[xen-tools-discuss] Problem: Ubuntu 14.04 LTS DomU via xen-create-image on Debian Wheezy Dom0

[Dominik Henze]

Hi,

just to inform anyone other who has this issue, too. 

Axel was right, I upgraded the xen-tools version to the stable Version 4.4
with the .deb Package on the Homepage.
This works fine in Debian Wheezy. After that I still had to upgrade the
debootstrap version. (I used the version in the backports (v1.0.55))
Then everything works pretty fine!

Thanks for the Help and greetings.
Dominik


-----Ursprüngliche Nachricht-----
Von: xen-tools-discuss-bounces at xen-tools.org
[mailto:xen-tools-discuss-bounces at xen-tools.org] Im Auftrag von Dominik
Henze
Gesendet: Mittwoch, 23. April 2014 19:24
An: 'Axel Beckert'; xen-tools-discuss at xen-tools.org
Betreff: Re: [xen-tools-discuss] Problem: Ubuntu 14.04 LTS DomU via
xen-create-image on Debian Wheezy Dom0

Hi Axel,

thank you for your fast response.

-----Ursprüngliche Nachricht-----
Von: xen-tools-discuss-bounces at xen-tools.org
[mailto:xen-tools-discuss-bounces at xen-tools.org] Im Auftrag von Axel Beckert
Gesendet: Mittwoch, 23. April 2014 19:05
An: xen-tools-discuss at xen-tools.org
Betreff: Re: [xen-tools-discuss] Problem: Ubuntu 14.04 LTS DomU via
xen-create-image on Debian Wheezy Dom0

Hi Dominik,

>On Wed, Apr 23, 2014 at 05:44:34PM +0200, Dominik Henze wrote:
>> I added the new symlink in the debootstrap folder
>> (/usr/share/debootstrap/scripts/) as following, cause I saw in the 
>> actual package of xen-tools in ubuntu 14.04 that the link is still to
gusty.

>Did you mean debootstrap instead of xen-tools in the last line?

Yes you are right! I mean debootstrap. I didn´t know if I need the 10.04
script in both (xen-tools and debootstrap) so i decided to set it in both
directories.

>> The Setup starts as expected but after the following line in the 
>> log-file
of
>> /var/log/xen-tools/test.log xen-tools stopped working
>> 
>> I: Base system installed successfully.
>> 
>>  
>> 
>> A few minutes later after any response the process terminates without 
>> any error or warning. But the lvm of the new device is still mounted 
>> in tmp
and
>> it seems that udevd is still accessing some files inside:
>> 
>> #:/usr/lib/xen-tools# lsof /tmp/iUWdYNtPvu
>> 
>> COMMAND  PID USER   FD   TYPE DEVICE SIZE/OFF   NODE NAME
>> 
>> udevd   3947 root  cwd    DIR 253,55     4096      2 /tmp/iUWdYNtPvu
>> 
>> udevd   3947 root  rtd    DIR 253,55     4096      2 /tmp/iUWdYNtPvu
>> 
>> udevd   3947 root  txt    REG 253,55   239896 467300
>> /tmp/iUWdYNtPvu/lib/systemd/systemd-udevd
>[...]
>> so I cannot umount the tmp-device and I don´t know if I can kill this
udevd
>> process without having issues on the root-server.

>This sounds like
>https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=725192 (which was 
>fixed in 4.4 RC1)

I Don´t know what the initctl has to do with this problem but I believe you
here.

>> I tried to search for processes who still working on the image creation.
I
>> searched via ps aux for perl, xen-create-image, debootstrap, the tmp
folder
>> and so on.

>No, there should none of them be left. The issue is likely that some 
>daemons have been started in the chroot during bootstrapping or package 
>installation while they shouldn't.

Yes that sounds likely!

>> -          What is this udevd deamon does with the files ? can I kill it
or
>> doing something else to umount the tmp-device again

>I think you can kill it. Just make sure you only kill the one inside 
>the chroot, not the one responsible for your Dom0. :-)

That´s the Problem, killing processes are dangerous every time. You know a
good solution to be sure here, don´t you?
I would simple kill the process id shown by lsof, but I hope it has no
further impact.

>> -          Are there any ideas or issues of using 14.04 lts on xen-tools

>xen-tools 4.4 should work properly and is tested (at least with some 
>beta version of Ubuntu 14.04). You may also need a newer debootstrap.
>There's one in wheezy-backports. (Maybe I should make an official 
>backport of xen-tools, too. Nevertheless the package from 
>Unstable/Testing works fine on Debian Stable, too.)

Ok, I will try to upgrade as well, thanks for this info.

>Looking at the not yet released code, there's only a bug fix for proper 
>Debian Jessie support (kernel package names changed in Wheezy and 
>there's no more transitional package in Jessie).

		Kind regards, Axel
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