Thread: [fixed] Spectacular wifi failure

looks update fixed me. thanks!


while working ok on install usb drive when try use wireless after installing, signal cuts out , the network icon dissappears once every 2 seconds. re-connects fails , dissappears again.

here of log file @ time

code:

: <info> wifi hardware radio set enabled mar 16 09:18:48 leatherback networkmanager[5861]: <info> wifi enabled radio killswitch; enabled state file mar 16 09:18:48 leatherback networkmanager[5861]: <info> wwan enabled radio killswitch; enabled state file mar 16 09:18:48 leatherback networkmanager[5861]: <info> wimax enabled radio killswitch; enabled state file mar 16 09:18:48 leatherback networkmanager[5861]: <info> networking enabled state file mar 16 09:18:48 leatherback networkmanager[5861]: <warn> failed allocate link cache: (-10) operation not supported mar 16 09:18:48 leatherback networkmanager[5861]: <info> (eth0): carrier off mar 16 09:18:48 leatherback networkmanager[5861]: <info> (eth0): new ethernet device (driver: 'r8169' ifindex: 2) mar 16 09:18:48 leatherback networkmanager[5861]: <info> (eth0): exported /org/freedesktop/networkmanager/devices/0 mar 16 09:18:48 leatherback networkmanager[5861]: <info> (eth0): device state change: unmanaged -> unavailable (reason 'managed') [10 20 2] mar 16 09:18:48 leatherback networkmanager[5861]: <info> (eth0): preparing device. mar 16 09:18:48 leatherback networkmanager[5861]: <info> (eth0): deactivating device (reason 'managed') [2] mar 16 09:18:48 leatherback networkmanager[5861]: <info> added default wired connection 'wired connection 1' /sys/devices/pci0000:00/0000:00:04.0/0000:01:00.0/net/eth0 mar 16 09:18:48 leatherback networkmanager[5861]: <info> (wlan0): using nl80211 wifi device control mar 16 09:18:48 leatherback networkmanager[5861]: <info> (wlan0): driver supports access point (ap) mode mar 16 09:18:48 leatherback networkmanager[5861]: <info> (wlan0): new 802.11 wifi device (driver: 'rtl8192ce' ifindex: 3) mar 16 09:18:48 leatherback networkmanager[5861]: <info> (wlan0): exported /org/freedesktop/networkmanager/devices/1 mar 16 09:18:48 leatherback networkmanager[5861]: <info> (wlan0): device state change: unmanaged -> unavailable (reason 'managed') [10 20 2] mar 16 09:18:48 leatherback networkmanager[5861]: <info> (wlan0): preparing device. mar 16 09:18:48 leatherback networkmanager[5861]: <info> (wlan0): deactivating device (reason 'managed') [2] mar 16 09:18:48 leatherback networkmanager[5861]: <warn> failed allocate link cache: (-10) operation not supported mar 16 09:18:48 leatherback networkmanager[5861]: <info> (easytether0): carrier on mar 16 09:18:48 leatherback networkmanager[5861]: <error> [1363393128.409453] [nm-device-ethernet.c:443] update_permanent_hw_address(): (easytether0): unable read permanent mac address (error 0) mar 16 09:18:48 leatherback networkmanager[5861]: <info> (easytether0): new ethernet device (driver: 'easytether' ifindex: 4) mar 16 09:18:48 leatherback networkmanager[5861]: <info> (easytether0): exported /org/freedesktop/networkmanager/devices/2 mar 16 09:18:48 leatherback networkmanager[5861]: <info> (easytether0): device state change: unmanaged -> unavailable (reason 'managed') [10 20 2] mar 16 09:18:48 leatherback networkmanager[5861]: <info> (easytether0): preparing device. mar 16 09:18:48 leatherback networkmanager[5861]: <info> (easytether0): deactivating device (reason 'managed') [2] mar 16 09:18:48 leatherback networkmanager[5861]: <info> added default wired connection 'wired connection 2' /sys/devices/virtual/net/easytether0 mar 16 09:18:48 leatherback networkmanager[5861]: <warn> /sys/devices/virtual/net/lo: couldn't determine device driver; ignoring... mar 16 09:18:48 leatherback networkmanager[5861]: <warn> /sys/devices/virtual/net/lo: couldn't determine device driver; ignoring... mar 16 09:18:48 leatherback networkmanager[5861]: <info> (wlan0) supports 4 scan ssids mar 16 09:18:48 leatherback networkmanager[5861]: <warn> trying remove non-existant call id. mar 16 09:18:48 leatherback networkmanager[5861]: <info> (wlan0): supplicant interface state: starting -> ready mar 16 09:18:48 leatherback networkmanager[5861]: <info> (wlan0): device state change: unavailable -> disconnected (reason 'supplicant-available') [20 30 42] mar 16 09:18:48 leatherback networkmanager[5861]: <info> (easytether0): device state change: unavailable -> disconnected (reason 'none') [20 30 0] mar 16 09:18:48 leatherback networkmanager[5861]: <info> auto-activating connection 'wired connection 2'. mar 16 09:18:48 leatherback networkmanager[5861]: <info> activation (easytether0) starting connection 'wired connection 2' mar 16 09:18:48 leatherback networkmanager[5861]: <info> (easytether0): device state change: disconnected -> prepare (reason 'none') [30 40 0] mar 16 09:18:48 leatherback networkmanager[5861]: <info> activation (easytether0) stage 1 of 5 (device prepare) scheduled... mar 16 09:18:48 leatherback networkmanager[5861]: <info> activation (easytether0) stage 1 of 5 (device prepare) started... mar 16 09:18:48 leatherback networkmanager[5861]: <info> activation (easytether0) stage 2 of 5 (device configure) scheduled... mar 16 09:18:48 leatherback networkmanager[5861]: <info> activation (easytether0) stage 1 of 5 (device prepare) complete. mar 16 09:18:48 leatherback networkmanager[5861]: <info> activation (easytether0) stage 2 of 5 (device configure) starting... mar 16 09:18:48 leatherback networkmanager[5861]: <info> (easytether0): device state change: prepare -> config (reason 'none') [40 50 0] mar 16 09:18:48 leatherback networkmanager[5861]: <info> activation (easytether0) stage 2 of 5 (device configure) successful. mar 16 09:18:48 leatherback networkmanager[5861]: <info> activation (easytether0) stage 3 of 5 (ip configure start) scheduled. mar 16 09:18:48 leatherback networkmanager[5861]: <info> activation (easytether0) stage 2 of 5 (device configure) complete. mar 16 09:18:48 leatherback networkmanager[5861]: <info> activation (easytether0) stage 3 of 5 (ip configure start) started... mar 16 09:18:48 leatherback networkmanager[5861]: <info> (easytether0): device state change: config -> ip-config (reason 'none') [50 70 0] mar 16 09:18:48 leatherback networkmanager[5861]: <info> activation (easytether0) beginning dhcpv4 transaction (timeout in 45 seconds) mar 16 09:18:48 leatherback networkmanager[5861]: <info> dhclient started pid 5864 mar 16 09:18:48 leatherback networkmanager[5861]: <info> activation (easytether0) beginning ip6 addrconf. mar 16 09:18:48 leatherback networkmanager[5861]: <info> activation (easytether0) stage 3 of 5 (ip configure start) complete. mar 16 09:18:48 leatherback dhclient: internet systems consortium dhcp client 4.2.4 mar 16 09:18:48 leatherback dhclient: copyright 2004-2012 internet systems consortium. mar 16 09:18:48 leatherback dhclient: rights reserved. mar 16 09:18:48 leatherback dhclient: info, please visit https://www.isc.org/software/dhcp/ mar 16 09:18:48 leatherback dhclient:  mar 16 09:18:48 leatherback networkmanager[5861]: <info> (wlan0): supplicant interface state: ready -> completed mar 16 09:18:48 leatherback networkmanager[5861]: <info> (wlan0) supports 4 scan ssids mar 16 09:18:48 leatherback dhclient: listening on lpf/easytether0/ea:8b:b2:ca:11:39 mar 16 09:18:48 leatherback dhclient: sending on   lpf/easytether0/ea:8b:b2:ca:11:39 mar 16 09:18:48 leatherback dhclient: sending on   socket/fallback mar 16 09:18:48 leatherback dhclient: dhcpdiscover on easytether0 255.255.255.255 port 67 interval 3 (xid=0xb2ad527) mar 16 09:18:48 leatherback dhclient: dhcprequest of 192.168.117.2 on easytether0 255.255.255.255 port 67 (xid=0xb2ad527) mar 16 09:18:48 leatherback dhclient: dhcpoffer of 192.168.117.2 192.168.117.1 mar 16 09:18:48 leatherback dhclient: dhcpack of 192.168.117.2 192.168.117.1 mar 16 09:18:48 leatherback dhclient: bound 192.168.117.2 -- renewal in 2147483648 seconds. mar 16 09:18:48 leatherback networkmanager[5861]: <info> (easytether0): dhcpv4 state changed nbi -> preinit mar 16 09:18:48 leatherback networkmanager[5861]: <info> (easytether0): dhcpv4 state changed preinit -> bound mar 16 09:18:48 leatherback networkmanager[5861]: <info>   address 192.168.117.2 mar 16 09:18:48 leatherback networkmanager[5861]: <info>   prefix 24 (255.255.255.0) mar 16 09:18:48 leatherback networkmanager[5861]: <info>   gateway 192.168.117.1 mar 16 09:18:48 leatherback networkmanager[5861]: <info>   nameserver '8.8.8.8' mar 16 09:18:48 leatherback networkmanager[5861]: <info>   nameserver '8.8.4.4' mar 16 09:18:48 leatherback networkmanager[5861]: <info> activation (easytether0) stage 5 of 5 (ipv4 configure commit) scheduled... mar 16 09:18:48 leatherback networkmanager[5861]: <info> auto-activating connection 'open network'. mar 16 09:18:48 leatherback networkmanager[5861]: <info> activation (wlan0) starting connection 'open network' mar 16 09:18:48 leatherback networkmanager[5861]: <info> (wlan0): device state change: disconnected -> prepare (reason 'none') [30 40 0] mar 16 09:18:48 leatherback networkmanager[5861]: <info> activation (wlan0) stage 1 of 5 (device prepare) scheduled... mar 16 09:18:48 leatherback networkmanager[5861]: <info> activation (easytether0) stage 5 of 5 (ipv4 commit) started... mar 16 09:18:49 leatherback ntpdate[5807]: sendto(91.189.94.4): connection timed out

your network stack appears working. perhaps getting interference neighbor? how many wifi's see when click on wireless network icon?

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