Unstable wifi connection

[szuki]

After a while surfing on internet I get

[ 197.963230] ERROR @wl_cfg80211_set_power_mgmt : error (-22)
[ 202.537596] ERROR @wl_cfg80211_set_power_mgmt : error (-22)
[ 207.624125] ERROR @wl_cfg80211_disconnect : error (-22)
[ 207.660718] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
[ 209.034352] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
[ 233.792671] ERROR @wl_cfg80211_set_power_mgmt : error (-22)
[ 233.796739] ERROR @wl_cfg80211_scan : WLC_SET_PASSIVE_SCAN error (-22)
[ 233.806077] ERROR @wl_cfg80211_scan : WLC_SET_PASSIVE_SCAN error (-22)
[ 258.799926] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
[ 258.819853] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
[ 270.435576] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
[ 273.797088] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
[ 276.336516] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
[ 301.802579] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
[ 301.819160] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
[ 326.900039] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
[ 329.910940] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
[ 352.974379] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
[ 386.051841] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
[ 429.123903] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
[ 482.108538] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
[ 545.119723] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
[ 608.149249] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
[ 671.194580] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
[ 734.177865] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
[ 797.184937] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
[ 860.187819] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
[ 923.204723] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
[ 986.261045] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
[ 1049.312716] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
[ 1112.347750] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
[ 1175.377460] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)
[ 1238.414115] ERROR @wl_cfg80211_scan : WLC_SCAN error (-22)

When I unload wl module and load it. The laptop freezes and there is no way to bring it back to life.

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: bcmwl-kernel-source 6.30.223.248+bdcom-0ubuntu2
ProcVersionSignature: Ubuntu 3.19.0-18.18-generic 3.19.6
Uname: Linux 3.19.0-18-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.17.2-0ubuntu1.1
Architecture: amd64
Date: Tue Jun 2 20:47:45 2015
EcryptfsInUse: Yes
InstallationDate: Installed on 2015-05-30 (3 days ago)
InstallationMedia: Kubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
ProcEnviron:
 LANGUAGE=
 TERM=xterm
 PATH=(custom, no user)
 LANG=pl_PL.UTF-8
 SHELL=/usr/bin/zsh
SourcePackage: bcmwl
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.