Here I have the syslog
Sep 24 08:08:40 Nouveau NetworkManager[28186]: <info> [1474679320.4763] plen 24 (255.255.255.0) Sep 24 08:08:40 Nouveau NetworkManager[28186]: <info> [1474679320.4763] gateway 192.168.12.1 Sep 24 08:08:40 Nouveau NetworkManager[28186]: <info> [1474679320.4763] server identifier 192.168.12.1 Sep 24 08:08:40 Nouveau NetworkManager[28186]: <info> [1474679320.4764] lease time 1 Sep 24 08:08:40 Nouveau NetworkManager[28186]: <info> [1474679320.4764] nameserver '192.168.12.1' Sep 24 08:08:40 Nouveau NetworkManager[28186]: <info> [1474679320.4764] nameserver '192.168.12.1' Sep 24 08:08:40 Nouveau NetworkManager[28186]: <info> [1474679320.4764] domain name 'lan' Sep 24 08:08:40 Nouveau NetworkManager[28186]: <info> [1474679320.4764] dhcp4 (wlp2s0): state changed bound -> bound Sep 24 08:08:40 Nouveau dhclient[28315]: bound to 192.168.12.8 -- renewal in 0 seconds. Sep 24 08:08:40 Nouveau dhclient[28315]: DHCPREQUEST of 192.168.12.8 on wlp2s0 to 192.168.12.1 port 67 (xid=0x52f2824f) Sep 24 08:08:40 Nouveau dhclient[28315]: DHCPACK of 192.168.12.8 from 192.168.12.1 Sep 24 08:08:40 Nouveau NetworkManager[28186]: <info> [1474679320.4808] address 192.168.12.8 Sep 24 08:08:40 Nouveau NetworkManager[28186]: <info> [1474679320.4808] plen 24 (255.255.255.0) Sep 24 08:08:43 Nouveau kernel: xhci_queue_intr_tx: 74 callbacks suppressed Sep 24 08:08:46 Nouveau ntpd[1995]: Soliciting pool server 202.65.114.202 Sep 24 08:08:48 Nouveau kernel: xhci_queue_intr_tx: 74 callbacks suppressed Sep 24 08:08:50 Nouveau ntpd[1995]: Soliciting pool server 2001:df2:2a00::903:123 Sep 24 08:08:51 Nouveau ntpd[1995]: Soliciting pool server 119.82.243.189 Sep 24 08:08:51 Nouveau ntpd[1995]: Soliciting pool server 202.162.32.12 Sep 24 08:08:51 Nouveau ntpd[1995]: Soliciting pool server 91.189.91.157 Sep 24 08:08:53 Nouveau kernel: xhci_queue_intr_tx: 74 callbacks suppressed Sep 24 08:08:57 Nouveau avahi-daemon[1564]: Withdrawing address record for 192.168.12.8 on wlp2s0. Sep 24 08:08:57 Nouveau avahi-daemon[1564]: Leaving mDNS multicast group on interface wlp2s0.IPv4 with address 192.168.12.8. Sep 24 08:08:57 Nouveau avahi-daemon[1564]: Interface wlp2s0.IPv4 no longer relevant for mDNS. Sep 24 08:08:57 Nouveau whoopsie[1567]: [08:08:57] Cannot reach: https://daisy.ubuntu.com Sep 24 08:08:57 Nouveau whoopsie[1567]: [08:08:57] offline Sep 24 08:08:57 Nouveau whoopsie[1567]: [08:08:57] Cannot reach: https://daisy.ubuntu.com Sep 24 08:08:57 Nouveau dhclient[28315]: send_packet: Network is unreachable Sep 24 08:08:57 Nouveau dhclient[28315]: send_packet: please consult README file regarding broadcast address. Sep 24 08:08:57 Nouveau dhclient[28315]: dhclient.c:2386: Failed to send 300 byte long packet over fallback interface. Sep 24 08:08:57 Nouveau dhclient[28315]: send_packet: Network is unreachable Sep 24 08:08:57 Nouveau dhclient[28315]: send_packet: please consult README file regarding broadcast address. Sep 24 08:08:57 Nouveau dhclient[28315]: dhclient.c:2386: Failed to send 300 byte long packet over fallback interface. Sep 24 08:08:57 Nouveau avahi-daemon[1564]: Joining mDNS multicast group on interface wlp2s0.IPv4 with address 192.168.12.8. Sep 24 08:08:57 Nouveau avahi-daemon[1564]: New relevant interface wlp2s0.IPv4 for mDNS. Sep 24 08:08:57 Nouveau avahi-daemon[1564]: Registering new address record for 192.168.12.8 on wlp2s0.IPv4. Sep 24 08:08:57 Nouveau whoopsie[1567]: [08:08:57] online Sep 24 08:08:58 Nouveau kernel: xhci_queue_intr_tx: 74 callbacks suppresse -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to network-manager-applet in Ubuntu. https://bugs.launchpad.net/bugs/1627222 Title: NetworkManager Is running out my laptop ram and CPU Status in network-manager-applet package in Ubuntu: New Bug description: