Another thought, the boot CD doesn't USB straight away does it? If you can switch to the 2nd console as soon as the CD boots up, then you should be able to disable printk's from going to the console by echoing 0 0 0 0 into /proc/sys/kernel/printk.
Another thought, the boot CD doesn't USB straight away does it? If you can kernel/ printk.
switch to the 2nd console as soon as the CD boots up, then you should be able to
disable printk's from going to the console by echoing 0 0 0 0 into
/proc/sys/