Re: [Xen-users] issue moving guest from 3.2 to 4.01

[chris <tknchris@xxxxxxxxx>]

# grep '^(' /etc/xen/xend-config.sxp
(vif-script vif-bridge)
(dom0-min-mem 196)
(enable-dom0-ballooning yes)
(total_available_memory 0)
(dom0-cpus 0)
(vnc-listen '0.0.0.0')

# xm info
host                   : mango
release                : 2.6.32-5-xen-amd64
version                : #1 SMP Fri Dec 10 17:41:50 UTC 2010
machine                : x86_64
nr_cpus                : 8
nr_nodes               : 1
cores_per_socket       : 4
threads_per_core       : 2
cpu_mhz                : 2800
hw_caps                :
bfebfbff:28100800:00000000:00001b40:0098e3fd:00000000:00000001:00000000
virt_caps              : hvm
total_memory           : 4087
free_memory            : 256
node_to_cpu            : node0:0-7
node_to_memory         : node0:256
node_to_dma32_mem      : node0:173
max_node_id            : 0
xen_major              : 4
xen_minor              : 0
xen_extra              : .1
xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32
hvm-3.0-x86_32p hvm-3.0-x86_64
xen_scheduler          : credit
xen_pagesize           : 4096
platform_params        : virt_start=0xffff800000000000
xen_changeset          : unavailable
xen_commandline        : placeholder
cc_compiler            : gcc version 4.4.5 20100824 (prerelease)
(Debian 4.4.4-11)
cc_compile_by          : waldi
cc_compile_domain      : debian.org
cc_compile_date        : Fri Sep  3 15:38:12 UTC 2010
xend_config_format     : 4

>From the guest filesystem loop mounted at /mnt/tmp:

/mnt/tmp/lib/modules# ls
2.6.26-2-xen-amd64

I could try copying the modules for the newer domU kernel but would
that really cause an error that early on? I mean the kernel isn't even
starting so I don't think the modules are whats causing this.

On Wed, Dec 22, 2010 at 3:30 PM, Mark Pryor <tlviewer@xxxxxxxxx> wrote:
>
>
> --- On Wed, 12/22/10, chris <tknchris@xxxxxxxxx> wrote:
>
>> From: chris <tknchris@xxxxxxxxx>
>> Subject: [Xen-users] issue moving guest from 3.2 to 4.01
>> To: "Xen-Users List" <xen-users@xxxxxxxxxxxxxxxxxxx>, "Xen-Devel List" 
>> <xen-devel@xxxxxxxxxxxxxxxxxxx>
>> Date: Wednesday, December 22, 2010, 10:59 AM
>> Hello,
>>
>> I have a pv linux guest which works perfectly on 3.2 and
>> when I moved
>> the guest to the new server (debian squeeze, xen 4.0.1) I
>> cannot start
>> it, I get the following error:
>>
>> # xm create vm-customer.cfg
>> Using config file "./vm-customer.cfg".
>> Error: (1, 'Internal error', 'launch_vm: SETVCPUCONTEXT
>> failed (rc=-1)\n')
>>
>
> this looks to be a problem with dom0 config, not domU.
>
> It's easier to help if you post:
>
> #grep '^(' /etc/xen/xend-config.sxp ;    (dom0-cpus 0) is a safe value
>
> #xm info
>
> in domU
> #ls -al /lib/modules/   ; chances are the modules are not compatible with 
> dom0 kernel
>
> --
> Mark
>
>
>
>

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