RE: [Xen-users] Building from Source

[jonr@xxxxxxxxxx]

Are you using this config file for your domu?

name = "lb1"
builder = "hvm"
memory = "512"
device_model = "/usr/lib/xen/bin/qemu-dm"
kernel = "/usr/lib/xen/boot/hvmloader"
#disk = ['phy:/dev/loop0,hda,w']
boot="c"
acpi="0"
serial = "pty"
vncpasswd = "test"

I found this in one of your previous emails to the list. I used this  
to see if I could replicate your problem. Using the config file for  
domu that you supplied I get the exact same results on a working  
xen3.3 box.
You are trying to use the loop device for a disk for a hvm machine.  
You are using 'boot="c"' when there is nothing on the "disk". You need  
a line like this:
disk=['phy:/dev/rootvg/nathan,hda,w','file:/home/jonr/nevaeh-i386.iso,hdc:cdrom,r']

I am using your config file and booting just fine. Your problem is  
your "disk=" line in your config file. I am using LVM's in this  
example but you could also use file based "disks".
When I use the config file you supplied on the list I get the exact  
same errors in /var/log/xen/qemu-dm-lb1.log.
You do not want to use /dev/loop0 as a disk.

Jon

Quoting Nathan Eisenberg <nathan@xxxxxxxxxxxxxxxx>:

> Jon,
>
> I guess I didn't explain clearly...
>
> I cannot get a DomU to stay in a running state.  It doesn't matter   
> if there is a disk attached or not, the DomU dies almost instantly.
> Thank You,
> Nathan Eisenberg
> Sr. Systems Administrator
> Atlas Networks, LLC
>
>
> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx   
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of   
> jonr@xxxxxxxxxx
> Sent: Friday, October 24, 2008 12:13 PM
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: RE: [Xen-users] Building from Source
>
> Quoting Nathan Eisenberg <nathan@xxxxxxxxxxxxxxxx>:
>
> > Jon,
> >
> > As I mentioned - the disk line seems to have no effect on whether or
> >  not the DomU boots.  Even with no disk line, I get the same
> > results.   The loop device was just a temporary contrivance for
> > testing, but  is definitely not the cause of the issue.
> Nathan,
>
> Using your config file I can get the same results on a known working
> dom0. Whether I have the disk line in or not, when I boot the domu
> this is what I see:
>
> root@xenproof:/etc/xen# xm create nathan
> Using config file "./nathan".
> Started domain lb1
>
> root@xenproof:/etc/xen# xm list
> Name                                        ID   Mem VCPUs      State
>   Time(s)
> Domain-0                                     0  2367     2       
> r-----   2073.1
> domutest                                    12   512     1       
> r-----   3662.0
> Is this what you are seeing as well?
>
> What OS is on loop0? Did you already install an OS onto that device? I
> went back through the archives and couldn't find the email that said
> you had already done that. I may have missed it though.
>
> Jon
>
>
>
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