touch-packages team mailing list archive

[Brian Murray <brian@xxxxxxxxxx>]

I've uploaded this to the vivid proposed queue for review by the SRU
team now.

** Also affects: apport (Ubuntu Vivid)
   Importance: Undecided
       Status: New

** Changed in: apport (Ubuntu)
       Status: In Progress => Fix Released

** Changed in: apport (Ubuntu Vivid)
     Assignee: (unassigned) => Brian Murray (brian-murray)

** Changed in: apport (Ubuntu Vivid)
       Status: New => In Progress

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https://bugs.launchpad.net/bugs/1473562

Title:
  Too many crash files kill the device

Status in Canonical System Image:
  Confirmed
Status in apport package in Ubuntu:
  Fix Released
Status in apport source package in Vivid:
  In Progress

Bug description:
  Tested on krillin.

  TEST CASE:
  1. adb shell to the phone and create a crash file
  $ sh -c 'kill -SEGV $$'
  2. Now create dozens
  $ for n in $(seq 50); do ln /var/crash/_bin_dash.32011.crash /var/crash/_bin_dash_${n}.32011.crash; done
  3. Remove any "upload" and "uploaded" files that have been created and reboot
  $ sudo rm /var/crash/*upload* && sudo reboot

  ACTUAL RESULT
  Lot of whoopsie-upload-all and apport processes are created on boot, consume all the resources of the system and make the phone unbootable or partially functional. OOM killer kills random system tasks such as upstart. Depending on the processes killed, the phone hangs on boot, reboots, dash doesn't come up...

  The number of crashes in this test is a bit excessive but we can
  imagine a scenario where a dozen of crash files are not uploaded
  because the phone is on cellular data, and uploads everything when it
  connects to wifi, disabling the user session.

  A way to recover is to go into recovery and clean /var/crash.

  EXPECTED RESULT
  crash uploads are serialized and can be uploaded only one at a time
  If system resources are already low, the crash file is not uploaded.

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