The old bug was about errors reported in the apps logs. This is related to 
logging into syslog.
I also see this on a core system. I only see reports related to the browser or 
webapps.
Could something have changed or be missing in the apparmor profile? or some 
configuration in the browser enabling this?

** Changed in: webbrowser-app (Ubuntu)
   Importance: Undecided => High

** Changed in: webbrowser-app (Ubuntu)
     Assignee: (unassigned) => Olivier Tilloy (osomon)

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https://bugs.launchpad.net/bugs/1606946

Title:
  AppArmor denied opening /dev/shm/lttng-ust-wait*

Status in webbrowser-app package in Ubuntu:
  Confirmed

Bug description:
  When running under the Unity8 desktop session, the kernel log is
  spammed with apparmor messages coming from the webbrowser app profile,
  the same four lines every 5 seconds:

  $ dmesg -w
  [...]
  [85560.662068] audit: type=1400 audit(1469629097.571:50068): 
apparmor="DENIED" operation="open" profile="webbrowser-app" 
name="/dev/shm/lttng-ust-wait-6-1000" pid=17206 comm="QQmlThread" 
requested_mask="r" denied_mask="r" fsuid=1000 ouid=1000
  [85560.662124] audit: type=1400 audit(1469629097.571:50069): 
apparmor="DENIED" operation="open" profile="webbrowser-app" 
name="/dev/shm/lttng-ust-wait-6" pid=17205 comm="QQmlThread" requested_mask="r" 
denied_mask="r" fsuid=1000 ouid=119
  [85560.662173] audit: type=1400 audit(1469629097.571:50070): 
apparmor="DENIED" operation="open" profile="webbrowser-app" 
name="/dev/shm/lttng-ust-wait-6-1000" pid=17206 comm="QQmlThread" 
requested_mask="r" denied_mask="r" fsuid=1000 ouid=1000
  [85560.662221] audit: type=1400 audit(1469629097.571:50071): 
apparmor="DENIED" operation="open" profile="webbrowser-app" 
name="/dev/shm/lttng-ust-wait-6" pid=17205 comm="QQmlThread" requested_mask="r" 
denied_mask="r" fsuid=1000 ouid=119

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