[pkg-wpa-devel] Bug#756241: systemd-sysv conflicts with wpasupplicant and ifup ifdown

[Stefan Lippers-Hollmann]

Control: -1 tags moreinfo

Hi

As Michael Biebl suggested, a direct involvement of systemd is pretty 
unlikely (but nothing can ever be called impossible). Likewise there 
are no specific dependencies or conflicts/ breaks that would force a 
specific init from wpasupplicant's point of view, it does support- and 
integrate with all three contenders (well, there is only a very shallow
direct integration, at most initiation the DBus interface in case of 
systemd, the actual configuration or startup sequence of wpasupplicant
is not handled by any init system directly, but by the networking 
dæmons supervising wpasupplicant).

In order to debug this further, it would help tremenduously to get an
idea about your system state (before the upgrade and now), just as well
as your network configuration. The most important data for now would 
be:
- versions of ifupdown before and after the upgrade
- versions of wpasupplicant before and after the upgrade
- when was your last full (dist-)upgrade, did you try to do partial
  upgrades to avoid systemd from getting installed (anything relevant
  held back)?
- your /etc/network/interfaces and wpasupplicant configuration,
  make sure to obfuscate personal information and passwords(!), but
  retain its structure and syntax.
- what exactly is failing, did it work before
- any hints in dmesg or when running wpa_cli
- systemd (not systemd-sysv) is co-installable to sysvinit-core, 
  accordingly you can switch between systemd as pid1 and sysvinit
  as pid1 with a simple kernel parameter (init=/lib/systemd/systemd),
  this can help to determine if sysvinit or systemd really makes a 
  difference in your situation without changing any of the installed
  packages or modifying any of your configuration files

Regards
	Stefan Lippers-Hollmann
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