Public bug reported:
While using Wi-Fi and Bluetooth A2DP together there was stuttering on my
headset. I noticed that the interruptions were happening at constant
intervals and wondered if it was on account of Network Manager scanning
for access points. Forcing NM to stick to my local AP by using its BSSID
seems to have eliminated the interference/stuttering almost completely.
This is with the iwlwifi driver, the chip is the Intel Wireless 3160. It
could be that the driver is buggy too but since tweaking the NM
configuration appears to fix it, perhaps something could be done there.
ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: network-manager 1.8.4-1ubuntu3
ProcVersionSignature: Ubuntu 4.13.0-17.20-generic 4.13.8
Uname: Linux 4.13.0-17-generic x86_64
ApportVersion: 2.20.7-0ubuntu3.5
Architecture: amd64
CurrentDesktop: GNOME
Date: Wed Nov 29 07:54:09 2017
IfupdownConfig:
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
InstallationDate: Installed on 2017-11-27 (2 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
IpRoute:
default via 192.168.1.1 dev wlp6s0 proto static metric 600
192.168.1.0/24 dev wlp6s0 proto kernel scope link src 192.168.1.101 metric 600
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)
nmcli-con:
NAME UUID TYPE
TIMESTAMP TIMESTAMP-REAL AUTOCONNECT
AUTOCONNECT-PRIORITY READONLY DBUS-PATH
ACTIVE DEVICE STATE ACTIVE-PATH
SLAVE
JioFi2_16E4CC d11872a2-f551-4196-afca-776b92cda1cf 802-11-wireless
1511922053 Wednesday 29 November 2017 07:50:53 AM IST yes 0
no /org/freedesktop/NetworkManager/Settings/1 yes wlp6s0
activated /org/freedesktop/NetworkManager/ActiveConnection/11 --
Wired connection 1 f3db4b13-14a4-345e-9f62-abde3efe9544 802-3-ethernet
1511823262 Tuesday 28 November 2017 04:24:22 AM IST yes 4294966297
no /org/freedesktop/NetworkManager/Settings/2 no --
-- -- --
nmcli-dev:
DEVICE TYPE STATE DBUS-PATH
CONNECTION CON-UUID CON-PATH
wlp6s0 wifi connected /org/freedesktop/NetworkManager/Devices/3
JioFi2_16E4CC d11872a2-f551-4196-afca-776b92cda1cf
/org/freedesktop/NetworkManager/ActiveConnection/11
enp7s0 ethernet unavailable /org/freedesktop/NetworkManager/Devices/2 --
-- --
lo loopback unmanaged /org/freedesktop/NetworkManager/Devices/1 --
-- --
nmcli-nm:
RUNNING VERSION STATE STARTUP CONNECTIVITY NETWORKING WIFI-HW WIFI
WWAN-HW WWAN
running 1.8.4 connected started full enabled enabled
enabled enabled enabled
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug artful
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https://bugs.launchpad.net/bugs/1735040
Title:
Constant scanning for access points makes bluetooth audio (a2dp)
unusable; setting bssid fixes this
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