[Bug 1923472] Re: xdm fails to start on Sundays

[Balint Reczey]

** Package changed: systemd (Ubuntu) => xdm (Ubuntu)

** Bug watch added: Debian Bug tracker #948346
   https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=948346

** Also affects: xdm (Debian) via
   https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=948346
   Importance: Unknown
       Status: Unknown

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Title:
  xdm fails to start on Sundays

Status in xdm package in Ubuntu:
  New
Status in xdm package in Debian:
  Unknown

Bug description:
  On the first login of the week, xdm (1.1.11-3ubuntu2) fails to start
  on Ubuntu 20.04.

  More correctly, it does start, but exits almost immediately on signal
  12. It leaves /var/run/xdm.pid behind, and also a running X server
  with no clients. This makes it hard to restart, for one needs to kill
  the X server and remove the pid file first.

  The cause is logrotate running during startup and killing xdm before
  xdm installs a handler for SIGUSR2. The issue is more fully described
  upstream at https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=948346

  In passing I would comment that running logrotate so early during
  startup seems strange to me. Startup would surely be faster if these
  sort of "cron" jobs were left until it had finished?

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