[laptop-discuss] Successfull install of iwk driver on ThinkpadT61p

[Brian Xu - Sun Microsystems - Beijing China]

Krishna, Geetanjali 写道:
>>> While the interface is up and running, if I turn off the transceiver,
>>> I get:
>>> Nov  6 22:40:39 vega iwk: NOTICE: iwk: Radio transmitter is off
>>> Turning it on again, I get:
>>> Nov  6 22:40:44 vega iwk: WARNING: iwk_config(): failed to set power
>>>       
> mode
>   
>>> Nov  6 22:40:44 vega iwk: WARNING: iwk_init(): failed to configure
>>>       
> device
>   
>>> But despite the error messages, sometimes the interface is running
>>>       
> fine,
>   
>>> sometimes it doesn't come back. It's still plumbed, but wificonfig
>>>       
> scan
>   
>>> doesn't return.
>>>
>>>
>>>       
>> For now, I think if you switch off and on the radio quickly, it will
>> recover. If you switch off and wait for a while and then switch on
>> again, probably it can not recover.
>> I will do more investigation and try to fix this.
>>     
>
> Brian,
>
> What I found was that the wificonfig scan worked even if the switch is
> off for a while and then switched on. The response time is slower
> though. However, the wificonfig connect fails after this. 
>   
In this case, wificonfig doesn't not refresh the scan result table. It
returns the old result.

This should be a bug of the driver.

Thanks,
Brian
> -Geeta
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