Behaviour has not changed after BIOS update. Right after I wrote comment
#4, I lost the network, but cycling wifi via nm-applet brought it back.
Things seemed to otherwise work yesterday, but this morning after resume
from suspend it was back to the same: associated with my AP, but pages
in browser do not load. I then ping the AP and get "unreachable".
$ sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date
G7ET98WW (2.58 )
12/16/2013
# ping 192.168.1.1
PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data.
>From 192.168.1.10 icmp_seq=1 Destination Host Unreachable
^C
--- 192.168.1.1 ping statistics ---
2 packets transmitted, 0 received, +1 errors, 100% packet loss, time 1001ms
# iwconfig
eth0 no wireless extensions.
lo no wireless extensions.
virbr0 no wireless extensions.
wlan0 IEEE 802.11abgn ESSID: <hidden>
Mode:Managed Frequency:2.437 GHz Access Point: <hidden>
Bit Rate=78 Mb/s Tx-Power=15 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:on
Link Quality=70/70 Signal level=-34 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:26 Invalid misc:52 Missed beacon:0
# dmesg |tail
[41713.948053] iwlwifi 0000:03:00.0: L1 Enabled; Disabling L0S
[41713.954762] iwlwifi 0000:03:00.0: Radio type=0x0-0x3-0x1
[41714.098900] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[41720.587581] wlan0: authenticate with <hidden>
[41720.599843] wlan0: send auth to <hidden> (try 1/3)
[41720.604907] wlan0: authenticated
[41720.608100] wlan0: associate with <hidden> (try 1/3)
[41720.611883] wlan0: RX AssocResp from <hidden> (capab=0x1411 status=0 aid=5)
[41720.622822] wlan0: associated
[41720.622892] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
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https://bugs.launchpad.net/bugs/1281729
Title:
8086:4238 [Lenovo ThinkPad T430s] iwlwifi using 802.11n associates
with access point but network is unreachable
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