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 <[email protected]> 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 <[email protected]> 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" <[email protected]> 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 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
