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Message #153321
[Bug 1493143] Re: rtl8723be wifi unusable on lenovo ideapad y50-70
Henk Stubbe, thank you for taking the time to report this bug and helping to make Ubuntu better. Please execute the following command only once, as it will automatically gather debugging information, in a terminal:
apport-collect 1493143
** Package changed: linux-lts-utopic (Ubuntu) => linux (Ubuntu)
** Changed in: linux (Ubuntu)
Importance: Undecided => Low
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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https://bugs.launchpad.net/bugs/1493143
Title:
rtl8723be wifi unusable on lenovo ideapad y50-70
Status in linux package in Ubuntu:
Incomplete
Bug description:
I obtained a lenovo y50-70 a few weeks ago, and installed ubuntu
14.04.3 LTS on it (dual boot with windows 8 that came pre-installed).
$ lsb_release -rd
Description: Ubuntu 14.04.3 LTS
Release: 14.04
I have not been able to get the rtl8723be wifi adapter to work yet.
If it will connect to a wifi network at all (which is rare), it will
be choppy (10% to 50% packet loss on a ping to the default gateway)
and usually disconnect after a few minutes.
The internet suggests a few work-arounds:
- run with fwlps=0 ips=0 as options to the rtl8723be module (eg. http://askubuntu.com/questions/590414/wifi-problems-with-rtl8723be-in-ubuntu-14-04)
- install an alternative driver (eg. http://askubuntu.com/questions/590414/wifi-problems-with-rtl8723be-in-ubuntu-14-04)
http://paste.ubuntu.com/1230961
However, none of those suggested worked for me.
I have tried downgrading the kernel down to 3.13.0-62, and various
kernels in between, but none of that helped either.
Output of the wireless-info script here:
http://paste.ubuntu.com/12309610/
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-extra-3.19.0-26-generic 3.19.0-26.28~14.04.1
ProcVersionSignature: Ubuntu 3.19.0-26.28~14.04.1-generic 3.19.8-ckt4
Uname: Linux 3.19.0-26-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.12
Architecture: amd64
Date: Mon Sep 7 21:18:25 2015
InstallationDate: Installed on 2015-08-21 (17 days ago)
InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
SourcePackage: linux-lts-vivid
UpgradeStatus: No upgrade log present (probably fresh install)
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References