Re: [Xen-users] ubuntu64, xen-unstable (hg cloned today) and freebsd 7.0 i386

[Zakk <zakk-xenusers@xxxxxxxxx>]

(Just realized I sent this to the list with the wrong From: so it got eaten)

To get the FreeBSD installer to boot under xen 3.2, I had to do two things:

1) recompile xen with 'vmxassist=n'

2) disable apic in that domU (or boot the kernel with apic disabled)

-=Zakk

On Mar 11, 2008, at 12:15 PM, Davide D'Amico wrote:

Il giorno 11/mar/08, alle ore 17:02, Todd Deshane ha scritto:

On Tue, Mar 11, 2008 at 11:49 AM, Davide D'Amico <davide.damico@xxxxxxxxxx> wrote:

Hi,
I am using the configuration as in the subject and I'm unable to start
a FreeBSD 7 i386 iso image.
I have to use FreeBSD because of its jail construct (yes, I could use
OpenVZ, but this is another story).

Here the details.
Server:
  DELL Poweredge 2900 2 Quad Core Intel Xeon
root@dom-mgmt:/etc/xen# cat /proc/cpuinfo | grep flag | head -1
flags           : fpu de tsc msr pae mce cx8 apic sep mtrr mca cmov pat pse36
clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm constant_tsc
pni monitor ds_cpl vmx tm2 cx16 xtpr lahf_lm

Distribution:
  Ubuntu-server amd64 updated (I installed also gawk, bcc, libc-i386-
dev and build-essential).

Software:
  Xen 3.2 unstable (cloned from repository this morning)

Installation:
  make world
  make install

domU template:
root@dom-mgmt:/etc/xen# more dom0.televas.it
kernel          = '/usr/lib/xen/boot/hvmloader'
device_model    = '/usr/lib/xen/bin/qemu-dm'
builder         = 'hvm'

# VM/domain name
name            = 'fbsd'

# Memory and CPU settings
vcpus           = '2'
memory          = '1024'
serial          = 'pty'

# Disk settings
disk            = [ 'file:/home/dave/disk.img,hda,w','file:/home/dave/
7.0-RELEAS
E-i386-disc1.iso,hdc:cdrom,r' ]
boot            = 'd'

# Graphics settings
sdl             = '0'
vnc             = '1'
vncviewer       = '1'
nographics      = '1'

# Other settings
apic            = '1'
acpi            = '1'
localtime       = '1'

# Start/stop settings
on_poweroff     = 'destroy'
on_reboot       = 'destroy'
on_crash        = 'destroy'

Xen config file is the default, with vnc listening on all interfaces.

FreeBSD 7 RELEASE halts on "Relocating the loader and the BTX"

I tried everything I can, including:
- Debian Lenny and Xen 3.2.0 from repository;
- Ubuntu 64 and Xen 3.1.0 from repository;
- Fedora 8 amd64 and Xen 3.2.0 from xen website
And I had always the same behaviour.


Any news/ideas?

On Ubuntu hardy I have ran into these two bugs. Not sure if your problem is related or not. Maybe it will give you some ideas.

https://bugs.launchpad.net/ubuntu/+source/xen-3.2/+bug/192294
https://bugs.launchpad.net/ubuntu/+source/xen-3.2/+bug/199533

Thanks for your quick answer, but the problem is related to vt-x, infact a lot of users are able to run FreeBSD as domU using

AMD processors, but DELL doesn't sell them :-(

dave

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