[Bug 1432644] Re: VM permanently tries to read /dev/shm/lttng-ust-wait-5

[Antonio Messina]

I'm affected too by the "log flooding" issue, although I can start VMs.

[4220163.899438] type=1400 audit(1447230173.207:7763726):
apparmor="DENIED" operation="open" profile="libvirt-a9c8bb9b-f2cc-4e4f-
b7b1-c6152d8029c4" name="/run/shm/lttng-ust-wait-5" pid=69948 comm
="qemu-system-x86" requested_mask="r" denied_mask="r" fsuid=111 ouid=0


I'm running Ubuntu 14.04.3 with cloud and ceph repositories.

ceph 0.94.3-1trusty
libvirt0 1.2.12-0ubuntu14.1~cloud0

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https://bugs.launchpad.net/bugs/1432644

Title:
  VM permanently tries to read /dev/shm/lttng-ust-wait-5

Status in ceph package in Ubuntu:
  Fix Released
Status in libvirt package in Ubuntu:
  Fix Released

Bug description:
  VM permanently tries to read /dev/shm/lttng-ust-wait-5

  When used with enforced apparmor profile, this results in logs filled with denied messages.
  As I understand it, liblttng is here to allow tracing / debugging in python (not sure). Maybe virt-manager shouldn't be shipped with debugging mode enabled by default, or maybe it is a perfectly legitimate feature and the apparmor profile should be updated.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: virt-manager 1:1.0.1-4ubuntu3
  ProcVersionSignature: Ubuntu 3.19.0-9.9-generic 3.19.1
  Uname: Linux 3.19.0-9-generic x86_64
  ApportVersion: 2.16.2-0ubuntu3
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Mon Mar 16 14:25:39 2015
  InstallationDate: Installed on 2014-12-13 (92 days ago)
  InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  PackageArchitecture: all
  SourcePackage: virt-manager
  UpgradeStatus: No upgrade log present (probably fresh install)

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