. But I don't get the > boot/shutdown messages. > > I also have the vnc option in the xml, > > <graphics type='vnc' port='5902' autoport='no' listen='127.0.0.1'/> > > so if I open vncviewer, I can see the boot messages. The problem with this > though is if the kernel fails to boot for some reason, the vncviewer exits > and I can't find the reason the boot failed. > > My kernel boot command line has 'console=ttyS0' option. Is there anything > else I need to ensure 'telnet 127.0.0.1 port' displays the messages ? That setting should be what's required to make serial console work. Are you sure you've got it set in the correct place of grub.conf for the guest OS ? I have my guests configured using: "console=ttyS0 console=tty" whch makes messages go to the serial port and graphical console 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