dx-packages team mailing list archive

[Loïc Minier <lool@xxxxxxxx>]

So I patched pm-suspend to exit 0, and that would not trigger the bug
anymore.

I added a sleep as you suggested and NM would disconnect and then
reconnect up to sleep value of 25 but not with sleep values of at least
26.  I think we're looking at a 30 seconds timeout since my system takes
some seconds to settle from the suspend code pathes (keyboard and
display backlights take a couple of seconds to get turned off).

The failing case also differs from the working case in that the screen
doesn't turn back on; I guess this is because the signal which we're
missing for Network Manager also misses for gnome-screensaver.

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https://bugs.launchpad.net/bugs/1252121

Title:
  missing PrepareForSleep signal after resuming, causing networking to
  stay disabled

Status in “systemd-shim” package in Ubuntu:
  Confirmed
Status in “systemd-shim” source package in Saucy:
  Confirmed
Status in “systemd-shim” source package in Trusty:
  Confirmed

Bug description:
  As per request from bug #1184262, this is a new report, along with
  dbus (to be attached)

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: systemd-services 204-0ubuntu19
  Uname: Linux 3.12.0-custom x86_64
  ApportVersion: 2.12.5-0ubuntu2.1
  Architecture: amd64
  Date: Sun Nov 17 20:24:41 2013
  MarkForUpload: True
  SourcePackage: systemd
  UpgradeStatus: Upgraded to saucy on 2013-10-17 (31 days ago)

  SRU INFORMATION:
  FIX: https://github.com/desrt/systemd-shim/commit/9e1ebe3ab (in trusty already)

  Regression potential: Low. Flushing the session bus was introduced in
  version 4 and is obviously bogus as in a system D-BUS service there is
  no session bus. This causes lots of confusing error messages and
  unnecessary overhead like trying to start dbus-launch. Flushing the
  system bus is low-risk, in most cases it's a no-op and it would
  otherwise prevent losing signals after waking up. No known
  regressions.

  TEST CASE: Run several suspend/resume cycles with the lid, session
  indicator menu, and verify that the network comes back up. It is known
  that this fix is necessary but not sufficient, so it is not expected
  to fix all cases. But it should not make things worse, so if network
  now does not come up any more on a machine where it previously worked
  this would count as failure/regression.

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