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posted by janrinok on Sunday December 21 2014, @04:54PM   Printer-friendly
from the show-stopper-or-rare-event? dept.

Noted Linux expert Chris Siebenmann has described two catastrophic failures involving systemd.

One of the problems he encountered with systemd became apparent during a disastrous upgrade of a system from Fedora 20 to Fedora 21. It involved PID 1 segfaulting during the upgrade process. He isn't the only victim to suffer from this type of bad experience, either. The bug report for this problem is still showing a status of NEW, nearly a month after it was opened.

The second problem with systemd that he describes involves the journalctl utility. It displays log messages with long lines in a way that requires sideways scrolling, as well as displaying all messages since the beginning of time, in forward chronological order. Both of these behaviors contribute to making the tool much less usable, especially in critical situations where time and efficiency are of the essence.

Problems like these raise some serious questions about systemd, and its suitability for use by major Linux distros like Fedora and Debian. How can systemd be used if it can segfault in such a way, or if the tools that are provided to assist with the recovery exhibit such counter-intuitive, if not outright useless, behavior?

Editor's Comment: I am not a supporter of systemd, but if there are only 2 such reported occurrences of this fault, as noted in one of the links, then perhaps it is not a widespread fault but actually a very rare one. This would certainly explain - although not justify - why there has been so little apparent interest being shown by the maintainers. Nevertheless, the fault should still be fixed.

 
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  • (Score: 1) by Arik on Monday December 22 2014, @11:49AM

    by Arik (4543) on Monday December 22 2014, @11:49AM (#128290) Journal
    The problem is that option fails when boot fails - the one time when you most need it.

    Logs should be in text and converted to binary later if someone really needs binary, not the other way around, because this allows you to read the logs after a failed boot, and binary does not. You can convert from one to another to your hearts content, after you fix the problem and get the machine back on its feet.
    --
    If laughter is the best medicine, who are the best doctors?