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DescriptionGiuseppe Scrivano
2015-05-07 20:10:00 UTC
+++ This bug was initially created as a clone of Bug #1219443 +++
Description of problem:
virt-manager 1.2.0 fails to list VMs when host's libvirt does not support the virConnectListAllDomains() call.
Version-Release number of selected component (if applicable):
1.2.0
How reproducible:
Always
Steps to Reproduce:
1. Use virt-manager 1.2.0 to connect to a host using libvirt version <0.9.13 (e.g. RHEL 5.x).
Actual results:
An error message stating "Error polling connection '<libvirt-URI>': 0" is displayed.
Expected results:
VMs on the selected host should be listed.
Additional info:
I believe this is caused by the changes to virtinst/pollhelpers.py introduced in commit 838baf6 - _new_poll_helper() and _old_poll_helper() are modified, but not _old_fetch_vms(), which is used for hosts with old libvirt versions. Applying the attached patch fixed the problem for me.
--- Additional comment from Cole Robinson on 2015-05-07 11:11:58 EDT ---
Thank you for cleaning up my mistake. I've pushed your patch now:
commit c4d26d16a65e0ce6b88323e13669c7c388397d7f
Author: Michał Kępień <michal.kepien>
Date: Thu May 7 11:10:20 2015 -0400
pollhelpers: Fix VM polling on old libvirt
https://bugzilla.redhat.com/show_bug.cgi?id=1219443
Comment 2Giuseppe Scrivano
2015-05-11 07:22:59 UTC
*** Bug 1220260 has been marked as a duplicate of this bug. ***
I can reproduce this bug with package:
virt-manager-1.2.0-2.el7.noarch
Steps are the same as description above.
Then try to verify with new build:
virt-manager-1.2.0-4.el7.noarch
Steps:
1. Start virt-manager
# virt-manager
2. Click 'File' -> 'Add Connection'
3. On the pop-up window, Choose Xen for Hypervisor -> Click "connect to remote host"--> choose 'SSH' -> Input the hostname (eg:10.66.106.64) ->Click 'Connect'
4. Input the password correctly and establish connection.
Results:
After Step 4, can connect to xen host successfully.
VMs on the selected host are listed.
According to the result above in the latest version of virt-manager, move this bug from ON_QA to VERIFIED.
Verify that this bug is now also in Fedora 22, when connecting to a KVM host running Debian Wheezy (old stable for one month only).
Error polling connection 'qemu+ssh://root@domain/system': 0
Traceback (most recent call last):
File "/usr/share/virt-manager/virtManager/engine.py", line 343, in _handle_tick_queue
conn.tick_from_engine(**kwargs)
File "/usr/share/virt-manager/virtManager/connection.py", line 1266, in tick_from_engine
raise e # pylint: disable=raising-bad-type
KeyError: 0
When I install the latest virt-manager from F21, virt-manager works as expected.
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/RHBA-2015-2206.html