Comment 61 for bug 1408963

Thanks for posting. I had been wondering whether an upgrade would fix this
issue as, for me, this problem appeared in 15.04, went away in 15.10, and
returned in 16.04.

On 16 October 2016 at 23:58, Robin Hodgson <email address hidden>
wrote:

> I had never heard of this problem until upgrading to 16.10 yesterday.
> Now my HP DV6000 is suffering from this exact problem, about 5 times in
> less than 24 hours since the upgrade.
>
> --
> 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 network-manager package in Ubuntu:
> Incomplete
>
> 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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