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** Attachment added: "sosreport"
https://bugs.launchpad.net/bugs/1625319/+attachment/4743862/+files/sosreport-c158f2u09os-20160913030953.tar.xz
** Changed in: ubuntu
Assignee: (unassigned) => Taco Screen team (taco-screen-team)
** Package changed: ubuntu => apparmor (Ubuntu)
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https://bugs.launchpad.net/bugs/1625319
Title:
[LTCTest] SR-IOV VF hotplug failing: cannot limit locked memory of
process
Status in apparmor package in Ubuntu:
New
Bug description:
---Problem Description---
Unable to hotplug SRIOV CX4 VF to Ubuntu 16.10 or 16.04.1 guests.
---uname output---
Linux c158f2u09os 4.7.0unofficial #5 SMP Mon Sep 5 08:53:38 EDT 2016 ppc64le
ppc64le ppc64le GNU/Linux
---Additional Hardware Info---
Mellanox CX4
Machine Type = 8247-22L
---Steps to Reproduce---
Unable to hotplug SRIOV CX4 VF to Ubuntu 16.10 guest.
1. Boot the guests with/without VFs
2. Try hotplugging of VF to guests, you will notice error as shown below:
root@c158f2u09os:/var/lib/libvirt/images/srikanth# cat hot_vf.xml
<hostdev mode='subsystem' type='pci' managed='yes'>
<source>
<address domain='0x0005' bus='0x01' slot='0x00' function='0x4'/>
</source>
</hostdev>
root@c158f2u09os:/var/lib/libvirt/images/srikanth# virsh attach-device
ubuntu1610_srik ./hot_vf.xml --live
error: Failed to attach device from ./hot_vf.xml
error: cannot limit locked memory of process 80265 to 9663676416: Permission
denied
root@c158f2u09os:/var/lib/libvirt/images/srikanth# virsh attach-device
ubuntu160401_srik ./hot_vf.xml --live
error: Failed to attach device from ./hot_vf.xml
error: cannot limit locked memory of process 80960 to 9663676416: Permission
denied
=====================
Environment details:
=====================
Host :
9.47.68.198, root/sriov4321
Ubuntu 16.10
kernel version:
Linux c158f2u09os 4.7.0unofficial #5 SMP Mon Sep 5 08:53:38 EDT 2016
ppc64le ppc64le ppc64le GNU/Linux
Guest:
1. ubuntu1610_srik
kernel version: 4.7.0unofficial
creds: root/123456
2. ubuntu160401_srik
kernel version: 4.4.0-38-generic
creds: root/123456
MOFED versions:
MOFED version in Host as well Guest: 3.4-OFED.3.4.0.1.0.1
CX4 Firmware version: 12.17.0222
Development took a look at this an believes this is an apparmor
related issue and requested the defect be mirrored to Canonical for
their assistance.
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https://bugs.launchpad.net/ubuntu/+source/apparmor/+bug/1625319/+subscriptions
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