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Bug 1053884 - Guest fails to migrate while paused [NEEDINFO]
Guest fails to migrate while paused
Status: CLOSED ERRATA
Product: Red Hat Enterprise Virtualization Manager
Classification: Red Hat
Component: ovirt-engine-webadmin-portal (Show other bugs)
3.3.0
Unspecified Unspecified
medium Severity low
: ---
: 3.5.0
Assigned To: Arik
Artyom
virt
: Reopened, ZStream
Depends On:
Blocks: 1099506 rhev3.5beta 1156165
  Show dependency tree / graph
 
Reported: 2014-01-15 17:14 EST by wdaniel
Modified: 2015-09-07 01:43 EDT (History)
15 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Previously, a user-paused virtual machine was unable to be migrated. Now, this issue has been fixed and user-paused virtual machines can migrate.
Story Points: ---
Clone Of:
: 1099506 (view as bug list)
Environment:
Last Closed: 2015-02-11 12:57:26 EST
Type: Bug
Regression: ---
Mount Type: ---
Documentation: ---
CRM:
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---
ylavi: needinfo? (dsulliva)

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External Trackers
Tracker ID Priority Status Summary Last Updated
oVirt gerrit 24639 None None None Never
oVirt gerrit 24640 None None None Never
oVirt gerrit 25441 None None None Never
oVirt gerrit 27176 ovirt-engine-3.4 MERGED core: block migration for paused vm only in case of an error Never
oVirt gerrit 27812 master MERGED core: block migration for paused VM due to EIO only Never
Red Hat Product Errata RHSA-2015:0158 normal SHIPPED_LIVE Important: Red Hat Enterprise Virtualization Manager 3.5.0 2015-02-11 17:38:50 EST

  None (edit)
Comment 1 Michal Skrivanek 2014-01-16 03:32:10 EST 
importnat to note is the VM is paused due to EIO, which should indeed be blocked.
However that NPE is not nice…
Also the current code check for paused state (introduced in 9e7a6163034152ecf9a846c151c7dc95cfcb0e62 by rgolan) is not correct as the user-paused VMs should be able to migrate, only when the reason is EIO we should block
Comment 3 Artyom 2014-03-18 13:04:48 EDT 
Verified on is35, checked that nullPointerException not appear under engine.log
Comment 12 Artyom 2014-05-12 12:33:20 EDT 
Checked on av9
Scenarion: Run Once vm with "Start in pause mode" enabled, wait until vm state is paused, and migrate it, first migration works fine, but if you migrate it second time it failed, because that:
<status>
<state>paused</state>
<detail>none</detail>
</status>
detail none, so from you patch it will no migrate again, so you or need to save reason why vm paused or change if statement and add possibility to migrate paused vm when <detail>none</detail>
Comment 13 Michal Skrivanek 2014-05-15 04:20:22 EDT 
well the code change is still not entirely correct. The only reason when we should not migrate is EIO, all other reasons including other errors, like ENOSPACE are ok

Though we shouldn't "lose" the reason after migration anyway
Comment 17 Artyom 2014-07-14 02:11:16 EDT 
Verified on rhevm-3.5.0-0.4.master.el6_5.noarch
Migrate paused vm three times from host to host
Comment 18 Yaniv Lavi 2015-01-19 12:26:43 EST 
Description of original problem:

Customer has stated that when he tries to migrate a VM that is paused, it fails and he notices a NullPointerException in the logs
Comment 21 errata-xmlrpc 2015-02-11 12:57:26 EST 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHSA-2015-0158.html
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