no wifi network connectivity, lost after battery low shutdow

Hi, I've searched and read as many posts as I could understand on this problem. I've tried several of the 'fixes' that worked for others but I'm still without the ability to connect. Connect Manager will not start. The wifi icon never loads. I was online quite happily talking via Messenger to my daughter when the Aspire One suddenly went into standby because of low battery. When I got it back, there was no connectivity at all.

On another thread someone mentioned running wifi from the terminal with /usr/bin/nm-applet, when I tried this I got this Warning

** (nm-applet:13822): WARNING **: <WARN> applet_dvus_manager_start_service(): Could not acquire the NetworkManagerSettings service as it is already taken. Return: 3

I'm new to Linux and have no idea what this means or if this helps anyone to identify the problem. Any help at all would be gratefully received.

 

There's a thread going on about network connectivity in which someone has described something which worked for him to get networking back after losing it folowing running out of power. It could be worth trying what is described there: http://www.aspireoneuser.com/forum/viewtopic.php?f=34&t=2620&start=90#p47086

 

Thanks. I checked the auto hide, can't run nm-applet in terminal, tried the suggestion with
" sudo gconftool-2 --recursive-unset /system/networking "
" gconftool-2 --recursive-unset /system/networking

and nothing happened.

Also
su -
password
mv .gconf .gconf.orig
reboot

No result

 

Let's see if network manager is in fact working in some form. In a teminal, do

Code:

ps ax | grep nm

and see what the output is.

 

it says:

2214 ? Ss 0:00 nm-applet --sm-disable
3489 pts/0 S+ 0.00 grep nm

 

Ok, let's see what happens if we terminate it and restart it. Again in the terminal:

Code:

kill -9 2214
nm-applet

Don't close the terminal if it works - the application will die with the terminal if we're not careful.

 

* (nm-applet:13822): WARNING **: <WARN> applet_dbus_manager_start_service(): Could not acquire the NetworkManagerSettings service as it is already taken. Return: 3

followed by

(nm-applet:5928): GLib-CRITICAL ** : g_hash_table_destroy: assertion 'hash_table!=NULL' failed

and another couple of similar messages
I can type them out if you really need them

 

OK, let's try something else.

Code:

service NetWorkManager status

should tell you whether the Network Manager service is running; if it is it will specify a pid (mine says 'NetworkManager (pid 2585) is running'). Using the number given there, do

Code:

kill -9 [b][i]number[/i][/b]
nm-applet

At this point I'm hoping for a different error message, at least!

 

NetworkManager dead but pid file exists

is the message after service NetworkManager status

 

That's novel!

OK, we'll get rid of the pid file and try restarting the network manager. Still in terminal:

Code:

sudo rm /var/run/NetworkManager/NetworkManager.pid
sudo service NetworkManager start

If youy don't get any disturbing message at this point, then try

Code:

nm-applet

and see if we're doing any better now!

 

After sudo service NetworkManager start

i got
Setting network parameters...
Starting NetworkManager daemon: [ok]

I thought this sounded unthreatening so I tried nm-applet

and here we are again:

* (nm-applet:13822): WARNING **: <WARN> applet_dvus_manager_start_service(): Could not acquire the NetworkManagerSettings service as it is already taken. Return: 3

 

I tell a lie. it said


** (nm-applet:5061): etc etc

 

This is not an easy one. One possibility is that something else is trying to connect to NetWork Manager by the time nm-applet does so. Could you send me (or post there) the whole of the output from

Code:

ps ax

 

