Public bug reported:
== Comment: #0 - INDIRA P. JOGA - 2018-05-24 09:32:53 ==
Problem Description:
===================
libvirt fails to check for duplicate address in hotplug xml & error out before
even trying to hotplug anything.
Steps to re-create:
1. boslcp4 is up with BMC:1.20 & PNOR: 20180420 levels
2. Guest is up with kernel
root@boslcp3g5:~# uname -a
Linux boslcp3g5 4.4.0-122-generic #146-Ubuntu SMP Mon Apr 23 15:33:25 UTC 2018
ppc64le ppc64le ppc64le GNU/Linux
root@boslcp3g5:~# uname -r
4.4.0-122-generic
3. boslcp3g5 guest is running with LTP run (45 hours) & stress-ng aio
class ( 15 minutes).
4. Hotplug xml
root@boslcp3:/home# cat hp-disk.xml
<disk type='file' device='disk'>
<driver name='qemu' type='qcow2'/>
<source file='/home/boslcp3g5_hpblk1'/>
<target dev='sdd' bus='scsi'/>
<address type='drive' controller='0' bus='0' target='0' unit='2'/>
</disk>
5.Tried hotplug with duplicate address
root@boslcp3:/home# virsh attach-device boslcp3g5 hp-disk.xml --live
error: Failed to attach device from hp-disk.xml
error: internal error: unable to execute QEMU command 'device_add': Duplicate
ID 'scsi0-0-0-2' for device
root@boslcp3:/home#
root@boslcp3:/home# virsh list --all
Id Name State
----------------------------------------------------
3 boslcp3g2 running
4 boslcp3g3 running
7 boslcp3g4 running
- boslcp3g1 shut off
- boslcp3g5 shut off
6. Libvirt fails to check the duplicate address in hotplug xml & error
before even trying to hotplug anything
== Comment: #5 - Daniel Henrique Barboza - 2019-03-26 15:43:55 ==
The fix for this bug was pushed upstream:
commit f1d6585300001c7b23b8796a0faa4411c3531996
Author: Daniel Henrique Barboza <[email protected]>
Date: Fri Mar 15 18:06:45 2019 -0300
domain_conf: check device address before attach
After this patch, Libvirt is checking for duplicated address before trying to
do hotplug operations.
** Affects: libvirt (Ubuntu)
Importance: Undecided
Assignee: Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage)
Status: New
** Tags: architecture-ppc64le bugnameltc-168186 severity-high
targetmilestone-inin---
** Tags added: architecture-ppc64le bugnameltc-168186 severity-high
targetmilestone-inin---
** Changed in: ubuntu
Assignee: (unassigned) => Ubuntu on IBM Power Systems Bug Triage
(ubuntu-power-triage)
** Package changed: ubuntu => libvirt (Ubuntu)
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https://bugs.launchpad.net/bugs/1840872
Title:
ISST-LTE:KVM:Ubuntu1804:BostonLC:boslcp3g5: libvirt fails to check for
duplicate address in hotplug xml and causes the guest to go to shutoff
state
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