[10937.040121] usb 6-1: new full-speed USB device number 2 using uhci_hcd
[10937.168196] usb 6-1: device descriptor read/64, error -71
[10937.404135] usb 6-1: device descriptor read/64, error -71
[10937.632091] usb 6-1: new full-speed USB device number 3 using uhci_hcd
[10937.801192] usb 6-1: unable to read config index 0 descriptor/all
[10937.801202] usb 6-1: can't read configurations, error -71
[10937.920151] usb 6-1: new full-speed USB device number 4 using uhci_hcd
[10937.955179] usb 6-1: device descriptor read/8, error -71
[10938.091210] usb 6-1: device descriptor read/8, error -71
[10938.316193] usb 6-1: new full-speed USB device number 5 using uhci_hcd
[10938.375226] usb 6-1: New USB device found, idVendor=1a86, idProduct=7523
[10938.375235] usb 6-1: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[10938.375242] usb 6-1: Product: USB2.0-Serial
[10938.439646] usbcore: registered new interface driver usbserial
[10938.439665] usbcore: registered new interface driver usbserial_generic
[10938.439680] usbserial: USB Serial support registered for generic
[10938.440098] usb usb6-port1: disabled by hub (EMI?), re-enabling...
[10938.440105] usb 6-1: USB disconnect, device number 5
[10938.451232] usbcore: registered new interface driver ch341
[10938.451251] usbserial: USB Serial support registered for ch341-uart
[10938.704179] usb 6-1: new full-speed USB device number 6 using uhci_hcd
[10938.832075] usb 6-1: device descriptor read/64, error -71
[10939.068184] usb 6-1: device descriptor read/64, error -71
[10939.296119] usb 6-1: new full-speed USB device number 7 using uhci_hcd
[10939.832191] usb 6-1: device not accepting address 7, error -71
[10939.952158] usb 6-1: new full-speed USB device number 8 using uhci_hcd
[10940.015196] usb 6-1: New USB device found, idVendor=1a86, idProduct=7523
[10940.015201] usb 6-1: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[10940.015205] usb 6-1: Product: USB2.0-Serial
[10940.019623] ch341 6-1:1.0: ch341-uart converter detected
[10940.025353] usb 6-1: ch341-uart converter now attached to ttyUSB0
[10940.176173] usb usb6-port1: disabled by hub (EMI?), re-enabling...
[10940.176195] usb 6-1: USB disconnect, device number 8
[10940.176742] ch341-uart ttyUSB0: ch341-uart converter now disconnected from ttyUSB0
[10940.176780] ch341 6-1:1.0: device disconnected
[10940.444149] usb 6-1: new full-speed USB device number 9 using uhci_hcd
[10940.621185] usb 6-1: New USB device found, idVendor=1a86, idProduct=7523
[10940.621193] usb 6-1: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[10940.621199] usb 6-1: Product: USB2.0-Serial
[10940.625581] ch341 6-1:1.0: ch341-uart converter detected
[10940.631343] usb 6-1: ch341-uart converter now attached to ttyUSB0
[10940.920272] usb usb6-port1: disabled by hub (EMI?), re-enabling...
[10940.920291] usb 6-1: USB disconnect, device number 9
[10940.920848] ch341-uart ttyUSB0: ch341-uart converter now disconnected from ttyUSB0
[10940.920885] ch341 6-1:1.0: device disconnected
[10941.188191] usb 6-1: new full-speed USB device number 10 using uhci_hcd
[10941.316149] usb 6-1: device descriptor read/64, error -71
[10941.598219] usb 6-1: New USB device found, idVendor=1a86, idProduct=7523
[10941.598227] usb 6-1: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[10941.598233] usb 6-1: Product: USB2.0-Serial
[10941.602819] ch341 6-1:1.0: ch341-uart converter detected
[10941.608330] usb 6-1: ch341-uart converter now attached to ttyUSB0
[10941.664180] usb usb6-port1: disabled by hub (EMI?), re-enabling...
