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Message #80695
[Bug 1322425] Re: Network-Manager won't connect to wifi with n-channels
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: network-manager (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1322425
Title:
Network-Manager won't connect to wifi with n-channels
Status in “network-manager” package in Ubuntu:
Confirmed
Bug description:
ubuntu@ubuntu:~$ lsb_release -rd
Description: Ubuntu 14.04 LTS
Release: 14.04
ubuntu@ubuntu:~$ apt-cache policy network-manager
network-manager:
Installed: 0.9.8.8-0ubuntu7
Candidate: 0.9.8.8-0ubuntu7
Version table:
*** 0.9.8.8-0ubuntu7 0
500 http://archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
100 /var/lib/dpkg/status
ubuntu@ubuntu:~$ uname -a
Linux ubuntu 3.13.0-24-generic #46-Ubuntu SMP Thu Apr 10 19:11:08 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
Problem with wifi connection.
Behavior in 13.04, 13.10, using laptop's built'in wifi adapter (wlan0, see diagnostics below):
Connection is ok, in fact so fast that the laptop is connected by the time lightdm shows login screen.
Behavior in 14.04 LTS:
With laptop's built-in wifi adapter (wlan0) - prompt for password (for secure WEP-Personal network), attempt to connect, prompt for password again, attempt again, repeat. Never connects, process only interruptible by user intervension (hit "Cancel").
Same result in the case of a non-secured "open" network on same AP -
connection fails (except no prompt for password obviously).
With USB wifi dongle plugged in (wlan1) - connection is quick and
flawless.
Expected behavior: network-manager should connect with the laptop's
built-in wan adapter (wan0) ***as it did in the previous versions
mentioned above, same laptop, same hardware, sam AP, same
network(s).***
Some diagnostics:
lspci: (Built-in wlan0: Intel Corporation Centrino Advanced-N 6200
usb wifi dongle wlan1:Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
lspci output:
ubuntu@ubuntu:~$ lspci -nnk | grep -iA2 net
02:00.0 Network controller [0280]: Intel Corporation Centrino Advanced-N 6200 [8086:4239] (rev 35)
Subsystem: Intel Corporation Centrino Advanced-N 6200 2x2 AGN [8086:1311]
Kernel driver in use: iwlwifi
03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 03)
Subsystem: Hewlett-Packard Company Device [103c:7001]
Kernel driver in use: r8169
========================
ifconfig output:
eth0 Link encap:Ethernet HWaddr 60:eb:69:41:6c:38
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:729 errors:0 dropped:0 overruns:0 frame:0
TX packets:729 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:75318 (75.3 KB) TX bytes:75318 (75.3 KB)
wlan0 Link encap:Ethernet HWaddr 00:27:10:97:75:9c
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
wlan1 Link encap:Ethernet HWaddr 00:21:2f:35:73:50
inet addr:192.168.0.40 Bcast:192.168.0.255 Mask:255.255.255.0
inet6 addr: fe80::221:2fff:fe35:7350/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:11823 errors:0 dropped:1 overruns:0 frame:0
TX packets:5340 errors:0 dropped:1 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:8420626 (8.4 MB) TX bytes:810908 (810.9 KB)
========================
iwconfig:
wlan1 IEEE 802.11bg ESSID:"AVITAL_SECURE" Nickname:"rtl_wifi"
Mode:Managed Frequency:2.462 GHz Access Point: 00:18:4D:44:A4:BD
Bit Rate:54 Mb/s Sensitivity:0/0
Retry:off RTS thr:off Fragment thr:off
Power Management:off
Link Quality=100/100 Signal level=100/100 Noise level=0/100
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
eth0 no wireless extensions.
lo no wireless extensions.
wlan0 IEEE 802.11abgn ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=15 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
========================
nm-tool:
NetworkManager Tool
State: connected (global)
- Device: wlan1 [Wi-Fi connection 1] ------------------------------------------
Type: 802.11 WiFi
Driver: r8712u
State: connected
Default: yes
HW Address: 00:21:2F:35:73:50
Capabilities:
Speed: 54 Mb/s
Wireless Properties
WEP Encryption: yes
WPA Encryption: yes
WPA2 Encryption: yes
Wireless Access Points (* = current AP)
*MY_SSID: Infra, 00:18:4D:44:A4:BD, Freq 2462 MHz, Rate 54 Mb/s, Strength 100 WPA WPA2
IPv4 Settings:
Address: 192.168.0.40
Prefix: 24 (255.255.255.0)
Gateway: 192.168.0.1
DNS: 192.168.0.1
- Device: eth0 -----------------------------------------------------------------
Type: Wired
Driver: r8169
State: unavailable
Default: no
HW Address: 60:EB:69:41:6C:38
Capabilities:
Carrier Detect: yes
Wired Properties
Carrier: off
- Device: wlan0 ----------------------------------------------------------------
Type: 802.11 WiFi
Driver: iwlwifi
State: disconnected
Default: no
HW Address: 00:27:10:97:75:9C
Capabilities:
Wireless Properties
WEP Encryption: yes
WPA Encryption: yes
WPA2 Encryption: yes
Wireless Access Points
MY_SSID: Infra, 00:18:4D:44:A4:BD, Freq 2462 MHz, Rate 54 Mb/s, Strength 100 WPA WPA2
========================
rfkill list all:
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
1: hp-wifi: Wireless LAN
Soft blocked: no
Hard blocked: no
2: hp-bluetooth: Bluetooth
Soft blocked: no
Hard blocked: no
3: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
========================
End of diagnostics.
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