Thank you for the report.
This is correct. uvtool on Trusty waits for upstart to be ready on the
guest. Xenial uses systemd, so upstart never completes there. This
couldn't have been known at the time of release of Trusty!
You can work around this by asking uvtool to use a custom wait script
using the --remote-wait-script option.
See remote-wait.sh in the source. Here's the difference between Trusty
and Xenial:
$ diff -u uvtool-0~bzr9{2,9}/remote-wait.sh
--- uvtool-0~bzr92/remote-wait.sh 2014-04-01 13:06:54.000000000 +0100
+++ uvtool-0~bzr99/remote-wait.sh 2015-04-13 17:32:11.000000000 +0100
@@ -1,8 +1,12 @@
#!/bin/sh
set -e
-# Wait for runlevel 2
-while [ "$(runlevel|awk '{print $2}')" != 2 ]; do sleep $UVTOOL_WAIT_INTERVAL;
done
+# Wait for runlevel 2 (upstart) or 5 (systemd)
+while :; do
+ runlevel=`runlevel|awk '{print $2}'`
+ [ "$runlevel" = 2 -o "$runlevel" = 5 ] && break
+ sleep $UVTOOL_WAIT_INTERVAL
+done
# Wait for cloud-init's signal
while [ ! -e /var/lib/cloud/instance/boot-finished ]; do sleep
$UVTOOL_WAIT_INTERVAL; done
This could be SRU'd to Trusty perhaps (I'm not sure how it really fits
in with policy, since it's not a regression; rather an attempt to work
well with the future from the perspective of Trusty). Someone will need
to drive any such SRU. If a volunteer is found, I'll leave it to other
SRU team members make the SRU policy decision.
** Summary changed:
- uvt-kvm wait command will never return on Trusty with KVM created with uvtool
+ uvt-kvm wait command will never return on Trusty with a future guest using
systemd such as Xenial
** Also affects: uvtool (Ubuntu Trusty)
Importance: Undecided
Status: New
** Changed in: uvtool (Ubuntu)
Status: New => Fix Released
** Changed in: uvtool (Ubuntu Trusty)
Status: New => Triaged
** Changed in: uvtool (Ubuntu Trusty)
Importance: Undecided => Low
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https://bugs.launchpad.net/bugs/1732883
Title:
uvt-kvm wait command will never return on Trusty with a future guest
using systemd such as Xenial
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