Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: network-manager (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1556357
Title:
WiFi fails to resume after suspend; Race with wpasupplicant / wpa_cli
resume?
Status in network-manager package in Ubuntu:
Confirmed
Status in wpasupplicant package in Ubuntu:
Confirmed
Bug description:
Hi,
I'm constantly having issues where my WiFi connection doesn't re-
establish after resuming from suspend. I think it may be a race where
the interface isn't ready yet and systemd-sleep calls /lib/systemd
/system-sleep/wpasupplicant (which is a wrapper to wpa_cli).
I normally restart NetworkManager but then found that calling 'wpa_cli
resume' works also.
Here's the logs:
| Mar 12 13:53:06 ragnar.local kernel: psmouse serio1: synaptics: quirked
min/max coordinates: x [1024..5112], y [2024..4832]
| Mar 12 13:53:06 ragnar.local kernel: PM: resume of devices complete after
562.709 msecs
| Mar 12 13:53:06 ragnar.local kernel: PM: Finishing wakeup.
| Mar 12 13:53:06 ragnar.local systemd[1]: Time has been changed
| Mar 12 13:53:06 ragnar.local systemd[1066]: Time has been changed
| Mar 12 13:53:06 ragnar.local kernel: Restarting tasks ... done.
| Mar 12 13:53:06 ragnar.local systemd-sleep[29174]: System resumed.
| Mar 12 13:53:06 ragnar.local systemd-sleep[29174]: Failed to connect to
non-global ctrl_ifname: (nil) error: No such file or directory
| Mar 12 13:53:06 ragnar.local systemd-sleep[29227]:
/lib/systemd/system-sleep/wpasupplicant failed with error code 255.
| Mar 12 13:53:06 ragnar.local systemd[1]: Started Suspend.
| Mar 12 13:53:06 ragnar.local systemd[1]: sleep.target: Unit not needed
anymore. Stopping.
| Mar 12 13:53:06 ragnar.local systemd[1]: Stopped target Sleep.
| Mar 12 13:53:06 ragnar.local systemd[1]: Reached target Suspend.
| Mar 12 13:53:06 ragnar.local systemd[1]: suspend.target: Unit is bound to
inactive unit systemd-suspend.service. Stopping, too.
| Mar 12 13:53:06 ragnar.local NetworkManager[23292]: <info> wake requested
(sleeping: yes enabled: yes)
| Mar 12 13:53:06 ragnar.local systemd[1]: Stopped target Suspend.
| Mar 12 13:53:06 ragnar.local NetworkManager[23292]: <info> waking up...
| Mar 12 13:53:06 ragnar.local systemd-logind[662]: Operation 'sleep'
finished.
| Mar 12 13:53:06 ragnar.local kernel: IPv6: ADDRCONF(NETDEV_UP): wlp3s0:
link is not ready
| Mar 12 13:53:06 ragnar.local kernel: iwlwifi 0000:03:00.0: L1 Enabled - LTR
Enabled
| Mar 12 13:53:06 ragnar.local NetworkManager[23292]: <info> (wlp3s0):
device state change: unmanaged -> unavailable (reason 'managed') [10 20 2]
| Mar 12 13:53:06 ragnar.local kernel: iwlwifi 0000:03:00.0: L1 Enabled - LTR
Enabled
| Mar 12 13:53:07 ragnar.local kernel: iwlwifi 0000:03:00.0: L1 Enabled - LTR
Enabled
| Mar 12 13:53:07 ragnar.local kernel: iwlwifi 0000:03:00.0: L1 Enabled - LTR
Enabled
| Mar 12 13:53:07 ragnar.local NetworkManager[23292]: <info> NetworkManager
state is now DISCONNECTED
| Mar 12 13:53:07 ragnar.local kernel: IPv6: ADDRCONF(NETDEV_UP): wlp3s0:
link is not ready
| Mar 12 13:53:07 ragnar.local wpa_supplicant[23157]: dbus:
wpa_dbus_get_object_properties: failed to get object properties: (none) none
| Mar 12 13:53:07 ragnar.local wpa_supplicant[23157]: dbus: Failed to
construct signal
| Mar 12 13:53:07 ragnar.local wpa_supplicant[23157]: Could not read
interface p2p-dev-wlp3s0 flags: No such device
| Mar 12 13:53:07 ragnar.local NetworkManager[23292]: <info> (wlp3s0):
supplicant interface state: starting -> ready
| Mar 12 13:53:07 ragnar.local NetworkManager[23292]: <info> (wlp3s0):
device state change: unavailable -> disconnected (reason
'supplicant-available') [20 30 42]
| Mar 12 13:53:07 ragnar.local NetworkManager[23292]: <info> Device 'wlp3s0'
has no connection; scheduling activate_check in 0 seconds.
| Mar 12 13:53:07 ragnar.local kernel: IPv6: ADDRCONF(NETDEV_UP): wlp3s0:
link is not ready
Thanks,
Haw
---
ApportVersion: 2.20-0ubuntu3
Architecture: amd64
CurrentDesktop: Unity
DistroRelease: Ubuntu 16.04
IfupdownConfig:
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
InstallationDate: Installed on 2014-04-24 (687 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
Package: wpasupplicant
PackageArchitecture: amd64
ProcVersionSignature: Ubuntu 4.4.0-11.26-generic 4.4.4
RfKill: Error: [Errno 2] No such file or directory
Tags: xenial
Uname: Linux 4.4.0-11-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dialout dip lpadmin plugdev sudo users
_MarkForUpload: True
modified.conffile..etc.NetworkManager.NetworkManager.conf: [modified]
modified.conffile..etc.dnsmasq.d.network.manager: [modified]
mtime.conffile..etc.NetworkManager.NetworkManager.conf:
2015-09-12T15:03:20.815898
mtime.conffile..etc.dnsmasq.d.network.manager: 2014-07-29T22:12:51.096293
nmcli-con:
NAME UUID TYPE TIMESTAMP
TIMESTAMP-REAL AUTOCONNECT AUTOCONNECT-PRIORITY READONLY
DBUS-PATH ACTIVE DEVICE STATE
ACTIVE-PATH
hld-2.4GHz deffb41a-c707-4088-a887-36d63f43a6a0 802-11-wireless
1457784347 Sat 12 Mar 2016 11:05:47 PM AEDT yes 0
no /org/freedesktop/NetworkManager/Settings/0 yes wlp3s0
activated /org/freedesktop/NetworkManager/ActiveConnection/12
nmcli-dev:
DEVICE TYPE STATE DBUS-PATH
CONNECTION CON-UUID CON-PATH
wlp3s0 wifi connected /org/freedesktop/NetworkManager/Devices/0
hld-2.4GHz deffb41a-c707-4088-a887-36d63f43a6a0
/org/freedesktop/NetworkManager/ActiveConnection/12
lo loopback unmanaged /org/freedesktop/NetworkManager/Devices/1 --
-- --
nmcli-nm: Error: command ['nmcli', '-f', 'all', 'nm'] failed with exit code
2: Error: Object 'nm' is unknown, try 'nmcli help'.
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