[aklug] Acer Aspire One D250 Wireless problems

From: Tim Johnson <tim@akwebsoft.com>
Date: Tue Nov 25 2014 - 15:16:08 AKST

I've got a "rescue netbook" here bequeathed by one of my 'kids' for
my wife's use when she travels.

When my daughter had it she used windows 7 and told me that the
wireless was entirely reliable.

I put lubunt 41.04 on it and had problems with the wireless
connection being unreliable - one time I might have a wireless
connection and see wlan0 in ifconfig and the next it would be gone,
wlan0 would be gone from ifconfig.

In such a case I would plug in ethernet, get a connection and then
when I rebooted the netbook, wlan0 would be visible and so would
wireless connections.

I then reinstalled with xubuntu 12.04. As with lubuntu, xubuntu
found wireless without any problem and connect successfully. I
immediately ran the script available here :
http://dl.dropbox.com/u/57264241/wireless_script
and stored the output.
You can see that output at
http://akwebsoft.com/clients/transfer/wireless-info_initial_install.txt

Later, I found the same problem as in lubuntu, wireless connections
were not visible in Network Manager wlan0 was absent from ifconfig.

I then ran wireless_script again and saved the output at
http://akwebsoft.com/clients/transfer/wireless-info_after_reboot.txt

I have also syslog excerpts from that session and those excerpts
follow
[code]
Nov 23 14:52:34 asp NetworkManager[928]: <info> found WiFi radio killswitch rfkill2 (at /sys/devices/pci0000:00/0000:00:1c.0/0000:01:00.0/ieee80211/phy0/rfkill2) (driver (unknown))
Nov 23 14:52:34 asp NetworkManager[928]: <info> found WiFi radio killswitch rfkill0 (at /sys/devices/platform/acer-wmi/rfkill/rfkill0) (driver acer-wmi)
Nov 23 14:52:34 asp NetworkManager[928]: <info> WiFi enabled by radio killswitch; enabled by state file
Nov 23 14:52:34 asp NetworkManager[928]: <info> WWAN enabled by radio killswitch; enabled by state file
Nov 23 14:52:34 asp NetworkManager[928]: <info> WiMAX enabled by radio killswitch; enabled by state file
Nov 23 14:52:34 asp NetworkManager[928]: <info> Networking is enabled by state file
Nov 23 14:52:34 asp NetworkManager[928]: <info> (wlan0): using nl80211 for WiFi device control
....
Nov 23 14:52:34 asp NetworkManager[928]: <info> found WiFi radio killswitch rfkill2 (at /sys/devices/pci0000:00/0000:00:1c.0/0000:01:00.0/ieee80211/phy0/rfkill2) (driver (unknown))
Nov 23 14:52:34 asp NetworkManager[928]: <info> found WiFi radio killswitch rfkill0 (at /sys/devices/platform/acer-wmi/rfkill/rfkill0) (driver acer-wmi)
Nov 23 14:52:34 asp NetworkManager[928]: <info> WiFi enabled by radio killswitch; enabled by state file
Nov 23 14:52:34 asp NetworkManager[928]: <info> WWAN enabled by radio killswitch; enabled by state file
Nov 23 14:52:34 asp NetworkManager[928]: <info> WiMAX enabled by radio killswitch; enabled by state file
Nov 23 14:52:34 asp NetworkManager[928]: <info> Networking is enabled by state file
Nov 23 14:52:34 asp NetworkManager[928]: <info> (wlan0): using nl80211 for WiFi device control
Nov 23 14:52:34 asp kernel: [ 19.778319] ADDRCONF(NETDEV_UP): wlan0: link is not ready
Nov 23 14:52:34 asp kernel: [ 19.779941] ADDRCONF(NETDEV_UP): wlan0: link is not ready
...
Nov 23 15:09:08 asp NetworkManager[881]: SCPlugin-Ifupdown: devices added (path: /sys/devices/pci0000:00/0000:00:1c.0/0000:01:00.0/net/wlan0, iface: wlan0)
Nov 23 15:09:08 asp NetworkManager[881]: SCPlugin-Ifupdown: device added (path: /sys/devices/pci0000:00/0000:00:1c.0/0000:01:00.0/net/wlan0, iface: wlan0): no ifupdown configuration found.
...
Nov 23 15:09:08 asp NetworkManager[881]: <info> (wlan0): using nl80211 for WiFi device control
Nov 23 15:09:08 asp NetworkManager[881]: <warn> (wlan0): driver supports Access Point (AP) mode
Nov 23 15:09:08 asp NetworkManager[881]: <info> (wlan0): new 802.11 WiFi device (driver: 'ath5k' ifindex: 3)
Nov 23 15:09:08 asp NetworkManager[881]: <info> (wlan0): exported as /org/freedesktop/NetworkManager/Devices/0
Nov 23 15:09:08 asp NetworkManager[881]: <info> (wlan0): now managed
Nov 23 15:09:08 asp NetworkManager[881]: <info> (wlan0): device state change: unmanaged -> unavailable (reason 'managed') [10 20 2]
Nov 23 15:09:08 asp NetworkManager[881]: <info> (wlan0): bringing up device.
Nov 23 15:09:08 asp acpid: 35 rules loaded
Nov 23 15:09:08 asp acpid: waiting for events: event logging is off
Nov 23 15:09:08 asp NetworkManager[881]: <info> (wlan0): preparing device.
Nov 23 15:09:08 asp NetworkManager[881]: <info> (wlan0): deactivating device (reason 'managed') [2]
Nov 23 15:09:08 asp kernel: [ 21.449849] ADDRCONF(NETDEV_UP): wlan0: link is not ready
Nov 23 15:09:08 asp kernel: [ 21.451648] ADDRCONF(NETDEV_UP): wlan0: link is not ready
[/code]
I haven't had any luck from posting to ubuntu forums and
askubuntu.com is not accepting my question :(

I did find the following reference to the AR542x Wireless Network
Adapter at the following site :
http://ubuntuforums.org/showthread.php?t=2160177
And preformed the remedy suggested at the reply which you can find
by doings a search on "try to deactivate".

I've done a couple of reboots and at first, I was getting wireless
and it is gone again. This is very frustrating as it will drive my
wife nuts!

I know that there are folks on this list who can analyze the data
and probably suggest the solution and I hope that one of your will
have the time.

thanks
tim

-- 
Tim 
tim at tee jay forty nine dot com or akwebsoft dot com
http://www.akwebsoft.com, http://www.tj49.com
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Received on Tue Nov 25 15:16:39 2014

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