*** This bug is a duplicate of bug 1439771 ***
https://bugs.launchpad.net/bugs/1439771
** This bug has been marked a duplicate of bug 1439771
wpa_supplicant[874]: dbus: Failed to construct signal after 'suspend'
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https://bugs.launchpad.net/bugs/1635839
Title:
Random lack of wifi connectivity after hibernate
Status in pm-utils package in Ubuntu:
New
Bug description:
On Latitude E6320, there are some weird wifi connectivity issues that
appear some times on resume. The problem goes away after a reboot or
unloading and loading the kernel driver module. I haven't found any
common factor that would unify those incidents. I am currently running
the brcmsmac open source driver, but have encountered the issue with
the Broadcom STA driver as well.
The issue may or may not be linked to the "eduroam" WPA Enterprise
network that is used in many academic institutions.
The lspci command outputs a following line about the adapter:
02:00.0 Network controller: Broadcom Corporation BCM4313 802.11bgn
Wireless Network Adapter (rev 01)
I am running the lastest BIOS version, the A19.
(Possible) user workaround: Put line:
SUSPEND_MODULES="brcmsmac"
to the file "/etc/pm/config.d/unload_module". Replace "brcmsmac" with the
proprietary driver's module name (bcmwl?) if you are using it.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: pm-utils 1.4.1-16
ProcVersionSignature: Ubuntu 4.4.0-43.63-generic 4.4.21
Uname: Linux 4.4.0-43-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
Date: Sat Oct 22 16:47:43 2016
InstallationDate: Installed on 2016-09-12 (39 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64
(20160719)
PackageArchitecture: all
ProcEnviron:
LANGUAGE=fi
TERM=xterm
PATH=(custom, no user)
LANG=fi_FI.UTF-8
SHELL=/bin/bash
SourcePackage: pm-utils
UpgradeStatus: No upgrade log present (probably fresh install)
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