Wireless connection error for SOME networks
I have just installed Ubuntu 14.04 LTS and everything about wireless was ok until I come to work. 14.04 recognized & successfully connected to my home wireless network but it does not connect to my work wireless network. I'm able to see my work wireless network but always get connection error. Here is the related syslog:
Apr 18 11:36:57 talha-HP NetworkManager[
Apr 18 11:36:57 talha-HP NetworkManager[
Apr 18 11:36:57 talha-HP NetworkManager[
Apr 18 11:36:57 talha-HP NetworkManager[
Apr 18 11:36:57 talha-HP NetworkManager[
Apr 18 11:36:57 talha-HP NetworkManager[
Apr 18 11:36:57 talha-HP NetworkManager[
Apr 18 11:36:57 talha-HP NetworkManager[
Apr 18 11:36:57 talha-HP NetworkManager[
Apr 18 11:36:57 talha-HP NetworkManager[
Apr 18 11:36:57 talha-HP NetworkManager[
Apr 18 11:36:57 talha-HP NetworkManager[
Apr 18 11:36:57 talha-HP NetworkManager[
Apr 18 11:36:57 talha-HP NetworkManager[
Apr 18 11:36:57 talha-HP NetworkManager[
Apr 18 11:36:57 talha-HP wpa_supplicant[
Apr 18 11:36:58 talha-HP wpa_supplicant[
Apr 18 11:36:58 talha-HP NetworkManager[
Apr 18 11:36:59 talha-HP wpa_supplicant[
Apr 18 11:36:59 talha-HP wpa_supplicant[
Apr 18 11:36:59 talha-HP kernel: [ 1273.444046] cfg80211: Calling CRDA for country: TR
Apr 18 11:36:59 talha-HP NetworkManager[
Apr 18 11:36:59 talha-HP NetworkManager[
Apr 18 11:36:59 talha-HP NetworkManager[
Apr 18 11:36:59 talha-HP NetworkManager[
Apr 18 11:36:59 talha-HP NetworkManager[
Apr 18 11:36:59 talha-HP NetworkManager[
Apr 18 11:36:59 talha-HP NetworkManager[
Apr 18 11:36:59 talha-HP NetworkManager[
Apr 18 11:36:59 talha-HP kernel: [ 1273.450186] cfg80211: Regulatory domain changed to country: TR
Apr 18 11:36:59 talha-HP kernel: [ 1273.450191] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
Apr 18 11:36:59 talha-HP kernel: [ 1273.450194] cfg80211: (2402000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm)
Apr 18 11:36:59 talha-HP kernel: [ 1273.450196] cfg80211: (5170000 KHz - 5250000 KHz @ 20000 KHz), (N/A, 2000 mBm)
Apr 18 11:36:59 talha-HP kernel: [ 1273.450198] cfg80211: (5250000 KHz - 5330000 KHz @ 20000 KHz), (N/A, 2000 mBm)
Apr 18 11:36:59 talha-HP kernel: [ 1273.450201] cfg80211: (57240000 KHz - 65880000 KHz @ 2160000 KHz), (N/A, 4000 mBm)
Apr 18 11:36:59 talha-HP avahi-daemon[722]: Withdrawing address record for fe80::6627:
Apr 18 11:36:59 talha-HP avahi-daemon[722]: Leaving mDNS multicast group on interface wlan0.IPv6 with address fe80::6627:
Apr 18 11:36:59 talha-HP avahi-daemon[722]: Interface wlan0.IPv6 no longer relevant for mDNS.
Apr 18 11:36:59 talha-HP dhclient: Internet Systems Consortium DHCP Client 4.2.4
Apr 18 11:36:59 talha-HP dhclient: Copyright 2004-2012 Internet Systems Consortium.
Apr 18 11:36:59 talha-HP dhclient: All rights reserved.
Apr 18 11:36:59 talha-HP dhclient: For info, please visit https:/
Apr 18 11:36:59 talha-HP dhclient:
Apr 18 11:36:59 talha-HP NetworkManager[
Apr 18 11:36:59 talha-HP dhclient: Listening on LPF/wlan0/
Apr 18 11:36:59 talha-HP dhclient: Sending on LPF/wlan0/
Apr 18 11:36:59 talha-HP dhclient: Sending on Socket/fallback
Apr 18 11:36:59 talha-HP dhclient: DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 3 (xid=0x8c5113b)
Apr 18 11:37:00 talha-HP avahi-daemon[722]: Joining mDNS multicast group on interface wlan0.IPv6 with address fe80::6627:
Apr 18 11:37:00 talha-HP avahi-daemon[722]: New relevant interface wlan0.IPv6 for mDNS.
Apr 18 11:37:00 talha-HP avahi-daemon[722]: Registering new address record for fe80::6627:
Apr 18 11:37:02 talha-HP dhclient: DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 8 (xid=0x8c5113b)
Apr 18 11:37:10 talha-HP dhclient: DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 14 (xid=0x8c5113b)
Apr 18 11:37:24 talha-HP dhclient: DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 16 (xid=0x8c5113b)
Apr 18 11:37:40 talha-HP dhclient: DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 18 (xid=0x8c5113b)
Apr 18 11:37:44 talha-HP NetworkManager[
Apr 18 11:37:44 talha-HP NetworkManager[
Apr 18 11:37:44 talha-HP NetworkManager[
Apr 18 11:37:44 talha-HP NetworkManager[
Apr 18 11:37:44 talha-HP NetworkManager[
Apr 18 11:37:44 talha-HP NetworkManager[
Apr 18 11:37:44 talha-HP NetworkManager[
Apr 18 11:37:44 talha-HP NetworkManager[
Apr 18 11:37:44 talha-HP NetworkManager[
Apr 18 11:37:44 talha-HP NetworkManager[
Apr 18 11:37:44 talha-HP avahi-daemon[722]: Withdrawing address record for fe80::6627:
Apr 18 11:37:44 talha-HP avahi-daemon[722]: Leaving mDNS multicast group on interface wlan0.IPv6 with address fe80::6627:
Apr 18 11:37:44 talha-HP avahi-daemon[722]: Interface wlan0.IPv6 no longer relevant for mDNS.
Apr 18 11:37:44 talha-HP wpa_supplicant[
Apr 18 11:37:44 talha-HP wpa_supplicant[
p.s. I was able to connect same network using Ubuntu 12.04 yesterday.
Output of lspci -nnk | grep -iA2 net
02:00.0 Network controller [0280]: Broadcom Corporation BCM4313 802.11bgn Wireless Network Adapter [14e4:4727] (rev 01)
Subsystem: Hewlett-Packard Company Device [103c:1795]
Kernel driver in use: wl
03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller [10ec:8136] (rev 05)
Subsystem: Hewlett-Packard Company Device [103c:1670]
Kernel driver in use: r8169
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