Re: TP-LINK USB no carrier after speed test
Date: Fri, 16 Sep 2022 12:18:39 UTC
On Fri, 16 Sep 2022, Hans Petter Selasky wrote: > On 9/16/22 08:34, Hans Petter Selasky wrote: >> On 9/16/22 08:20, Hans Petter Selasky wrote: >>> 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&data=05%7C01%7C%7C266a987745fc4f2d0b9008da97ae1d13%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637989071335334015%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=zKuhXtYc%2FG3qpRtU%2FZNr5uEeQARsGudcWIlC1bVOsLE%3D&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 >>> >> >> Hi, >> >> Try lowering this constant to 8192: >> >> sys/dev/usb/net/if_urereg.h:#define URE_TX_BUFSZ 16384 >> >> Then recompile and install if_ure: >> >> make -C sys/modules/usb/ure KMODDIR=/boot/kernel all install >> >> --HPS >> > > You can also try other values, like subtracting one. > > --HPS > hi Hans, it worked but with a cost. i tried 8192 and it works 5 tests (5 speed tests in a row). freezes on the 6th. then i tried 4096 no success then i tried bufsize 2048 and its working now, i did several tests in a row and the internet keeps working just fine. but i noticed that the speed also dropped. with the same server , testing on windows, it goes like: 600 download / 300 upload and on freebsd with 2048 bufsiz it goes like: 300 download / 150 upload so it worked with a cost like i said, i had to give up half of my bandwitch what do you think ? and thank you again --tzk