Hi all,

on my System (FC6, x86 Thinkpad) Checkpointing of a VE fails. See the log
here:

[root@HN ~]# vzctl create 104 --ostemplate fedora-core-6-i686-default
--ipadd 192.168.0.104 --hostname ve104
Unable to get full ostemplate name for fedora-core-6-i686-default
Creating VE private area (fedora-core-6-i686-default)
Performing postcreate actions
VE private area was created

[root@HN ~]# vzctl start 104
Starting VE ...
VE is mounted
Adding IP address(es): 192.168.0.104
Setting CPU units: 1000
Configure meminfo: 49152
Set hostname: ve104
VE start in progress...

[root@HN ~]# vzctl chkpnt 104
Setting up checkpoint...
        suspend...
Can not suspend VE: Device or resource busy
file on unsupported FS: magic 0bad1dea
Checkpointing failed

[root@HN ~]# vzctl exec 104 cat /proc/mounts
simfs / simfs rw 0 0
proc /proc proc rw 0 0
sysfs /sys sysfs rw 0 0
tmpfs /dev tmpfs rw 0 0
devpts /dev/pts devpts rw 0 0

[root@HN ~]# uname -a
Linux HN.domain.com 2.6.18-ovz028stab039.1 #1 Tue Jul 24 12:00:07 MSD 2007
i686 i686 i386 GNU/Linux

[root@HN ~]# vzctl --version
vzctl version 3.0.18

I found out from wiki that this "0bad1dea" error can happen with kernel
versions prior to 028stab035 but my version is the most recent one. So can
somone help me on this?

Mit freundlichen Grüßen / Best Regards
Christian Kaiser
--
IBM Deutschland Entwicklung GmbH
Open Systems Firmware Development
mail: ckaiser2@de.ibm.com

IBM Deutschland Entwicklung GmbH
Vorsitzender des Aufsichtsrats: Martin Jetter
Geschäftsführung: Herbert Kircher
Sitz der Gesellschaft: Böblingen
Registergericht: Amtsgericht Stuttgart, HRB 243294

Christian,

it's due to inotify interface used by someone (most likely udev).
This is fixed in RHEL5 2.6.18 kernel branch, and I will check
why I haven't ported it to mainstream as well. There was some reason I remember...

Thanks,
Kirill

Christian Kaiser2 wrote:
> Hi all,
> 
> on my System (FC6, x86 Thinkpad) Checkpointing of a VE fails. See the log
> here:
> 
> [root@HN ~]# vzctl create 104 --ostemplate fedora-core-6-i686-default
> --ipadd 192.168.0.104 --hostname ve104
> Unable to get full ostemplate name for fedora-core-6-i686-default
> Creating VE private area (fedora-core-6-i686-default)
> Performing postcreate actions
> VE private area was created
> 
> [root@HN ~]# vzctl start 104
> Starting VE ...
> VE is mounted
> Adding IP address(es): 192.168.0.104
> Setting CPU units: 1000
> Configure meminfo: 49152
> Set hostname: ve104
> VE start in progress...
> 
> [root@HN ~]# vzctl chkpnt 104
> Setting up checkpoint...
>         suspend...
> Can not suspend VE: Device or resource busy
> file on unsupported FS: magic 0bad1dea
> Checkpointing failed
> 
> [root@HN ~]# vzctl exec 104 cat /proc/mounts
> simfs / simfs rw 0 0
> proc /proc proc rw 0 0
> sysfs /sys sysfs rw 0 0
> tmpfs /dev tmpfs rw 0 0
> devpts /dev/pts devpts rw 0 0
> 
> [root@HN ~]# uname -a
> Linux HN.domain.com 2.6.18-ovz028stab039.1 #1 Tue Jul 24 12:00:07 MSD 2007
> i686 i686 i386 GNU/Linux
> 
> [root@HN ~]# vzctl --version
> vzctl version 3.0.18
> 
> I found out from wiki that this "0bad1dea" error can happen with kernel
> versions prior to 028stab035 but my version is the most recent one. So can
> somone help me on this?
> 
> Mit freundlichen Grüßen / Best Regards
> Christian Kaiser
> --
> IBM Deutschland Entwicklung GmbH
> Open Systems Firmware Development
> mail: ckaiser2@de.ibm.com
> 
> IBM Deutschland Entwicklung GmbH
> Vorsitzender des Aufsichtsrats: Martin Jetter
> Geschäftsführung: Herbert Kircher
> Sitz der Gesellschaft: Böblingen
> Registergericht: Amtsgericht Stuttgart, HRB 243294
> 
>

