USB WiFi works only after cold reboot

[Adrian Chadd]

Ok. so it looks like something is getting wedged at device attach
time. I think avos fixed a few things for returning errors but I don't
think it solves the problem.

can you try updating it to the latest -HEAD and trying again?

Thanks,



-adrian


On 19 November 2015 at 20:57, Serge Voilokov <serge0x76 at gmail.com> wrote:
> Realtek:
>
> urtwn0: <vendor 0x7392 product 0x7811, class 0/0, rev 2.00/2.00, addr
> 2> on usbus0
> urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R
>
> From:
> https://www.adafruit.com/products/814
>
>
> On Thu, Nov 19, 2015 at 11:36 PM, Adrian Chadd <adrian.chadd at gmail.com> wrote:
>> It looks like it's reading some invalid data via the EEPROM. I've seen
>> it do it yet and I haven't sat down to figure it out.
>>
>> Which device is it?
>>
>>
>> -a
>>
>>
>> On 19 November 2015 at 19:56, Serge Voilokov <serge0x76 at gmail.com> wrote:
>>> Hi,
>>>
>>> I have a problem on Raspberry PI-A with Realtek WiFi adapter.
>>> After reboot on watchdog or kernel panic wifi doesn't init properly.
>>> Sometimes wlan0 is not created, sometimes ethernet address is
>>> ff:ff:ff:ff:ff:ff, firmware loading errors, etc.
>>>
>>> After cold reboot it works file.
>>>
>>> How can I avoid the cold reboot?
>>> Now on boot I do several attempts of 'usbconfig reset' until wifi
>>> starts working.
>>> It doesn't seem reliable.
>>> Is the other way to make cold reset of usb and/or wifi without rebooting the OS?
>>>
>>> Thanks,
>>> --serge
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