[aklug] Re: Acer Aspire One D250 Wireless problems

You might consider a much newer kernel from:
http://kernel.ubuntu.com/~kernel-ppa/mainline/

On 11/25/2014 03:16 PM, Tim Johnson wrote:
> 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

-- 
josh reynolds :: chief information officer
spitwspots :: www.spitwspots.com
---------
To unsubscribe, send email to <aklug-request@aklug.org>
with 'unsubscribe' in the message body.