[10941.664192] usb 6-1: USB disconnect, device number 10
[10941.664475] ch341-uart ttyUSB0: ch341-uart converter now disconnected from ttyUSB0
[10941.664491] ch341 6-1:1.0: device disconnected
[10941.932163] usb 6-1: new full-speed USB device number 11 using uhci_hcd
[10942.109210] usb 6-1: New USB device found, idVendor=1a86, idProduct=7523
[10942.109215] usb 6-1: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[10942.109219] usb 6-1: Product: USB2.0-Serial
[10942.112777] ch341 6-1:1.0: ch341-uart converter detected
[10942.118282] usb 6-1: ch341-uart converter now attached to ttyUSB0
[10942.164231] usb usb6-port1: disabled by hub (EMI?), re-enabling...
[10942.164247] usb 6-1: USB disconnect, device number 11
[10942.164503] ch341-uart ttyUSB0: ch341-uart converter now disconnected from ttyUSB0
[10942.164519] ch341 6-1:1.0: device disconnected
[10942.432071] usb 6-1: new full-speed USB device number 12 using uhci_hcd
[10942.605205] usb 6-1: New USB device found, idVendor=1a86, idProduct=7523
[10942.605213] usb 6-1: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[10942.605218] usb 6-1: Product: USB2.0-Serial
[10942.610659] ch341 6-1:1.0: ch341-uart converter detected
[10942.616327] usb 6-1: ch341-uart converter now attached to ttyUSB0
[10943.152256] usb usb6-port1: disabled by hub (EMI?), re-enabling...
[10943.152277] usb 6-1: USB disconnect, device number 12
[10943.152825] ch341-uart ttyUSB0: ch341-uart converter now disconnected from ttyUSB0
[10943.152864] ch341 6-1:1.0: device disconnected
[10943.416191] usb 6-1: new full-speed USB device number 13 using uhci_hcd
[10943.593197] usb 6-1: New USB device found, idVendor=1a86, idProduct=7523
[10943.593202] usb 6-1: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[10943.593205] usb 6-1: Product: USB2.0-Serial
[10943.597316] ch341 6-1:1.0: ch341-uart converter detected
[10943.602172] usb 6-1: failed to send control message: -71
[10943.602184] ch341-uart: probe of ttyUSB0 failed with error -71
[10943.648151] usb usb6-port1: disabled by hub (EMI?), re-enabling...
[10943.648163] usb 6-1: USB disconnect, device number 13
[10943.648376] ch341 6-1:1.0: device disconnected
[10943.912141] usb 6-1: new full-speed USB device number 14 using uhci_hcd
[10944.664132] usb 6-1: device not accepting address 14, error -71
[10944.784172] usb 6-1: new full-speed USB device number 15 using uhci_hcd
[10944.916183] usb 6-1: device descriptor read/64, error -71
[10945.198220] usb 6-1: New USB device found, idVendor=1a86, idProduct=7523
[10945.198228] usb 6-1: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[10945.198234] usb 6-1: Product: USB2.0-Serial
[10945.202484] ch341 6-1:1.0: ch341-uart converter detected
[10945.205182] usb 6-1: failed to send control message: -71
[10945.205196] ch341-uart: probe of ttyUSB0 failed with error -71
[10945.205371] usb usb6-port1: disabled by hub (EMI?), re-enabling...
[10945.205379] usb 6-1: USB disconnect, device number 15
[10945.205566] ch341 6-1:1.0: device disconnected
[10945.468133] usb 6-1: new full-speed USB device number 16 using uhci_hcd
[10945.645212] usb 6-1: New USB device found, idVendor=1a86, idProduct=7523
[10945.645219] usb 6-1: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[10945.645225] usb 6-1: Product: USB2.0-Serial
[10945.647308] ch341 6-1:1.0: ch341-uart converter detected
[10945.653317] usb 6-1: ch341-uart converter now attached to ttyUSB0
[10946.872243] usb usb6-port1: disabled by hub (EMI?), re-enabling...
