Donglai Zhang
2009-Jun-21 05:57 UTC
[Xen-users] Can''t get guest domain network working and what doe eth0:off mean
Hi,
I can''t get the domU guest network working. I checked
/var/log/xen/xend.log
and found:
[2009-06-19 12:52:30 4213] DEBUG (XendDomainInfo:3051) Storing VM details:
{''on_xend_stop'': ''ignore'',
''shadow_memory'': ''0'',
''uuid'':
''1b5c4d5a-adfa-9315-6e49-ad6f6271027a'',
''on_reboot'': ''restart'',
''start_time'': ''1245381750.6'',
''on_poweroff'': ''destroy'',
''bootloader_args'':
'''', ''on_xend_start'':
''ignore'', ''on_crash'':
''restart'', ''xend/restart_count'':
''0'', ''vcpus'': ''1'',
''vcpu_avail'': ''1'',
''bootloader'': '''', ''image'':
"(linux
(kernel /boot/vmlinuz-2.6.18.8-xen-U) (ramdisk
/boot/initrd-2.6.18.8-xen.img) (args ''root=/dev/sda8 ro
ip=192.168.1.2:127
.0.255.255:192.168.1.1:255.255.255.0:domain-1.xeno:eth0:off 4 VMID=1'')
(videoram 4) (notes (HV_START_LOW 4118806528) (FEATURES
''writable_page_tables|writable_descriptor_tables|auto_translated_physmap|pae_pgdir_above_4gb|supervisor_mode_kernel'')
(VIRT_BASE 3221225472) (GUEST_VERSION 2.6) (PADDR_OFFSET 3221225472)
(GUEST_OS linux) (HYPERCALL_PAGE 3222278144) (LOADER generic)
(SUSPEND_CANCEL 1) (PAE_MODE yes) (ENTRY 3222274048) (XEN_VERSION
xen-3.0)))", ''name'': ''VM1''}
Thre is eth0:off , would you please tell me what does this mean?
Cheers,
Donglai
On Thu, Jun 18, 2009 at 5:36 PM, Donglai Zhang
<dlzhangster@gmail.com>wrote:
> Hi,
>
> Yes, I also tested with centos it has the same problem, it turns out that
> the two interfaces is a problem with
> my configuration file, I have changed that from:
> vif = [ ''mac=00:16:3e:31:48:5f'',
''bridge=eth1'' ]
>
> To:
>
> vif = [ ''mac=00:16:3e:31:48:5f, bridge=eth0'' ]
> and now it only show one interface in guest domain.
>
>
> By copying the kernel and image file from Ubuntu to the dom0 and use them
> to create a new guest domain got this message:
> # xm create xm03dlzhang
> Using config file "./xm03dlzhang".
> Error: (2, ''Invalid kernel'',
''elf_xen_note_check: ERROR: Will only load
> images built for the generic loader or Linux images'').
> Any idea?
>
>
> Thanks,
>
> Donglai
>
>
>
> Looks to me like this configuration file is trying to boot a Fedora Xen
>> DomU kernel on an Ubuntu image? If so that would explain why you are
>> having to copy over the kernel module files.
>>
>> I would suggest that you either copy the Ubuntu DomU kernel (and
>> possibly the initrd) to the Dom0 file system somewhere and specify that
>> in the kernel= line, or specifiy a
>>
>>
>
>> bootloader="/usr/bin/pygrub"
>>
>> line instead of the kernel= line so that Ubuntu Xen DomU kernel is
>> loaded from the guest file system. The later is the better option in
my
>> opinion.
>>
>> It is odd that the DomU is showing 2 interfaces when only one is
>> defined, but lets make sure that the correct kernel/modules are loaded
>> first.
>>
>> Regards
>>
>> Mike
>>
>>
>
>
>
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