nm-applet invisible (no icon)

[mp035]

Hello All,

I have xubuntu installed on an asus eee pc r101d. Everything except the wifi switch (Fn-F2) was working. Whilst at an airport waiting to get on a plane, I decided to manually switch off the wifi radio from the command line by using

sudo echo -n 0 >> /sys/class/rfkill/rfkill0/state

The wifi radio switched off and the nm-applet icon disappeared.

Interestingly the /sys/class/rfkill directory had 4 subdirectories originally (rfkill0 rfkill1 rfkill2 rfkill3) but immediately after issuing the above command, rfkill0 disappeared.

After rebooting the netbook, the Fn-f2 radio switch now works, there are only 3 rfkill subdirectories (rfkill0 rfkill1 rfkill2) and the nm-applet is present in the notification area (I know this because I can click the empty space) but it does not have an icon, it is, I guess, invisible.

Does any one know how to re-set the icons for nm-applet on xubuntu?

[mp035]

Bump...... Anyone?
Cheers.

[Toz]

What does:

rfkill list

return?

[mp035]

Hi Toz,

Thanks for the reply.

mp035@eeepc:~$ rfkill list
0: eeepc-wlan: Wireless LAN
	Soft blocked: no
	Hard blocked: no
1: eeepc-bluetooth: Bluetooth
	Soft blocked: yes
	Hard blocked: no
2: phy0: Wireless LAN
	Soft blocked: no
	Hard blocked: no
mp035@eeepc:~$

Any clues there?

Cheers,
Mark.

[Toz]

Hmmm, looks okay. Did you change icon themes? It's possible the new icon theme doesn't have a corresponding icon.

You can also try restarting network manager and nm-applet:

killall nm-applet
sudo service network-manager restart
nm-applet &

This will force nm-applet to update the icon.

[mp035]

Thanks Toz.

No theme change, ever. Still running the stock xubuntu 11.04 theme.

I restarted the nm-applet one more time using your commands verbatim.

No luck

Any thing else you can think of?

[Toz]

Lets see if its generating any errors. In a terminal window, can you run these commands and post back the results:

cat ~/.xsession-errors | grep -i nm-applet
cat ~/.xsession-errors.old | grep -i nm-applet

You can also try removing the notification applet from the panel and then re-adding it.

And, is NetworkManager running?

sudo service network-manager status

[mp035]

Thanks for all of your help Toz.

I think this may be a bug in xfce or nm-applet.
After doing a complete reinstall, the icon was back. After re-applying my xfce setttings which I backed up from ~/.config/xfce4, the icon disappeared again.

After some fiddling around, I found that if I had the notification area in an horizontal panel the icon was visible, but if I had it in a vertical panel it would disappear.

I ran your commands regardless, in case you can glean from them which package I should be reporting the bug in.

mark@eeepc:~$ cat ~/.xsession-errors | grep -i nm-applet
** (nm-applet:2678): DEBUG: old state indicates that this was not a disconnect 0
** (nm-applet:2678): DEBUG: foo_client_state_changed_cb
** (nm-applet:2678): DEBUG: foo_client_state_changed_cb
mark@eeepc:~$ cat ~/.xsession-errors.old | grep -i nm-applet
** (nm-applet:2183): DEBUG: old state indicates that this was not a disconnect 0
** (nm-applet:2183): DEBUG: foo_client_state_changed_cb
** (nm-applet:2183): DEBUG: foo_client_state_changed_cb
nm-applet: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.0.
mark@eeepc:~$ sudo service network-manager status
[sudo] password for mark: 
network-manager start/running, process 708
mark@eeepc:~$

[Toz]

It appears that this is a known bug and was fixed in 0.2.0-0ubuntu4.1

See: https://bugs.launchpad.net/ubuntu/+s...in/+bug/787977

What version do you have:

apt-cache policy xfce4-indicator-plugin

[itagomo]

http://ubuntuforums.org/showthread.php?t=628814

a workaround from this post says that you just need to add notification area to the panel to show NetworkManager

right click Panel
select Add new Items
choose Notification Area
and a pop up will appear for you to check the box for Networkmanager Applet
just press OK then