[10946.872262] usb 6-1: USB disconnect, device number 16
[10946.872811] ch341-uart ttyUSB0: ch341-uart converter now disconnected from ttyUSB0
[10946.872847] ch341 6-1:1.0: device disconnected
[10947.344103] usb 6-1: new full-speed USB device number 17 using uhci_hcd
[10947.726193] usb 6-1: New USB device found, idVendor=1a86, idProduct=7523
[10947.726198] usb 6-1: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[10947.726202] usb 6-1: Product: USB2.0-Serial
[10947.730505] ch341 6-1:1.0: ch341-uart converter detected
[10947.736306] usb 6-1: ch341-uart converter now attached to ttyUSB0
[10949.352187] usb usb6-port1: disabled by hub (EMI?), re-enabling...
[10949.352198] usb 6-1: USB disconnect, device number 17
[10949.352510] ch341-uart ttyUSB0: ch341-uart converter now disconnected from ttyUSB0
[10949.352530] ch341 6-1:1.0: device disconnected
[10949.620144] usb 6-1: new full-speed USB device number 18 using uhci_hcd
[10949.798219] usb 6-1: New USB device found, idVendor=1a86, idProduct=7523
[10949.798228] usb 6-1: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[10949.798233] usb 6-1: Product: USB2.0-Serial
[10949.802404] ch341 6-1:1.0: ch341-uart converter detected
[10949.808343] usb 6-1: ch341-uart converter now attached to ttyUSB0
[10949.848136] usb usb6-port1: disabled by hub (EMI?), re-enabling...
[10949.848146] usb 6-1: USB disconnect, device number 18
[10949.848443] ch341-uart ttyUSB0: ch341-uart converter now disconnected from ttyUSB0
[10949.848462] ch341 6-1:1.0: device disconnected
[10950.116066] usb 6-1: new full-speed USB device number 19 using uhci_hcd
[10950.290204] usb 6-1: New USB device found, idVendor=1a86, idProduct=7523
[10950.290213] usb 6-1: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[10950.290219] usb 6-1: Product: USB2.0-Serial
[10950.293400] ch341 6-1:1.0: ch341-uart converter detected
[10950.299333] usb 6-1: ch341-uart converter now attached to ttyUSB0
[10950.344204] usb usb6-port1: disabled by hub (EMI?), re-enabling...
[10950.344214] usb 6-1: USB disconnect, device number 19
[10950.344485] ch341-uart ttyUSB0: ch341-uart converter now disconnected from ttyUSB0
[10950.344503] ch341 6-1:1.0: device disconnected
[10950.608128] usb 6-1: new full-speed USB device number 20 using uhci_hcd
[10950.786205] usb 6-1: New USB device found, idVendor=1a86, idProduct=7523
[10950.786213] usb 6-1: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[10950.786219] usb 6-1: Product: USB2.0-Serial
[10950.790478] ch341 6-1:1.0: ch341-uart converter detected
[10950.793179] usb 6-1: failed to send control message: -71
[10950.793196] ch341-uart: probe of ttyUSB0 failed with error -71
[10950.840173] usb usb6-port1: disabled by hub (EMI?), re-enabling...
[10950.840183] usb 6-1: USB disconnect, device number 20
[10950.840358] ch341 6-1:1.0: device disconnected
[10951.312192] usb 6-1: new full-speed USB device number 21 using uhci_hcd
[10951.490190] usb 6-1: New USB device found, idVendor=1a86, idProduct=7523
[10951.490195] usb 6-1: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[10951.490199] usb 6-1: Product: USB2.0-Serial
[10951.495006] ch341 6-1:1.0: ch341-uart converter detected
[10951.500305] usb 6-1: ch341-uart converter now attached to ttyUSB0
[10951.832246] usb usb6-port1: disabled by hub (EMI?), re-enabling...
