[Xen-users] Re: [Xen-community] trouble launching vm's

[Todd Deshane <deshantm@xxxxxxxxx>]

Hello Tim,

Moving this conversation to xen-users...

Some comments inline.

On Sat, Aug 14, 2010 at 11:05 PM, Tim Dunphy <bluethundr@xxxxxxxxx> wrote:
>
> Hello,
>
>  I must be missing something very very basic. Because I am having
> trouble launching some vm's that I recently built whereas I don't have
> any problem at all launching some older images I made in very much the
> same way!
>
>  First there is vm01 which works just fine:
>
> [root@lcent5-1:/etc/xen]$:xm create vm01
> Using config file "./vm01".
> Started domain vm01
> [root@lcent5-1:/etc/xen]$:
>
>
> And here is the conf file for vm01:
>
> name = "vm01"
> uuid = "4d996e30-dbce-4717-dbc6-8fa149ddf96b"
> maxmem = 256
> memory = 256
> vcpus = 1
> bootloader = "/usr/bin/pygrub"
> on_poweroff = "destroy"
> on_reboot = "restart"
> on_crash = "restart"
> disk = [ "tap:aio:/vm/vm01.img,xvda,w" ]
> vif = [ "mac=00:16:36:3a:88:ae,bridge=xenbr0,script=vif-bridge" ]
>
>
> So far so good!
>
> But when I try to launch vm05 this is what I get:
>
>  [root@lcent5-1:/etc/xen]$:xm create vm05
> Using config file "./vm05".
> Traceback (most recent call last):
>  File "/usr/bin/pygrub", line 682, in ?
>    chosencfg = run_grub(file, entry, fs)
>  File "/usr/bin/pygrub", line 536, in run_grub
>    g = Grub(file, fs)
>  File "/usr/bin/pygrub", line 203, in __init__
>    self.read_config(file, fs)
>  File "/usr/bin/pygrub", line 397, in read_config
>    raise RuntimeError, "couldn't find bootloader config file in the
> image provided."
> RuntimeError: couldn't find bootloader config file in the image provided.
> No handlers could be found for logger "xend"
> Error: Boot loader didn't return any data!
> Usage: xm create <ConfigFile> [options] [vars]
>
> Create a domain based on <ConfigFile>.
>
> Options:
>
> Then it lists some help options.
>
>  I can't quite figure out why the second and subsuquent vm's won't
> launch, because as I said they were built in exacltly the same way!
>

try running pygrub /vm/vm05.img

see if it spits out a similar error.

Another thing to try is mount the vm05.img to make sure it contains a
grub config file in / or /boot of that disk image.

Hope that helps.

Todd

>  Here is the conf file for vm05:
>
> name = "vm05"
> uuid = "6830ef63-88e9-69f4-be44-7a71efd4dfa4"
> maxmem = 256
> memory = 256
> vcpus = 1
> bootloader = "/usr/bin/pygrub"
> on_poweroff = "destroy"
> on_reboot = "restart"
> on_crash = "restart"
> vfb = [ "type=vnc,vncunused=1,keymap=en-us" ]
> disk = [ "tap:aio:/vm/vm05.img,xvda,w" ]
> vif = [ "mac=00:16:36:2a:0d:dd,bridge=xenbr0,script=vif-bridge" ]
>
>
> The only difference I can tell between the two is the name of the
> vm's. Can someone please let me know how to proceed to get vm05 and
> the others (which have a similar problem) launched?
>
>
> Thanks!
> Tim
>
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