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February 13 2010

Xen subtarget in OpenWRT, yay!

OpenWRT on Xen patched, up and running

see the following changesets for what is done:

nice. we give back to the connected funk-haeusers!

December 04 2009

xm console not working (blank)

xm console not working (blank)

on some xen domUs I recently figured that the xm console didn't come
up. so investigating the issue I found out that you gotta set the
tty in the machine's config like this:

extra       = 'xencons=tty1'

but still I get a blank screen instead of the login. solution is simple,
for systems still having an inittab (eg. debian) look for the following

nano /etc/inittab

1:2345:respawn:/sbin/getty 38400 tty1

for systems which utilize upstart already (ubuntu) look for another file:

nano /etc/event.d/tty1

start on stopped rc2
start on stopped rc3
start on stopped rc4
start on stopped rc5

stop on runlevel 0
stop on runlevel 1
stop on runlevel 6

exec /sbin/getty 38400 tty1

makes the xm console work on all my machines again.

June 21 2009

OpenWrt as Xen instance

preparing the guest system

you need to put following

  1. /etc/preinit

    • add "mknod /dev/hvc0 c 229 0"
    • before "exec /sbin/init"
  2. /etc/inittab


in the domU.conf, aside the usual settings:

  • root = '/dev/xvda1 rw'
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