Re: [Xen-users] Can't find root when start vm

[Jose Legido <jose@xxxxxxxxxx>]

On 10/02/11 12:18, Erwan RENIER wrote:
> Le 10/02/2011 11:35, Jose Legido a écrit :
>>
>>
>> On 10/02/11 11:13, James Harper wrote:
>>>> Hello.
>>>> I can't start Virtual Machine, have the message:
>>>>   Waiting for root file system ... done.
>>>> Gave up waiting for root device.  Common problems
>>>> .....
>>>> ALERT!  /dev/xvda2 does not exist.  Dropping to a shell!
>>>>
>>>> I have installed Xen 4 in a debian squeeze:
>>>> # uname -a
>>>> 2.6.32-5-xen-amd64 #1 SMP Wed Jan 12 05:46:49 UTC 2011 x86_64
>>> GNU/Linux
>>>> xen-hypervisor-4.0-amd64                4.0.1-2
>>> The
>>>> Xen Hypervisor on AMD64
>>>>
>>>> I have created the virtual machine with this command:
>>>> # xen-create-image --size=2Gb --swap=128Mb --dhcp --dist=stable
>>>> --dir=/home/xen --hostname=debian
>>>>
>>>> My debian.cfg is:
>>>> kernel      = '/boot/vmlinuz-2.6.32-5-xen-amd64'
>>>> ramdisk     = '/boot/initrd.img-2.6.32-5-xen-amd64'
>>>> vcpus       = '1'
>>>> memory      = '128'
>>>> root        = '/dev/xvda2 ro'
>>>> disk        = [
>>>>                    'file:/home/xen/domains/debian2/disk.img,xvda2,w',
>>>>                    'file:/home/xen/domains/debian2/swap.img,xvda1,w',
>>>>                ]
>>>> on_poweroff = 'destroy'
>>>> on_reboot   = 'restart'
>>>> on_crash    = 'restart'
>>>>
>>>> In my Server the filesystem is /dev/sda1.
>>>> I have tried with:
>>>> root        = '/dev/xvda1 ro'
>>>> root        = '/dev/sda1 ro'
>>>> root        = '/dev/sda2 ro'
>>>>
>>>> And the same problem
>>>>
>>>> In the /dev vm I have:
>>>> (initramfs) ls /dev
>>>> char console core cpu_dma_latency fd full hvc0 hvc1 hvc2 hvc3 hvc4
>>> hvc5
>>>> hvc6 hvc7 input kmsg mapper mem network_latency network_throughput
>>> null
>>>> port psaux ptmx pts random snapshot ttyx urandom vcs vcs1 vcsa vcsa1
>>>> vga_arbiter xen zero
>>>>
>>>> I have tried with vcs vcs1 vcsa vcsa1 but have the error:
>>>> mount: mounting /dev/vcs1 on /root failed: No such file or directory
>>>>
>>>> Any idea? I'm making wrong something?
>>>>
>>>> A lot of thanks!
>>>>
>>> Does /dev/xvda1 exist?
>> No, only vcs, vcsa and sda
>>> Is the frontend block device driver compiled as a
>>> module?
>> I have installed xen from aptitude install. I didn't configured frontend
>> block device driver, should I?
>>> James
>>
>> _______________________________________________
>> Xen-users mailing list
>> Xen-users@xxxxxxxxxxxxxxxxxxx
>> http://lists.xensource.com/xen-users
>>
> Hi , what's in the log of the vm ( like 
> /var/log/xen/qemu-dm-debian.log ) ?
> And in the xend.log ?


Hello, I can't see nothing in the logs. I upload in ompldr.org:
http://ompldr.org/vN2Ridg/domain-builder-ng.log
http://ompldr.org/vN2Ridw/xend.log


Thanks!


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