I thought that udev is disabled (not installed) in the precreated templates
you provide. I killed the udev process in the VE and now checkpointing
works fine for me.

Mit freundlichen Grüßen / Best Regards
Christian Kaiser
--
IBM Deutschland Entwicklung GmbH
Open Systems Firmware Development
mail: ckaiser2@de.ibm.com

IBM Deutschland Entwicklung GmbH
Vorsitzender des Aufsichtsrats: Martin Jetter
Geschäftsführung: Herbert Kircher
Sitz der Gesellschaft: Böblingen
Registergericht: Amtsgericht Stuttgart, HRB 243294

Kirill Korotaev <dev@sw.ru> wrote on 08/01/2007 12:48:38 PM:

> Christian,
>
> it's due to inotify interface used by someone (most likely udev).
> This is fixed in RHEL5 2.6.18 kernel branch, and I will check
> why I haven't ported it to mainstream as well. There was some reason
> I remember...
>
> Thanks,
> Kirill
>
> Christian Kaiser2 wrote:
> > Hi all,
> >
> > on my System (FC6, x86 Thinkpad) Checkpointing of a VE fails. See the
log
> > here:
> >
> > [root@HN ~]# vzctl create 104 --ostemplate fedora-core-6-i686-default
> > --ipadd 192.168.0.104 --hostname ve104
> > Unable to get full ostemplate name for fedora-core-6-i686-default
> > Creating VE private area (fedora-core-6-i686-default)
> > Performing postcreate actions
> > VE private area was created
> >
> > [root@HN ~]# vzctl start 104
> > Starting VE ...
> > VE is mounted
> > Adding IP address(es): 192.168.0.104
> > Setting CPU units: 1000
> > Configure meminfo: 49152
> > Set hostname: ve104
> > VE start in progress...
> >
> > [root@HN ~]# vzctl chkpnt 104
> > Setting up checkpoint...
> >         suspend...
> > Can not suspend VE: Device or resource busy
> > file on unsupported FS: magic 0bad1dea
> > Checkpointing failed
> >
> > [root@HN ~]# vzctl exec 104 cat /proc/mounts
> > simfs / simfs rw 0 0
> > proc /proc proc rw 0 0
> > sysfs /sys sysfs rw 0 0
> > tmpfs /dev tmpfs rw 0 0
> > devpts /dev/pts devpts rw 0 0
> >
> > [root@HN ~]# uname -a
> > Linux HN.domain.com 2.6.18-ovz028stab039.1 #1 Tue Jul 24 12:00:07 MSD
2007
> > i686 i686 i386 GNU/Linux
> >
> > [root@HN ~]# vzctl --version
> > vzctl version 3.0.18
> >
> > I found out from wiki that this "0bad1dea" error can happen with kernel
> > versions prior to 028stab035 but my version is the most recent one. So
can
> > somone help me on this?
> >
> > Mit freundlichen Grüßen / Best Regards
> > Christian Kaiser
> > --
> > IBM Deutschland Entwicklung GmbH
> > Open Systems Firmware Development
> > mail: ckaiser2@de.ibm.com
> >
> > IBM Deutschland Entwicklung GmbH
> > Vorsitzender des Aufsichtsrats: Martin Jetter
> > Geschäftsführung: Herbert Kircher
> > Sitz der Gesellschaft: Böblingen
> > Registergericht: Amtsgericht Stuttgart, HRB 243294
> >
> >