On 03/13/2013 02:54 AM, Pat Riehecky wrote:
> On 03/12/2013 05:45 AM, Steven Haigh wrote:
>> On 12/03/13 21:03, Steven Haigh wrote:
>>> Hi all,
>>>
>>> I've been trying to figure out the cause of this... It seems I'll be
>>> using the wifi without issue, then NetworkManager will indicate that it
>>> is reconnecting. It seems to happen randomly with no real pattern.
>>>
>>> iw events -t shows:
>>> 4b:d6:98:14:48 -> 00:0f:66:c5:2d:6b reason 3: Deauthenticated because
>>> sending station is leaving (or has left) the IBSS or ESS
>>> 1363082116.240481: wlan0 (phy #0): disconnected (local request)
>>> ....
>>> 1363082122.323703: wlan0 (phy #0): auth 00:0f:66:c5:2d:6b ->
>>> 1c:4b:d6:98:14:48 status: 0: Successful
>>> 1363082122.344295: wlan0 (phy #0): assoc 00:0f:66:c5:2d:6b ->
>>> 1c:4b:d6:98:14:48 status: 0: Successful
>>> 1363082122.347571: wlan0 (phy #0): connected to 00:0f:66:c5:2d:6b
>>>
>>> Interestingly, I've only had this problem under linux. The access point
>>> is stable and works fine with the same card under Windows 7 - as well as
>>> our smart phones etc etc. The access point hasn't changed in a number of
>>> years (4+).
>>>
>>> At the moment, I'm using the kernel-ml from elrepo until I can get the
>>> eeepc module re-enabled for 64 bit kernels from our wondering upstream
>>> provider. (Battery life dies to about 3.5 hours instead of 5+ with it!)
>>>
>>> I've tried 'iwconfig wlan0 power off' to disable power management from
>>> the wifi adapter, but the dropouts still seem to randomly happen. The AP
>>> is secured with WPA2-PSK (AES+TKIP) - not sure if that makes a
>>> difference...
>>>
>>> Does anyone have any thoughts in troubleshooting this?
>>>
>>
>> I should note as well that I added the following to a new file called
>> /etc/modprobe.d/wireless.conf:
>> options ath9k nohwcrypt=1
>>
>> This doesn't seem to have made a difference.
>>
>
> I've got one of these at home and I see similar behavior - it drops out
> rather often.  I've not found a fix...

Dang! Its rather annoying to say the least. I've even tried kernel 3.8.2 
(which has the eeepc_laptop module included in the 64 bit kernel.

Might have to do some more research....

-- 
Steven Haigh

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