PID TTY STAT TIME COMMAND
1 ? Ss 0:00 init [5]
2 ? S< 0:00 [kthreadd]
3 ? S< 0:00 [migration/0]
4 ? S< 0:00 [ksoftirqd/0]
5 ? S< 0:00 [migration/1]
6 ? S< 0:00 [ksoftirqd/1]
7 ? S< 0:00 [events/0]
8 ? S< 0:00 [events/1]
9 ? S< 0:00 [khelper]
37 ? S< 0:00 [kblockd/0]
38 ? S< 0:00 [kblockd/1]
41 ? S< 0:00 [kacpid]
42 ? S< 0:00 [kacpi_notify]
164 ? S< 0:00 [ata/0]
165 ? S< 0:00 [ata/1]
166 ? S< 0:00 [ata_aux]
169 ? S< 0:00 [ksuspend_usbd]
175 ? S< 0:00 [khubd]
178 ? S< 0:00 [kseriod]
216 ? S 0:00 [pdflush]
217 ? S 0:00 [pdflush]
218 ? S< 0:00 [kswapd0]
219 ? S< 0:00 [aio/0]
220 ? S< 0:00 [aio/1]
471 ? S< 0:00 [scsi_tgtd/0]
472 ? S< 0:00 [scsi_tgtd/1]
479 ? S< 0:00 [scsi_eh_0]
481 ? S< 0:00 [scsi_eh_1]
502 ? S< 0:00 [kirqd]
528 ? S 0:00 /usr/bin/xinit -- -br
542 tty2 R<s+ 0:02 X :0 -br
555 ? S< 0:00 [kpsmoused]
592 ? Ss 0:00 login -- user
614 ? Ss 0:00 dbus-daemon --system
632 tty1 Ss+ 0:00 -bash
673 tty1 S+ 0:00 /bin/sh /etc/xdg/xfce4/xinitrc
720 tty1 S+ 0:00 /usr/bin/dbus-launch --sh-syntax --exit-with-session
721 ? Ss 0:00 /bin/dbus-daemon --fork --print-pid 4 --print-address
740 ? S<s 0:00 /sbin/udevd -d
742 tty1 S+ 0:00 gnome-keyring-daemon
953 tty1 S+ 0:00 /usr/bin/xfce4-session
1605 tty1 S+ 0:01 /usr/bin/xfdesktop-xfce
1609 ? Ss 0:00 xfce-mcs-manager
1611 ? S 0:00 /usr/libexec/gam_server
1612 ? Ss 0:00 /usr/lib/scim-1.0/scim-launcher -d -c simple -e all -
1615 ? S 0:00 /usr/bin/Thunar --daemon
1623 ? S< 0:00 [kmemstick]
1635 ? S< 0:00 [kmsv1block]
1646 ? S< 0:00 [kxd_card]
1649 ? S 0:00 /usr/sbin/maclesmount listen
1672 ? S< 0:00 [kondemand/0]
1673 ? S< 0:00 [kondemand/1]
1698 ? S< 0:00 [pciehpd]
1715 ? Ss 0:00 /usr/lib/scim-1.0/scim-helper-manager
1716 ? Ssl 0:00 /usr/lib/scim-1.0/scim-panel-gtk --display :0.0 -c so
1718 ? Ss 0:00 /usr/lib/scim-1.0/scim-launcher -d -c socket -e socke
1723 ? S< 0:00 [kmmcd]
1733 tty1 S+ 0:00 xfwm4
1742 ? Ss 0:00 /usr/sbin/acpid
1751 ? Ss 0:00 hald
1752 ? S 0:00 hald-runner
1754 tty1 S+ 0:01 xfce4-panel
1819 tty1 S+ 0:00 /usr/libexec/xfce4/panel-plugins/xfce4-menu-plugin so
1820 tty1 S+ 0:00 /usr/libexec/xfce4/panel-plugins/xfce4-xkb-plugin soc
1823 tty1 S+ 0:00 /usr/libexec/xfce4/panel-plugins/xfce4-mixer-plugin s
1830 ? S< 0:00 [aufsd]
1831 ? S< 0:00 [aufsd]
1832 ? S< 0:00 [aufsd]
1833 ? S< 0:00 [aufsd]
1894 ? S 0:00 hald-addon-input: Listening on /dev/input/event3 /dev
1896 ? S 0:00 /usr/libexec/hald-addon-cpufreq
1897 ? S 0:00 hald-addon-acpi: listening on acpid socket /var/run/a
1927 ? S 0:00 /bin/bash /usr/sbin/jmb38x_d3e.sh
1958 ? S 0:00 sleep 300
2044 ? S< 0:00 [scsi_eh_2]
2045 ? S< 0:00 [usb-storage]
2105 ? Ss 0:00 /bin/sh -e /usr/acer/bin/TaskQueueManager
2113 ? S 0:00 /usr/bin/python -tt /usr/bin/puplet
2119 ? Ss 0:00 python /usr/share/system-config-printer/applet.py
2153 ? Ss 0:00 update-notifier
2204 ? Ss 0:00 nm-applet --sm-disable
2327 ? S 0:00 hald-addon-storage: polling /dev/sdb (every 2 sec)
2369 ? S 0:00 /usr/libexec/gconfd-2 11
2482 ? Sl 0:00 /usr/acer/bin/TaskQueueManagerbin
2541 ? Ssl 0:00 console-kit-daemon
2543 ? S 0:00 python /usr/bin/open-session
2635 ? Ss 0:00 cupsd
2670 ? Ss 0:00 wpa_supplicant -c /etc/wpa_supplicant/wpa_supplicant.
2719 ? Ssl 0:00 /usr/sbin/named -u named -D
2750 ? Ss 0:00 NetworkManagerDispatcher --pid-file=/var/run/NetworkM
2767 ? Ss 0:00 crond
2774 ? S 0:00 /usr/bin/kpowersave
2794 ? S 0:00 /usr/libexec/gconfd-2 11
2795 ? S 0:00 scim-bridge
2816 ? S 0:00 /usr/bin/Terminal
2828 ? Ss 0:00 kdeinit Running...
2832 ? S 0:00 dcopserver --nosid --suicide
2834 ? S 0:00 klauncher [kdeinit]
2840 ? S 0:00 splashd
2853 ? S 0:00 xhkeys
2867 ? S 0:00 kded
2875 ? Ss 0:00 gnome-screensaver
2942 ? S 0:00 gnome-pty-helper
2943 pts/0 Ss 0:00 bash
3104 pts/0 R+ 0:00 ps ax

