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
> 
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