I have a client that has an existing systemimager infrastructure
management system; I am helping them virtualize their computer systems
using Xen. The version of systemimager they use uses a heavily modified
2.4 linux kernel on a floppy to boot new computers. I set them up with
QEMU to do the same thing from the dom0 to install domUs. (that is, they
run qemu in the master (driver) domain, and it installs into the
unprivileged domain, or the virtual server) The problem is that once
the install finishes, the system reboots; the idea being that
with the floppy, you boot and then take the floppy out, and the system
reboots into the installed system. With qemu, this just infinitely
loops. (I'm sure this could be fixed in systemimager, but frankly I am
more comfortable playing with qemu than with systemimager.)
Anyhow, I did some googling, and found Brad Cambell's -no-reboot patch,
and it solves the problem nicely.
http://www.mail-archive.com/qemu-devel@nongnu.org/msg06327.html
the patch applies cleanly to the current stable qemu release, but it sure
would be nice if it were included in the base qemu distribution; most of
my clients are a little uncomfortable compiling their own software, and
patch is right out.
What needs to happen to get this patch committed? I'd be willing to spend
some time on it if required.
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