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[Olivier Tilloy <olivier.tilloy@xxxxxxxxxxxxx>]

In a utopic chroot, /dev/shm is a symlink to /run/shm:

lrwxrwxrwx 1 root root 8 Apr 29  2014 /dev/shm -> /run/shm
drwxrwxrwt 2 root root   40 Dec  5 11:51 /run/shm


Whereas in vivid it is a directory, with no write permissions for group and other:

drwxr-xr-x 2 root root     4096 Nov  7 10:21 /dev/shm

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Touch seeded packages, which is subscribed to webbrowser-app in Ubuntu.
https://bugs.launchpad.net/bugs/1396951

Title:
  webbrowser-app’s autopilot tests fail on otto: access to /dev/shm is
  denied

Status in Automated UI testing on Hardware:
  New
Status in webbrowser-app package in Ubuntu:
  New

Bug description:
  The CI job that runs autopilot tests for webbrowser-app on otto (desktop) has been consistently failing since the switch to vivid.
  The error seen in the log is the following:

  /var/local/autopilot/autopilot.log: [1127/102329:ERROR:shared_memory_posix.cc(231)] Creating shared memory in /dev/shm/.org.chromium.Chromium.UAVbQt failed: Permission denied
  /var/local/autopilot/autopilot.log: [1127/102329:ERROR:shared_memory_posix.cc(234)] Unable to access(W_OK|X_OK) /dev/shm: Permission denied
  /var/local/autopilot/autopilot.log: [1127/102329:FATAL:shared_memory_posix.cc(236)] This is frequently caused by incorrect permissions on /dev/shm.  Try 'sudo chmod 1777 /dev/shm' to fix.

  At a first glance it looks to me like the problem is in the otto setup
  itself.

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