touch-packages team mailing list archive

[Ted Gould <ted@xxxxxxxx>]

*** This bug is a duplicate of bug 1377332 ***
    https://bugs.launchpad.net/bugs/1377332

On Tue, 2014-11-25 at 07:53 +0000, Jean-Baptiste Lallement wrote:

> In syslog webapp-container is killed at 
> Nov 25 08:24:23 ubuntu-phablet kernel: [16138.987397]Killing 'webapp-containe' (23587), adj 900,


That probably explains the multiple requests in the log. The utility
that runs when a process is killed is cgroup-reap-all, which ensures
that all the PIDs from the cgroup are killed. It does this by killing
them, but also ensuring that the list becomes empty. It can do multiple
requests to ensure that the application isn't avoiding being killed by
trying to "out spawn" the cleanup utility.

http://bazaar.launchpad.net/~indicator-applet-developers/ubuntu-app-
launch/trunk.rtm-14.09/view/head:/cgroup-reap-all.c

It could be triggering a race in cgproxy where a PID is leaving the
group, or the group is being destroyed at the same time as the reaper is
asking for the PIDs in it.

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Touch seeded packages, which is subscribed to apport in Ubuntu.
https://bugs.launchpad.net/bugs/1394919

Title:
  cgproxy hangs

Status in “apport” package in Ubuntu:
  Invalid
Status in “cgmanager” package in Ubuntu:
  Confirmed
Status in “ubuntu-app-launch” package in Ubuntu:
  Fix Released
Status in “apport” package in Ubuntu RTM:
  Invalid
Status in “cgmanager” package in Ubuntu RTM:
  Confirmed

Bug description:
  Errors Bucket
  -------------
  https://errors.ubuntu.com/problem/9a1df90760a88c9b4e5e7e3b4ef450f6b5669c7c

  since a few days my phone started producing a
  /var/crash/_usr_share_apport_recoverable_problem.32011.crash

  i see the timestamp updated multiple times and the matching PID from
  the traceback seems to be cgmanager

  https://errors.ubuntu.com/oops/c25e8678-70f2-11e4-976f-fa163e4aaad4
  https://errors.ubuntu.com/oops/94398858-70a0-11e4-906f-fa163e339c81
  https://errors.ubuntu.com/oops/235b2dd0-7118-11e4-837c-fa163e5bb1a2

  are the respective whoopsie uploads.

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