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

[Martin Pitt]

Pulled into xenial branch: http://anonscm.debian.org/cgit/pkg-
systemd/systemd.git/commit/?h=ubuntu-xenial&id=b26f9cd27099c

** Changed in: systemd (Ubuntu Xenial)
       Status: New => In Progress

** Description changed:

  Please include this upstream fix/pull request:
  
- coredump: use next_datagram_size_fd instead of ioctl(FIONREAD) #3237 
+ 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
+  :~$ 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
+   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.

** Changed in: systemd (Ubuntu Xenial)
     Assignee: (unassigned) => Martin Pitt (pitti)

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https://bugs.launchpad.net/bugs/1602256

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:
  In Progress

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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