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My fedora 24 machine is unable to connect to the wifi hotspot

asked 2016-07-11 01:55:18 -0500

Abhay gravatar image

updated 2016-07-12 02:43:19 -0500

My fedora 24 machine is unable to connect to the wifi router, though it detects the wifi AP and asks for the passphrase.

I am using iball Baton 150M Wireless-N broadband router.

FWIW, i am able to connect to this wifi using RHEL7 on same machine, my Android cellphone, macbook, Windows 10 machine.

Moreover, i can connect to other wifi hotspot from the Fedora 24 system.

My Fedora 24 machine is Thinkpad T540p model.

here are some logs:

uname -a:

# uname -a
Linux dhcp193-193.pnq.redhat.com 4.6.3-300.fc24.x86_64 #1 SMP Fri Jun 24 20:52:41 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

lspci -nnk | grep -iA2 net:

04:00.0 Network controller [0280]: Intel Corporation Wireless 7260 [8086:08b2] (rev bb)
    Subsystem: Intel Corporation Dual Band Wireless-AC 7260 [8086:c270]
    Kernel driver in use: iwlwifi

iwlist scan:

wlp4s0    Scan completed :
          Cell 01 - Address: 00:1E:A6:8E:2E:1A
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=64/70  Signal level=-46 dBm  
                    Encryption key:on
                    ESSID:"Kings"
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
                              9 Mb/s; 12 Mb/s; 18 Mb/s
                    Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
                    Mode:Master
                    Extra:tsf=00000001c0806257
                    Extra: Last beacon: 1903ms ago
                    IE: Unknown: 00054B696E6773
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 030106
                    IE: Unknown: 2A0100
                    IE: Unknown: 32043048606C
                    IE: Unknown: 2D1A6E191EFF00000000000000000000000000000000000000000000
                    IE: Unknown: 3D1606000000000000000000000000000000000000000000
                    IE: Unknown: 4A0E14000A00B400C800140005001900
                    IE: Unknown: 7F0101
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
                    IE: Unknown: DD1E00904C336E191EFF00000000000000000000000000000000000000000000
                    IE: Unknown: DD1A00904C3406000000000000000000000000000000000000000000
                    IE: Unknown: DD0600E04C020160
                    IE: Unknown: DDCF0050F204104A0001101044000102103B0001031047001063041253101920061228AABBCCDDEEFF1021001E4265737420495420576F726C6428494E44494129205076742E204C74642E102300203135304D20576972656C6573732D4E2042726F616462616E6420526F757465721024000B69422D5752423135304E491042000F3132333435363738393031323334371054000800060050F2040001101100203135304D20576972656C6573732D4E2042726F616462616E6420526F757465721008000226881049000600372A000120

journalctl -r | head -500 | grep -e Network -e dhc:

Jul 11 10:45:03 dhcp193-193.pnq.redhat.com NetworkManager[1146]: <info>  [1468214103.0286] device (wlp4s0): supplicant interface state: completed -> disconnected
Jul 11 10:45:03 dhcp193-193.pnq.redhat.com NetworkManager[1146]: <warn>  [1468214103.0285] sup-iface[0x55c834951c20,wlp4s0]: connection disconnected (reason -3)
Jul 11 10:45:03 dhcp193-193.pnq.redhat.com audit: NETFILTER_CFG table=mangle family=2 entries=42
Jul 11 10:45:03 dhcp193-193.pnq.redhat.com audit: NETFILTER_CFG table=filter family=2 entries=106
Jul 11 10:45:03 dhcp193-193.pnq.redhat.com audit: NETFILTER_CFG table=nat family=2 entries=62
Jul 11 10:45:03 dhcp193-193.pnq.redhat.com audit: NETFILTER_CFG table=mangle family=10 entries=40
Jul 11 10:45:03 dhcp193-193.pnq.redhat.com audit: NETFILTER_CFG table=filter family=10 entries=87
Jul 11 10:45:03 dhcp193-193.pnq.redhat.com audit: NETFILTER_CFG table=nat family=10 entries=52
Jul 11 10:45:03 dhcp193-193.pnq.redhat.com wpa_supplicant[1311]: p2p-dev-wlp4s0: CTRL-EVENT-REGDOM-CHANGE init=USER type=COUNTRY alpha2=IN
Jul 11 10:45:03 dhcp193-193.pnq.redhat.com org.gnome.Shell.desktop[1353]: Gjs-Message: JS LOG: An active wireless connection, in infrastructure mode, involves no access point?
Jul 11 10:45:03 dhcp193-193.pnq.redhat.com wpa_supplicant[1311]: p2p-dev-wlp4s0: CTRL-EVENT-REGDOM-CHANGE init=CORE ...
(more)
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answered 2016-07-13 08:24:16 -0500

Abhay gravatar image

It seems like issue was present from Fedora 21 onwards:

Added following to the /etc/dhcp/dhclient.conf file to resolve the issue:

# cat /etc/dhcp/dhclient.conf 
send dhcp-client-identifier = hardware;

This bug report may be relevent.

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answered 2016-07-11 07:31:17 -0500

lef gravatar image

After you have entered your passphrase, was it properly stored at:

/etc/sysconfig/network-scripts/keys-Kings

In a line such as: WPA_PSK='PASSPHRASE'

?

It also works to have the line directly in the /etc/sysconfig/network-scripts/ifcfg-Kings

Don't forget to: nmcli con reload

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Comments

@lef, the passphrase is properly added to the keys-Kings file. I also tried adding it to the ifcfg-Kings file, but it didn't help.

I see a log regarding dhcp timeout while trying to connect: ` Jul 11 20:25:14 abhay-laptop NetworkManager[1146]: <info> [1468248914.2576] dhcp4 (wlp4s0): dhclient started with pid 12010 ... Jul 11 20:25:14 abhay-laptop dhclient[12010]: DHCPDISCOVER on wlp4s0 to 255.255.255.255 port 67 interval 8 (xid=0x4216d054) Jul 11 20:25:59 abhay-laptop NetworkManager[1146]: <warn> [1468248959.1238] dhcp4 (wlp4s0): request timed out

Abhay gravatar imageAbhay ( 2016-07-11 10:30:31 -0500 )edit

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Asked: 2016-07-11 00:33:16 -0500

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Last updated: Jul 12 '16