[Xen-devel] hvm guest direct kernel boot

[William Dauchy <wdauchy@xxxxxxxxx>]

Hi,

I'm trying to boot a hvm guest directly on a linux kernel.
Here is my config file:

name='test'
builder='hvm'
memory = 512
vcpus=1
cpus = ['1']
disk = ['phy:/dev/iscsi/hosting-2253:0,hda,w']
device_model = '/usr/lib/xen/bin/qemu-dm'
loader='/usr/lib/xen/boot/hvmloader'
kernel='/boot/bzImage'
serial='pty'
apic=0
acpi=1
pae=0
videoram=4
stdvga=0
nographic=1
sdl=0
isa=0
display=0
vncdisplay=0

I'm using Xen 4.1.1 with an upstream linux 3.1-rc1 for the dom0.

The console is not working and the qemu-dm process is dying after a while
Here are the qemu-dm log:

# cat /var/log/xen/qemu-dm-test.log
domid: 58
-videoram option does not work with cirrus vga device model. Videoram set to 4M.
Using file /dev/iscsi/hosting-2253:0 in read-write mode
Watching /local/domain/0/device-model/58/logdirty/cmd
Watching /local/domain/0/device-model/58/command
Watching /local/domain/58/cpu
char device redirected to /dev/pts/1
qemu_map_cache_init nr_buckets = 10000 size 4194304
shared page at pfn feffd
buffered io page at pfn feffb
Guest uuid = fa5d2eb8-d026-9f66-8ccc-3f89f1545517
Time offset set 0
populating video RAM at ff000000
mapping video RAM from ff000000
Register xen platform.
Done register platform.
platform_fixed_ioport: changed ro/rw state of ROM memory area. now is rw state.
xs_read(/local/domain/0/device-model/58/xen_extended_power_mgmt): read error
Log-dirty: no command yet.
I/O request not ready: 0, ptr: 0, port: 0, data: 0, count: 0, size: 0
(qemu) vcpu-set: watch node error.
char device redirected to /dev/pts/2
xen be: console-0: xen be: console-0: initialise() failed
initialise() failed
xs_read(/local/domain/58/log-throttling): read error
qemu: ignoring not-understood drive `/local/domain/58/log-throttling'
medium change watch on `/local/domain/58/log-throttling' - unknown
device, ignored
xen be: console-0: xen be: console-0: initialise() failed
initialise() failed
xen be: console-0: xen be: console-0: initialise() failed
initialise() failed
xen be: console-0: xen be: console-0: initialise() failed
initialise() failed
xen be: console-0: xen be: console-0: initialise() failed
initialise() failed
xen be: console-0: xen be: console-0: initialise() failed
initialise() failed
xen be: console-0: xen be: console-0: initialise() failed
initialise() failed
xen be: console-0: xen be: console-0: initialise() failed
initialise() failed
xen be: console-0: xen be: console-0: initialise() failed
initialise() failed
xen be: console-0: xen be: console-0: initialise() failed
initialise() failed
xen be: console-0: xen be: console-0: initialise() failed
initialise() failed
xen be: console-0: xen be: console-0: initialise() failed
initialise() failed
cirrus vga map change while on lfb mode
mapping vram to f0000000 - f0400000
platform_fixed_ioport: changed ro/rw state of ROM memory area. now is rw state.
platform_fixed_ioport: changed ro/rw state of ROM memory area. now is ro state.

I was wondering how could I fix the following errors:
xs_read(/local/domain/0/device-model/58/xen_extended_power_mgmt): read error
qemu: ignoring not-understood drive `/local/domain/58/log-throttling'
xen be: console-0: xen be: console-0: initialise() failed

I can't see what I forgot to make it boot on the kernel and make the
console working.

Regards,

-- 
William

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