[systemd-bugs] [Bug 90488] New: coredump of systemd-journald.service unretrievable

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90488

            Bug ID: 90488
           Summary: coredump of systemd-journald.service unretrievable
           Product: systemd
           Version: unspecified
          Hardware: All
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: general
          Assignee: systemd-bugs at lists.freedesktop.org
          Reporter: jonny at pluckeye.net
        QA Contact: systemd-bugs at lists.freedesktop.org

For unknown reasons, the systemd-journal daemon crashed on my system.  However,
I can't load the core file to see why.


$ dmesg | grep journal | grep core
[ 5040.792996] systemd-coredump[1353]: Detected coredump of the journal daemon
itself, diverted to
/var/lib/systemd/coredump/core.systemd-journal.0.917640dd85b441db9ad24fbe52f325c3.160.1431802085000000.lz4.

$ coredumpctl list | grep journal

$ cd /var/lib/systemd/coredump

$ ls -l
core.systemd-journal.0.917640dd85b441db9ad24fbe52f325c3.1356.1431804973000000.lz4
-rw-r----- 1 root root 88396 May 16 12:36
core.systemd-journal.0.917640dd85b441db9ad24fbe52f325c3.1356.1431804973000000.lz4

Additionally, because of bug 83266, the core file can't be manually loaded
using lz4 command line tools.

$ lz4 -d
core.systemd-journal.0.917640dd85b441db9ad24fbe52f325c3.1356.1431804973000000.lz4
Decoding file
core.systemd-journal.0.917640dd85b441db9ad24fbe52f325c3.1356.1431804973000000 
Error 44 : Unrecognized header : file cannot be decoded

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