On 08/09/2011 06:33 PM, Pekka Enberg wrote:
This patch updates 'kvm run' to boot to host filesystem via 9p '/bin/sh' by
default:
$ ./kvm run
# kvm run -k ../../arch/x86/boot/bzImage -m 320 -c 2 --name guest-3462
[ 0.000000] Linux version 3.1.0-rc1+ (penberg@tiger) (gcc version 4.4.3 (Ubuntu 4.4.3-4ubuntu5) ) #7 SMP PREEMPT Tue Aug 9 16:39:20 EEST 2011
[ 0.000000] Command line: notsc noapic noacpi pci=conf1 reboot=k panic=1 console=ttyS0 earlyprintk=serial init=/bin/sh root=/dev/vda rw root=/dev/root rootflags=rw,trans=virtio,version=9p2000.u rootfstype=9p
[snip]
[ 1.803261] VFS: Mounted root (9p filesystem) on device 0:13.
[ 1.805153] devtmpfs: mounted
[ 1.808353] Freeing unused kernel memory: 924k freed
[ 1.810592] Write protecting the kernel read-only data: 12288k
[ 1.816268] Freeing unused kernel memory: 632k freed
[ 1.826030] Freeing unused kernel memory: 1448k freed
sh: cannot set terminal process group (-1): Inappropriate ioctl for device
sh: no job control in this shell
sh-4.1#
Most kernels won't have 9p built-in, so how about building a tiny initrd
to load the needed modules?
btw, I get
# ./kvm run
# kvm run -k ../../arch/x86/boot/bzImage -m 1728 -c 24 --name guest-10193
<hang>
--
error compiling committee.c: too many arguments to function
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