Wifi problem

I have problem connecting to WiFi
This are the settings witch i need to use.

I put user name and password but when i check No CA is required, network manager is crashing and icon disappear from Notification area.
i need to log out to bring it back.

You use .... (KDE , Mate, other ? 32/64 bit ? Hardware ... )

network manager is crashing

Try run from terminal, this is first step to debug problem.

I am on xfce, NetworkManager Applet 1.2.2
Card Realtek RTL8187 Wireless Adapter driver: rtl8187
i try sudo nm-applet nothing happen.

Probably because nm-applet applet running in taskbar in tray. (maybe kill it wil needed before run command)
this use nmcli
and looks like text tool, http://www.tecmint.com/configure-network-connections-using-nmcli-tool-in-linux/

Check also

If nm-applet is not prompting for a password when connecting to new wifi networks, and is just disconnecting immediately, you may need to install gnome-keyring.

You can also test with other GUI tool https://wiki.archlinux.org/index.php/NetworkManager
For example /usr/bin/nmtui (use Tab key to switch button in terminal)

Here you can also find support for nmcli


$ pidof nm-applet
$ kill -15 831
$ nm-applet

However if you like to kill app you can use gui tool "task manager"

Now nm-applet working from terminal,
try configure network, If something wrong, in terminal should be error.

If not, to debug this app you can use strace command.

  1. http://www.thegeekstuff.com/2011/11/strace-examples/
  2. http://linoxide.com/linux-command/linux-strace-command-examples/
  3. http://hokstad.com/5-simple-ways-to-troubleshoot-using-strace
    Any problem with nm-applet try report to support https://wiki.gnome.org/Projects/NetworkManager
1 Like

Maybe the problem is network-manager-applet and the temporary solution is to downgrade it.
Take a look here:

http://www.upc.ch/en/internet/wi-free/ ?

Run nm-cli from a terminal and see what the error is:

killall nm-applet
1 Like

┌─[[10:32:39@Sun Jun 19 ~]
└─[$ nm-applet
Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged.
Segmentation fault (core dumped)

OK, let's get some more information about your system. Output of inxi -Fx between ``` tags, please, which Manjaro edition you installed, and when you last did a package update.

My ISP give me different settings for connection tipe.
Now i did a new connection with the setting you
provide and everything seams to work fine.
So thank you for your help.

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