Yes, having gone away for 15.10, I'm getting this problem again. Less
frequently, but the only way I've found to fix it is a reboot.


On 2 August 2016 at 08:06, Eric <ericv...@gmail.com> wrote:

> 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" <1408...@bugs.launchpad.net> 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
> >
> > To manage notifications about this bug go to:
> >
> >
> https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1408963/+subscriptions
> >
>
> --
> 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
>
> To manage notifications about this bug go to:
>
> https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1408963/+subscriptions
>

-- 
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
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),

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1408963/+subscriptions

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