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Message #26931
[Bug 1252121] Re: missing PrepareForSleep signal after resuming, causing networking to stay disabled
Why is this bug still unassigned more than a year later? Isn't the use
of suspend + network-manager sufficiently common? It seems to me that
this is a critical bug and I am quite shocked that no developer has
deigned so much as to look at it in more than a year. I can do "sudo
restart network-manager" every time I come back from suspend. But how
many of among the non-technical masses that Ubuntu targets would know
how to start the terminal application? This is quite ridiculous.
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https://bugs.launchpad.net/bugs/1252121
Title:
missing PrepareForSleep signal after resuming, causing networking to
stay disabled
Status in NetworkManager:
New
Status in wicd:
New
Status in systemd-shim package in Ubuntu:
Confirmed
Status in systemd-shim source package in Saucy:
Won't Fix
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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