 

So it looks as though nm-applet is already running, though it started before NetworkManager did. I assume you rebooted before providing that list. Since it's already going, I reckon it's probably what's grabbed the NetworkManager service, so that no new nm-applet can do so.

Try killing the nm-applet and the NetWorkManagerDispatcher processes (kill -9 <number> for each one - the number may be different if you've rebooted again) then do the service NetworkManager start and again try starting nm-applet.

 

I'm posting the whole thing in case I didn't do it correctly.

[user@localhost ~]$ ps ax
PID TTY STAT TIME COMMAND
1 ? Ss 0:00 init [5]
2 ? S< 0:00 [kthreadd]
3 ? S< 0:00 [migration/0]
4 ? S< 0:00 [ksoftirqd/0]
5 ? S< 0:00 [migration/1]
6 ? S< 0:00 [ksoftirqd/1]
7 ? S< 0:00 [events/0]
8 ? S< 0:00 [events/1]
9 ? S< 0:00 [khelper]
37 ? S< 0:00 [kblockd/0]
38 ? S< 0:00 [kblockd/1]
41 ? S< 0:00 [kacpid]
42 ? S< 0:00 [kacpi_notify]
164 ? S< 0:00 [ata/0]
165 ? S< 0:00 [ata/1]
166 ? S< 0:00 [ata_aux]
169 ? S< 0:00 [ksuspend_usbd]
175 ? S< 0:00 [khubd]
178 ? S< 0:00 [kseriod]
216 ? S 0:00 [pdflush]
217 ? S 0:00 [pdflush]
218 ? S< 0:00 [kswapd0]
219 ? S< 0:00 [aio/0]
220 ? S< 0:00 [aio/1]
471 ? S< 0:00 [scsi_tgtd/0]
472 ? S< 0:00 [scsi_tgtd/1]
479 ? S< 0:00 [scsi_eh_0]
481 ? S< 0:00 [scsi_eh_1]
502 ? S< 0:00 [kirqd]
528 ? S 0:00 /usr/bin/xinit -- -br
542 tty2 S<s+ 0:02 X :0 -br
551 ? S< 0:00 [kpsmoused]
592 ? Ss 0:00 login -- user
620 tty1 Ss+ 0:00 -bash
632 ? Ss 0:00 dbus-daemon --system
673 tty1 S+ 0:00 /bin/sh /etc/xdg/xfce4/xinitrc
720 tty1 S+ 0:00 /usr/bin/dbus-launch --sh-syntax --exit-with-session
721 ? Ss 0:00 /bin/dbus-daemon --fork --print-pid 4 --print-address
740 ? S<s 0:00 /sbin/udevd -d
742 tty1 S+ 0:00 gnome-keyring-daemon
744 tty1 S+ 0:00 /usr/bin/xfce4-session
1603 tty1 S+ 0:01 /usr/bin/xfdesktop-xfce
1612 ? Ss 0:00 xfce-mcs-manager
1614 ? S 0:00 /usr/libexec/gam_server
1616 ? S 0:00 /usr/bin/Thunar --daemon
1623 ? S 0:00 /usr/sbin/maclesmount listen
1633 ? S< 0:00 [kmemstick]
1644 ? S< 0:00 [kmsv1block]
1648 ? Ss 0:00 /usr/lib/scim-1.0/scim-launcher -d -c simple -e all -
1656 ? S< 0:00 [kxd_card]
1676 ? S< 0:00 [kondemand/0]
1677 ? S< 0:00 [kondemand/1]
1701 ? S< 0:00 [pciehpd]
1718 ? Ss 0:00 /usr/lib/scim-1.0/scim-helper-manager
1719 ? Ssl 0:00 /usr/lib/scim-1.0/scim-panel-gtk --display :0.0 -c so
1721 ? Ss 0:00 /usr/lib/scim-1.0/scim-launcher -d -c socket -e socke
1726 ? S< 0:00 [kmmcd]
1736 tty1 S+ 0:00 xfwm4
1738 tty1 S+ 0:01 xfce4-panel
1749 ? Ss 0:00 /usr/sbin/acpid
1758 ? Ss 0:00 hald
1759 ? S 0:00 hald-runner
1760 tty1 S+ 0:00 /usr/libexec/xfce4/panel-plugins/xfce4-menu-plugin so
1761 tty1 S+ 0:00 /usr/libexec/xfce4/panel-plugins/xfce4-xkb-plugin soc
1762 tty1 S+ 0:00 /usr/libexec/xfce4/panel-plugins/xfce4-mixer-plugin s
1881 ? S< 0:00 [aufsd]
1882 ? S< 0:00 [aufsd]
1883 ? S< 0:00 [aufsd]
1884 ? S< 0:00 [aufsd]
