touch-packages team mailing list archive

[Seth Arnold <1370218@xxxxxxxxxxxxxxxxxx>]

Do you get an AppArmor DENIED line for the shm_open() failure? It might
still be worth addressing this:

- needless error logs are annoying and mask tracking down real problems and they waste flash write cycles
- whatever is used as fallback may or may not be as efficient as shared memory, which might mean increased CPU use, increased heat, decreased battery life, etc.

It might be small but every little piece adds up to a total experience.

Thanks

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in Ubuntu.
https://bugs.launchpad.net/bugs/1370218

Title:
  QAudioRecorder does not work properly under 'microphone' security
  policy

Status in “apparmor-easyprof-ubuntu” package in Ubuntu:
  New

Bug description:
  I recently wrote a small application[1] to spot an ancient issue I had
  using QAudioRecorder on Ubuntu devices.

  After I have installer gstreamer0.10-pulseaudio (otherwise "pulseaudio:" is not listed as available source), I tried to start a record through QAudioRecorder but it failed, giving me this output:
  "shm_open() failed: Permission denied"

  I've checked for some denials from apparmor (using 'dmesg | grep
  DEN'), but none was found.

  If I change the apparmor profile[2], so that my test application is
  launched in a unconfined environment, QAudioRecorder works properly as
  expected.

  I run this test on my Nexus 5 (utopic-devel-proposed #185), but this
  problem with shm happens also on i386 ubuntu-emulator (utopic-devel
  #206).

  Just for reference, this is the link to the original mail, stored in the ubuntu-phone team mailing list archive:
  http://lists.launchpad.net/ubuntu-phone/msg09842.html

  [1] - http://bazaar.launchpad.net/~verzegnassi-stefano/+junk/recorder-test/files
  [2]
  {
      "policy_version": 1.2,
      "template": "unconfined",
      "policy_groups": []
  }

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