Ihave upgraded the network manager a month ago but it is make my laptop screaming. here my dmesg [ 197.856471] cfg80211: Calling CRDA to update world regulatory domain [ 197.933205] cfg80211: World regulatory domain updated: [ 197.933214] cfg80211: DFS Master region: unset [ 197.933218] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time) [ 197.933224] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A) [ 197.933229] cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A) [ 197.933232] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (N/A, 2000 mBm), (N/A) [ 197.933237] cfg80211: (5170000 KHz - 5250000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2000 mBm), (N/A) [ 197.933242] cfg80211: (5250000 KHz - 5330000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2000 mBm), (0 s) [ 197.933246] cfg80211: (5490000 KHz - 5730000 KHz @ 160000 KHz), (N/A, 2000 mBm), (0 s) [ 197.933249] cfg80211: (5735000 KHz - 5835000 KHz @ 80000 KHz), (N/A, 2000 mBm), (N/A) [ 197.933253] cfg80211: (57240000 KHz - 63720000 KHz @ 2160000 KHz), (N/A, 0 mBm), (N/A) [ 197.933282] cfg80211: Calling CRDA for country: BO [ 197.940648] cfg80211: Regulatory domain changed to country: BO [ 197.940656] cfg80211: DFS Master region: unset [ 197.940659] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time) [ 197.940665] cfg80211: (2402000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A) [ 197.940670] cfg80211: (5250000 KHz - 5330000 KHz @ 80000 KHz), (N/A, 3000 mBm), (0 s) [ 197.940674] cfg80211: (5735000 KHz - 5835000 KHz @ 80000 KHz), (N/A, 3000 mBm), (N/A) [ 198.863087] wlp2s0: authenticate with ec:08:6b:18:c4:7d [ 198.879198] wlp2s0: send auth to ec:08:6b:18:c4:7d (try 1/3) [ 198.881329] wlp2s0: authenticated [ 198.881602] ath9k 0000:02:00.0 wlan0: disabling HT as WMM/QoS is not supported by the AP [ 198.881611] ath9k 0000:02:00.0 wlan0: disabling VHT as WMM/QoS is not supported by the AP [ 198.882067] wlp2s0: associate with ec:08:6b:18:c4:7d (try 1/3) [ 198.884677] wlp2s0: RX AssocResp from ec:08:6b:18:c4:7d (capab=0x401 status=0 aid=4) [ 198.884792] wlp2s0: associated [ 199.879630] wlp2s0: deauthenticating from ec:08:6b:18:c4:7d by local choice (Reason: 3=DEAUTH_LEAVING) ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: network-manager-gnome 1.2.0-0ubuntu0.16.04.4 Uname: Linux 3.10.103-0310103-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 CurrentDesktop: MATE Date: Fri Sep 23 23:30:40 2016 IfupdownConfig: # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback InstallationDate: Installed on 2016-07-19 (65 days ago) InstallationMedia: Ubuntu-MATE 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) IpRoute: default via 192.168.12.1 dev wlp2s0 proto static metric 600 169.254.0.0/16 dev wlp2s0 proto static scope link metric 1000 192.168.12.0/24 dev wlp2s0 proto kernel scope link src 192.168.12.8 192.168.12.0/24 dev wlp2s0 proto kernel scope link src 192.168.12.8 metric 600 NetworkManager.state: [main] NetworkingEnabled=true WirelessEnabled=true WWANEnabled=true SourcePackage: network-manager-applet UpgradeStatus: No upgrade log present (probably fresh install) nmcli-dev: DEVICE TYPE STATE DBUS-PATH CONNECTION CON-UUID CON-PATH wlp2s0 wifi connected /org/freedesktop/NetworkManager/Devices/0 KR-Hotspot 6a0f0865-6e86-456d-a887-111b9694fafc /org/freedesktop/NetworkManager/ActiveConnection/4 80:6A:B0:36:C6:D5 bt disconnected /org/freedesktop/NetworkManager/Devices/3 -- -- -- enp1s0 ethernet unavailable /org/freedesktop/NetworkManager/Devices/1 -- -- -- lo loopback unmanaged /org/freedesktop/NetworkManager/Devices/2 -- -- -- nmcli-nm: Error: command ['nmcli', '-f', 'all', 'nm'] failed with exit code 2: Error: Object 'nm' is unknown, try 'nmcli help'. 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