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Message #121058
[Bug 1451233] Re: Realtek RTL8723BE drops connection until reboot
The problem has been reported to the linux-wireless mailing list. If anyone is interested, here you can watch discussion:
http://thread.gmane.org/gmane.linux.kernel.wireless.general/138215
By the way, it's my first time using mailing lists and I'm not sure if
I've done everything correctly. So if something is wrong with my report,
please let me know.
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https://bugs.launchpad.net/bugs/1451233
Title:
Realtek RTL8723BE drops connection until reboot
Status in linux package in Ubuntu:
Triaged
Bug description:
I have a Lenovo B5400 laptop with RTL8723BE wireless module. The internet connection constantly getting lost after a random duration (usually after 20-30 minutes). The NetworkManager applet does not recognize it (still looks like i have a connection), but when I try do disconnect and connect again, there is only one useful information I can find in dmesg:
"wlan0: deauthenticating from [ap mac address] by local choice (Reason: 3=DEAUTH_LEAVING)"
Reinserting the driver (modprobe -r rtl8723be and modprobe rtl8723) used to be my only workaround, but it does not work anymore and now I have to reboot.
The following improves performance, but I am still encountering some minor performance issues while playing online games (random lag spikes):
sudo nano /etc/modprobe.d/rtl8723be.conf
options rtl8723be ips=0 fwlps=0
---
ApportVersion: 2.14.1-0ubuntu3.11
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: pk 1907 F.... pulseaudio
/dev/snd/controlC0: pk 1907 F.... pulseaudio
CurrentDesktop: Unity
DistroRelease: Ubuntu 14.04
HibernationDevice: RESUME=UUID=4ce160f4-029c-4fd5-ba3f-254c6e3e33dd
InstallationDate: Installed on 2015-05-24 (0 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
MachineType: LENOVO 20278
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-38-generic root=UUID=a9da170f-b86b-434f-910b-00929ceb8420 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 3.16.0-38.52~14.04.1-generic 3.16.7-ckt10
RelatedPackageVersions:
linux-restricted-modules-3.16.0-38-generic N/A
linux-backports-modules-3.16.0-38-generic N/A
linux-firmware 1.127.12
Tags: trusty
Uname: Linux 3.16.0-38-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 03/03/2014
dmi.bios.vendor: LENOVO
dmi.bios.version: J7ET61WW (2.06 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20278 QB0
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvrJ7ET61WW(2.06):bd03/03/2014:svnLENOVO:pn20278:pvrB5400:rvnLENOVO:rn20278QB0:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 20278
dmi.product.version: B5400
dmi.sys.vendor: LENOVO
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References