ubuntu 15.04 wireless network driver doesn't connect: always "trying to connect" animation
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Invalid
|
Low
|
Unassigned |
Bug Description
I'm using Ubuntu 15.04 after the network upgrade from 14.10.
The wireless connection doesn't work on my Notebook Acer Travelmate 5720G
The cable connection (eg: eth0 interface ) works.
With Ubuntu 14.10 the wifi connection was ok.
Network Manager find successfully all the available wireless networks on start-up, but when i try to connect with one of them, Network-manager ALWAYS display the "connecting..." animated icon and doesn't connect (i can't access to internet and not even to my Access point admin page).
Opening the network-manager menu show the "Disconnect" menu entry (like when you are connected, but you are not connected).
My access point (Digicom Michelangelo wave 150 C) uses wpa2 encryption.
I haven't done no harware modifications (i use the same builtin wireless network card provided by my notebook).
Using the same wireless access point with another notebook (Toshiba Tecra with Ubuntu 14.10) everything is ok.
I have tryed to disconnect/
------ Imortant: -------------------
I have discovered that the "Additional Driver tool" allow to enable/disable an additional driver named "Processor microcode firmware for intel CPU (proprietary)".
I have done a test running a fresh ubuntu 15.04 live cd: i can't connect to wireless, but enabling the above Intel driver i can connect !
Repeating the same test with the installed ubuntu 15.04 i was able to connect only a couple of times (i have tryed to enable/disable the driver after a kernel update from the Ubuntu update manager, but with no result).
Disabling the Intel driver happen the same situation described above (ie: always "trying to connect")
-------
No system crash or other problems are shown.
Here iwconfig output:
wlan0 IEEE 802.11abg ESSID:off/any
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:off
The uname -a output is:
Linux my-pc 3.19.0-22-generic #22-Ubuntu SMP Tue Jun 16 17:14:22 UTC 2015 i686 i686 i686 GNU/Linux
network-manager version installed is: 0.9.10.
Before submitting the bug I have installed all the available updates at 15 july 2015 but the problem persist.
ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: network-manager 0.9.10.
ProcVersionSign
Uname: Linux 3.19.0-22-generic i686
ApportVersion: 2.17.2-0ubuntu1.1
Architecture: i386
CurrentDesktop: Unity
Date: Wed Jul 15 23:57:06 2015
IfupdownConfig:
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
InstallationDate: Installed on 2013-05-26 (780 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release i386 (20130424)
IpRoute:
default via 192.168.1.254 dev eth0 proto static metric 1024
169.254.0.0/16 dev eth0 scope link metric 1000
192.168.1.0/24 dev eth0 proto kernel scope link src 192.168.1.1
NetworkManager.
[main]
NetworkingEnab
WirelessEnable
WWANEnabled=true
WimaxEnabled=true
SourcePackage: network-manager
UpgradeStatus: Upgraded to vivid on 2015-05-14 (62 days ago)
nmcli-con:
NAME UUID TYPE TIMESTAMP TIMESTAMP-REAL AUTOCONNECT READONLY DBUS-PATH ACTIVE DEVICE STATE ACTIVE-PATH
Connessione via cavo 1 f2f696e8-
horizon_net dc7a0ebf-
nmcli-dev:
DEVICE TYPE STATE DBUS-PATH CONNECTION CON-UUID CON-PATH
eth0 ethernet connected /org/freedeskto
wlan0 wifi disconnected /org/freedeskto
lo loopback unmanaged /org/freedeskto
irda0 unknown unmanaged /org/freedeskto
nmcli-nm: Error: command ['nmcli', '-f', 'all', 'nm'] failed with exit code 2: Error: Object 'nm' is unknown, try 'nmcli help'.
summary: |
- ubuntu 15.04 Netowrk-manager doesn't connect with wireless network + ubuntu 15.04 wireless network driver doesn't connect |
description: | updated |
summary: |
- ubuntu 15.04 wireless network driver doesn't connect + ubuntu 15.04 wireless network driver doesn't connect: always "trying to + connect" animation |
description: | updated |
description: | updated |
This bug is filled against the wrong package, "intel-microcode" is only related to CPU microcode, not to wireless card microcode, or drivers...
I do not know to which package this bug should be reassigned.