Re: TP-LINK USB no carrier after speed test

From: Hans Petter Selasky <hps_at_selasky.org>
Date: Fri, 16 Sep 2022 06:20:59 UTC
On 9/15/22 17:36, Ivan Quitschal wrote:
> 
> 
> On Thu, 15 Sep 2022, Ivan Quitschal wrote:
> 
>>
>>
>> On Thu, 15 Sep 2022, Hans Petter Selasky wrote:
>>
>>> On 9/15/22 17:18, Hans Petter Selasky wrote:
>>>> On 9/15/22 17:16, Ivan Quitschal wrote:
>>>>>
>>>>> Hi All
>>>>>
>>>>> Does anybody have any idea what could be happening here?.
>>>>> I have a laptop DELL INSPIRON 3511 and everything works just fine, 
>>>>> literally everything. even the iwlwifi0.
>>>>>
>>>>> But in order to use my full 600mbps, i dont use the wireless but a 
>>>>> TP-LINK USB ethernet connected on "ue0"
>>>>>
>>>>> ugen0.6: <TP-Link USB 10/100/1000 LAN> at usbus0, cfg=0 md=HOST 
>>>>> spd=HIGH (480Mbps) pwr=ON (200mA)
>>>>>
>>>>>
>>>>> but something really strange is happening .. everytime i open the 
>>>>> chromium e do a speedtest (could be speedtest.net or any other) , 
>>>>> at the end of the test the eth interface dies .. it changes from 
>>>>> full-duplex to half-duplex/no carrier and the only way to get the 
>>>>> internet back thru ue0 is by rebooting the whole thing.
>>>>> not even a "service netif restart" does anything
>>>>>
>>>>> if anyone has any ideas why is that , would be appreciated
>>>>>
>>>>
>>>> Hi,
>>>>
>>>> I think it some new features they use in the USB data protocol which 
>>>> we don't support. Check the Linux code.
>>>>
>>>> Between does:
>>>>
>>>> usbconfig -d 0.6 reset
>>>>
>>>> recover the device?
>>>>
>>>> --HPS
>>>>
>>>
>>> Hi,
>>>
>>> Search for axge on bugzilla:
>>>
>>> I suspect you are using this chipset:
>>>
>>> Try:
>>>
>>> usbconfig show_ifdrv
>>>
>>> To know for sure.
>>>
>>> Also see:
>>>
>>> https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbugs.freebsd.org%2Fbugzilla%2Fshow_bug.cgi%3Fid%3D210488&amp;data=05%7C01%7C%7Ce7f888b3635f4e898ca308da972fa69b%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637988528164303655%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&amp;sdata=zvw7m8lJ%2FHocK%2FXJIDfdPv%2FArCpE5pk9lYz%2BY8WzMCc%3D&amp;reserved=0 
>>>
>>>
>>> --HPS
>>>
>>
>>
>> Hi Hans,
>>
>> actually the driver i use is not agxe (i thought it would be by the 
>> time i
>> bought the usbcard)
>>
>> this is the module im using
>>
>> if_ure.ko
>>
>> and thank you , yes, reseting the usb entry with your command worked 
>> just fine.
>> i got the internet back after doing this
>>
>> usbconfig -d 0.6 reset
>>
>> do we have a bug here then?
>>
>> thank you
>>
>> --tzk
>>
> 
> oh, i forgot to mention that the ure driver freezes not during the 
> download test but in the middle of the upload, always
> 
> dont know if that helps
> 
> thanks
> 
> --tzk

Hi Ivan,

Yes, there seems to be problem there. I need to look at the driver. 
Maybe it is simply sending too much data, than the device can handle!

--HPS