Happened just now. Output from 'dmesg | grep wlan' below... [ 41.595074] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 41.853714] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 43.634835] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 325.794164] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 385.767370] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 435.449149] wlan0: authenticate with 54:67:51:4d:6f:9f [ 435.455242] wlan0: send auth to 54:67:51:4d:6f:9f (try 1/3) [ 435.456070] wlan0: authenticated [ 435.460078] wlan0: associate with 54:67:51:4d:6f:9f (try 1/3) [ 435.493153] wlan0: RX AssocResp from 54:67:51:4d:6f:9f (capab=0x511 status=0 aid=2) [ 435.494511] wlan0: associated [ 435.494567] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [66243.425766] wlan0: deauthenticating from 54:67:51:4d:6f:9f by local choice (Reason: 3=DEAUTH_LEAVING) [66243.425883] wlan0: Failed check-sdata-in-driver check, flags: 0x0 [66243.427107] wlan0: Failed check-sdata-in-driver check, flags: 0x0 [66243.440134] wlan0: Failed check-sdata-in-driver check, flags: 0x0 [66243.441351] wlan0: Failed check-sdata-in-driver check, flags: 0x0 [66243.442580] wlan0: Failed check-sdata-in-driver check, flags: 0x0 [66243.460145] wlan0: Failed check-sdata-in-driver check, flags: 0x0 [66243.462442] wlan0: Failed check-sdata-in-driver check, flags: 0x0 [66243.472124] wlan0: Failed check-sdata-in-driver check, flags: 0x0 [66243.473361] wlan0: Failed check-sdata-in-driver check, flags: 0x0 [66243.474414] wlan0: Failed check-sdata-in-driver check, flags: 0x0 [66243.475532] wlan0: Failed check-sdata-in-driver check, flags: 0x0 [66243.488104] wlan0: Failed check-sdata-in-driver check, flags: 0x0 [66243.489265] wlan0: Failed check-sdata-in-driver check, flags: 0x0 [66243.490403] wlan0: Failed check-sdata-in-driver check, flags: 0x0 [66243.491586] wlan0: Failed check-sdata-in-driver check, flags: 0x0 [66243.508265] wlan0: Failed check-sdata-in-driver check, flags: 0x0
On 2 August 2016 at 10:14, Gil Gamesh <games...@gmail.com> wrote: > 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 Desktop Packages, which is subscribed to network-manager in 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), 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 -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp