[Bug 1602256] Re: sometimes "systemd-coredump[<PID>]: Coredump file descriptor missing." is seen, upstream #2984

[LeK]

Unfortunately the fix did not help.

Output in the journal now has an extra line about creating a slice.

:~$ sudo journalctl --file /run/log/journal/<xxx>/system.journal

Jul 13 02:29:08 COBPTTDev kernel: asterisk[1570]: segfault at 3000000028 ip 00007f4961158d16 sp 00007f48d84e8a38 error 4 in libc-2.23.so[7f49610ce000+1c0000]
Jul 13 02:29:08 COBPTTDev systemd[1]: Created slice system-systemd\x2dcoredump.slice.
Jul 13 02:29:08 COBPTTDev systemd[1]: Started Process Core Dump (PID 1607/UID 0).
Jul 13 02:29:08 COBPTTDev systemd-coredump[1608]: Coredump file descriptor missing.

Likewise the coredump list is empty
:~$ sudo coredumpctl list /usr/sbin/asterisk
No coredumps found.

(asterisk is the Ubuntu package in Xenial)

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Title:
  sometimes "systemd-coredump[<PID>]: Coredump file descriptor missing."
  is seen, upstream #2984

Status in systemd package in Ubuntu:
  Fix Released
Status in systemd source package in Xenial:
  Fix Committed

Bug description:
  Please include this upstream fix/pull request:

  coredump: use next_datagram_size_fd instead of ioctl(FIONREAD) #3237
  https://github.com/systemd/systemd/pull/3237

  Reported as
  sometimes "systemd-coredump[<PID>]: Coredump file descriptor missing." is seen, upstream #2984
  https://github.com/systemd/systemd/issues/2984

  Or make a release using systemd tag=v230

   :~$ lsb_release -rd
  Description:    Ubuntu 16.04 LTS
  Release:        16.04

  :~$ apt-cache policy systemd
  systemd:
    Installed: 229-4ubuntu6
    Candidate: 229-4ubuntu6
    Version table:
   *** 229-4ubuntu6 500
          500 http://us.archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages
          100 /var/lib/dpkg/status
       229-4ubuntu4 500
          500 http://us.archive.ubuntu.com/ubuntu xenial/main amd64 Packages

  SRU INFORMATION
  ---------------
  This only affects systemd-coredump which we don't use in Ubuntu by default (we use Apport), so the regression potential is very low. There is no straightforward reproducer for this (see upstream bug report: https://github.com/systemd/systemd/issues/2984). But our systemd package has integration tests for coredump: http://anonscm.debian.org/cgit/pkg-systemd/systemd.git/tree/debian/tests/boot-and-services?h=ubuntu-xenial#n436 

  Thus if the updated package still succeeds its autopkgtests, this
  should provide sufficient regression testing for this bug.

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