Comment 53 for bug 1408963

Confirming bug still present with kernel 4.4.0-31 on 16.04. My wifi
actually goes 'dormant'.

On Aug 2, 2016 00:41, "mxyzptlk" <email address hidden> wrote:

> As Gena said -- happens multiple times a day on 16.04 with kernel
> 4.4.0-31. Still occurred with kernel 4.4.0-28, but less frequently.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1408963
>
> Title:
> [Xbuntu 14.04, 14.10 and 15.04] Network manager stops working: iwl3945
> 0000:03:00.0: BSM uCode verification failed at addr ...; wlan0:
> deauthenticating from... by local choice (Reason: 3=DEAUTH_LEAVING),
>
> Status in linux-firmware package in Ubuntu:
> Confirmed
> Status in network-manager package in Ubuntu:
> Confirmed
>
> Bug description:
> From time to time, the system loses all wireles networks and kubuntu
> network manager applet goes blank - not even one network is shown. All
> wifi connections are broken. Rebooting fixes the issue, switching to
> WICD on-the-fly enables to continue browsing without rebooting, so it
> seems to be no hardware issue or iwl3945 issue.
>
> What to expect: stable connections and flawless network managing.
> What happens: so above.
>
> Further informations about the system, the network configuration, the
> package version can be found in the attachment, also parts of rsyslog
> and dmesg.
>
> Interesting, according to some helpers, are the following lines:
> dmesg: wlan0: deauthenticating from 02:26:4d:ac:8f:45 by local choice
> (Reason: 3=DEAUTH_LEAVING)
>
> lsb_release -a
> No LSB modules are available.
> Distributor ID: Ubuntu
> Description: Ubuntu 14.10
> Release: 14.10
> Codename: utopic
>
> apt-cache policy network-manager
> network-manager:
> Installiert: 0.9.8.8-0ubuntu28
> Installationskandidat: 0.9.8.8-0ubuntu28
> Versionstabelle:
> *** 0.9.8.8-0ubuntu28 0
> 500 http://de.archive.ubuntu.com/ubuntu/ utopic/main amd64
> Packages
> 100 /var/lib/dpkg/status
>
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>