[one-users] Problem in booting VM

[Ruben S. Montero]

Hi Sander,

Thanks for the info!!!!

I'll add it  to the Debian platform notes

Cheers

Ruben

On Thu, Jul 23, 2009 at 8:49 AM, Sander Klous<sander at nikhef.nl> wrote:
> Hi,
> I just had this problem as well a few days ago. The xen packages on Lenny
> are broken. They don't work with the tap:aio interface, see:
>
> http://lists.alioth.debian.org/pipermail/pkg-xen-devel/2009-June/002344.html
>
> To fix it, I did (as root):
>
> ln -s /usr/lib/xen-3.2-1/bin/tapdisk /usr/sbin
> echo xenblktap >> /etc/modules
>
> After a reboot, it worked for me.
> Sander
>
> cmasmas cmasmas wrote:
>>
>> Hi,
>>
>> Both Dom0 and DomU are Debian Lenny.
>>
>> If I boot the VM directly with this .cfg, it goes Ok:
>>
>> /kernel = '/boot/vmlinuz-2.6.26-2-xen-686'
>> ramdisk = '/boot/initrd.img-2.6.26-2-xen-686'
>> memory = "256"
>> name = "a"
>> vif = ['mac=00:16:3e:22:22:22']
>> disk = ['file:/home/user/debian.5-0.x86.img,sda1,w']
>> root = "/dev/sda1 ro"/
>>
>> I'm using this template:
>>
>> /NAME   = vm-example
>> MEMORY = 768
>> OS     = [
>>  kernel   = "/boot/vmlinuz-2.6.26-2-xen-686",
>>  initrd   = "/boot/initrd.img-2.6.26-2-xen-686",
>>  root     = "sda1 ro"]
>>
>> DISK   = [
>>  source   = "/opt/nebula/images/debian-stacklet/debian.5-0.x86.img",
>>  target   = "sda1",
>>  readonly = "no" ]
>>
>> NIC    = [ mac  = "00:16:3e:58:82:3a" ]/
>>
>> which generates the following deployment.0 file:
>>
>> /name = 'one-61'
>> #O CPU_CREDITS = 256
>> memory  = '768'
>> kernel = '/boot/vmlinuz-2.6.26-2-xen-686'
>> ramdisk = '/boot/initrd.img-2.6.26-2-xen-686'
>> root = '/dev/sda1 ro'
>> disk = [
>>    'tap:aio:/opt/nebula/ONE/var//61/images/disk.0,sda1,w',
>> ]
>> vif = [
>>    'mac=00:16:3e:58:82:3a',
>> ]/
>>
>> So, the first problem is at this point. It takes about 5 minutes. However,
>> when booting directly (without using ONE) it takes a few seconds.
>>
>> /[    5.407251] XENBUS: Waiting for devices to initialise:
>> 295s...290s...285s...280s...275s...270s...265s...(...)75s...70s...65s...60s...55s...50s...45s...40s...35s...30s...25s...20s...15s...10s...5s...0s.../
>>
>> The second problem: It fails when trying to mount the root file system.
>> Without using ONE, this doesn't happen:
>>
>> /Begin: Mounting root file system ... Begin: Running /scripts/local-top
>> ... done.
>> Begin: Waiting for root file system ... ^Cdone.
>> Gave up waiting for root device.  Common problems:
>>  - Boot args (cat /proc/cmdline)
>>   - Check rootdelay= (did the system wait long enough?)
>>   - Check root= (did the system wait for the right device?)
>>  - Missing modules (cat /proc/modules; ls /dev)
>> ALERT! /dev/sda1 does not exist. Dropping to a shell!
>>
>> BusyBox v1.10.2 (Debian 1:1.10.2-2) built-in shell (ash)
>> Enter 'help' for a list of built-in commands.
>>
>> /bin/sh: can't access tty; job control turned off
>> (initramfs)/
>>
>> I'm stacked at this point. Any tip/advice is welcomed.
>>
>> ------------------------------------------------------------------------
>>
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>> Users at lists.opennebula.org
>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>
>
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>



-- 
+---------------------------------------------------------------+
 Dr. Ruben Santiago Montero
 Associate Professor
 Distributed System Architecture Group (http://dsa-research.org)

 URL:    http://dsa-research.org/doku.php?id=people:ruben
 Weblog: http://blog.dsa-research.org/?author=7

 GridWay, http://www.gridway.org
 OpenNebula, http://www.opennebula.org
+---------------------------------------------------------------+