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Message #07819
[Bug 1252121] Re: missing PrepareForSleep signal after resuming, causing networking to stay disabled
This is how debug output looks:
SYSTEMD_LOG_TARGET=console SYSTEMD_LOG_LEVEL=debug annotate-output /lib/systemd/systemd-logind
[...]
18:25:19 E: Fixing up /dev/kvm for seat seat0...
18:25:19 E: Fixing up /dev/rfkill for seat seat0...
18:25:19 E: Fixing up /dev/snd/seq for seat seat0...
18:25:19 E: Fixing up /dev/snd/timer for seat seat0...
18:25:19 E: Inhibitor Telepathy (Disconnecting IM accounts before suspend/shutdown...) pid=16978 uid=1000 mode=delay started.
18:25:19 E: Inhibitor lool (GNOME handling keypresses) pid=4766 uid=1000 mode=block started.
18:25:19 E: systemd-logind running as pid 13421
18:25:27 E: Failed to open configuration file /etc/systemd/sleep.conf: No such file or directory
18:25:32 E: Delay lock is active but inhibitor timeout is reached.
18:25:57 E: Failed to send delayed message: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
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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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