[Bug 1564853] [NEW] xendomains fails to suspend VMs not running

[Philipp Hahn]

Public bug reported:

`/etc/init.d/xendomains stop` fails on xen-4.1.6.1 as it tries to parse
the output of "xm list", which has a varying number of columns for
running and already shut down VMs:

For managed inactive domains `xm list` does not output a domain-ID and a
state.

| # xm list
| Name                                        ID   Mem VCPUs      State   Time(s)
| Domain-0                                     0  3884     2     r-----     71.6
| yyy                                              512     1                 0.0
| xxx                                          7   512     1     -b----      1.1

Also cpu is not output.

Rewrite parseln() to use IFS for splitting and use number of output columns to
parse the lines.

** Affects: xen (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: patch

** Patch added: "Fix `xm list` parsing"
   https://bugs.launchpad.net/bugs/1564853/+attachment/4619341/+files/20_Bug40697_xendomains.patch

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Title:
  xendomains fails to suspend VMs not running

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