1897 ? S 0:00 hald-addon-input: Listening on /dev/input/event3 /dev
1912 ? S 0:00 /usr/libexec/hald-addon-cpufreq
1917 ? S 0:00 hald-addon-acpi: listening on acpid socket /var/run/a
1940 ? S 0:00 /bin/bash /usr/sbin/jmb38x_d3e.sh
1971 ? S 0:00 sleep 300
2097 ? Ss 0:00 /bin/sh -e /usr/acer/bin/TaskQueueManager
2105 ? S 0:00 /usr/bin/python -tt /usr/bin/puplet
2110 ? Ss 0:00 python /usr/share/system-config-printer/applet.py
2143 ? Ss 0:00 update-notifier
2190 ? Ss 0:00 nm-applet --sm-disable
2366 ? S 0:00 /usr/libexec/gconfd-2 12
2491 ? Sl 0:00 /usr/acer/bin/TaskQueueManagerbin
2496 ? Ssl 0:00 console-kit-daemon
2498 ? S 0:00 python /usr/bin/open-session
2591 ? Ss 0:00 cupsd
2598 ? Ss 0:00 /usr/bin/xfrun4 --daemon
2635 ? Ss 0:00 wpa_supplicant -c /etc/wpa_supplicant/wpa_supplicant.
2684 ? Ssl 0:00 /usr/sbin/named -u named -D
2715 ? Ss 0:00 NetworkManagerDispatcher --pid-file=/var/run/NetworkM
2742 ? Ss 0:00 crond
2755 ? S 0:00 /usr/bin/kpowersave
2757 ? S 0:00 scim-bridge
2759 ? S 0:00 /usr/libexec/gconfd-2 11
2782 ? Ss 0:00 kdeinit Running...
2786 ? S 0:00 dcopserver --nosid --suicide
2788 ? S 0:00 klauncher [kdeinit]
2790 ? S 0:00 kded
2808 ? S 0:00 splashd
2818 ? S 0:00 xhkeys
2832 ? Ss 0:00 gnome-screensaver
2989 ? R 0:00 /usr/bin/Terminal
3024 ? S 0:00 gnome-pty-helper
3025 pts/0 Ss 0:00 bash
3199 pts/0 R+ 0:00 ps ax
[user@localhost ~]$ kill -9 2190
[user@localhost ~]$ sudo rm /var/run/NetworkManager/NetworkManager.pid
[user@localhost ~]$ sudo service NetworkManager start
Setting network parameters...
Starting NetworkManager daemon: [ OK ]
[user@localhost ~]$ nm-applet

** (nm-applet:5065): WARNING **: Error in get_property: The name org.freedesktop.NetworkManager was not provided by any .service files


** (nm-applet:5065): WARNING **: Error in get_property: The name org.freedesktop.NetworkManager was not provided by any .service files

This at least seems to be a *different* warning. Is that good or bad?
By the way, thank you for devoting so much effort to this. It's deeply appreciated.

 

Hang on, I've just seen what I did wrong myself.
I missed out a killing.

I'll do it again

 

I rebooted and ran afresh.

Second kill provoked this response:

bash: kill (2769) - Operation not permitted

(Would this (ps ax) list be of processes running on the computer at the time of asking? Sorry is it's a stupid question, I'm a complete beginner)

 

ps ax provide a list of all processes (ps), for all users (a), whetehr or not started from a terminal (x). Becasue it lists all processes for all users, you need to become root to kill some of them - you can usually only kill your own processes.

Try doing the second kill with 'sudo' before it.

 

second kill worked with sudo

ran NetworkManager start

** (nm-applet:6077): Warning **: Error in get_property: The name org.freedesktop.NetworkManager was not provided by any .service files

(it says this twice)