[10951.832265] usb 6-1: USB disconnect, device number 21
[10951.832801] ch341-uart ttyUSB0: ch341-uart converter now disconnected from ttyUSB0
[10951.832837] ch341 6-1:1.0: device disconnected
[10952.100145] usb 6-1: new full-speed USB device number 22 using uhci_hcd
[10952.644148] usb 6-1: device not accepting address 22, error -71
[10952.764158] usb 6-1: new full-speed USB device number 23 using uhci_hcd
[10952.923186] usb 6-1: device descriptor read/all, error -71
[10953.044185] usb 6-1: new full-speed USB device number 24 using uhci_hcd
[10953.104189] usb 6-1: New USB device found, idVendor=1a86, idProduct=7523
[10953.104196] usb 6-1: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[10953.104200] usb 6-1: Product: USB2.0-Serial
[10953.108626] ch341 6-1:1.0: ch341-uart converter detected
[10953.114413] usb 6-1: ch341-uart converter now attached to ttyUSB0
[10954.808109] usb usb6-port1: disabled by hub (EMI?), re-enabling...
[10954.808120] usb 6-1: USB disconnect, device number 24
[10954.808415] ch341-uart ttyUSB0: ch341-uart converter now disconnected from ttyUSB0
[10954.808434] ch341 6-1:1.0: device disconnected
[10955.072122] usb 6-1: new full-speed USB device number 25 using uhci_hcd
[10955.200159] usb 6-1: device descriptor read/64, error -71
[10955.483225] usb 6-1: New USB device found, idVendor=1a86, idProduct=7523
[10955.483234] usb 6-1: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[10955.483239] usb 6-1: Product: USB2.0-Serial
[10955.486303] ch341 6-1:1.0: ch341-uart converter detected
[10955.492320] usb 6-1: ch341-uart converter now attached to ttyUSB0
[10957.784248] usb usb6-port1: disabled by hub (EMI?), re-enabling...
[10957.784268] usb 6-1: USB disconnect, device number 25
[10957.784819] ch341-uart ttyUSB0: ch341-uart converter now disconnected from ttyUSB0
[10957.784857] ch341 6-1:1.0: device disconnected
[10958.048160] usb 6-1: new full-speed USB device number 26 using uhci_hcd
[10958.226213] usb 6-1: New USB device found, idVendor=1a86, idProduct=7523
[10958.226222] usb 6-1: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[10958.226227] usb 6-1: Product: USB2.0-Serial
[10958.231622] ch341 6-1:1.0: ch341-uart converter detected
[10958.237298] usb 6-1: ch341-uart converter now attached to ttyUSB0
[10958.280122] usb usb6-port1: disabled by hub (EMI?), re-enabling...
[10958.280132] usb 6-1: USB disconnect, device number 26
[10958.280411] ch341-uart ttyUSB0: ch341-uart converter now disconnected from ttyUSB0
[10958.280431] ch341 6-1:1.0: device disconnected
[10958.548194] usb 6-1: new full-speed USB device number 27 using uhci_hcd
[10958.726216] usb 6-1: New USB device found, idVendor=1a86, idProduct=7523
[10958.726225] usb 6-1: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[10958.726230] usb 6-1: Product: USB2.0-Serial
[10958.731592] ch341 6-1:1.0: ch341-uart converter detected
[10958.737309] usb 6-1: ch341-uart converter now attached to ttyUSB0
[10961.008132] usb usb6-port1: disabled by hub (EMI?), re-enabling...
[10961.008144] usb 6-1: USB disconnect, device number 27
[10961.008441] ch341-uart ttyUSB0: ch341-uart converter now disconnected from ttyUSB0
[10961.008462] ch341 6-1:1.0: device disconnected
[10961.276101] usb 6-1: new full-speed USB device number 28 using uhci_hcd
[10961.450201] usb 6-1: New USB device found, idVendor=1a86, idProduct=7523
[10961.450209] usb 6-1: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[10961.450214] usb 6-1: Product: USB2.0-Serial
[10961.453650] ch341 6-1:1.0: ch341-uart converter detected
[10961.459342] usb 6-1: ch341-uart converter now attached to ttyUSB0
[10963.984217] usb usb6-port1: disabled by hub (EMI?), re-enabling...
[10963.984230] usb 6-1: USB disconnect, device number 28
[10963.984608] ch341-uart ttyUSB0: ch341-uart converter now disconnected from ttyUSB0
[10963.984632] ch341 6-1:1.0: device disconnected
[10964.252197] usb 6-1: new full-speed USB device number 29 using uhci_hcd
[10964.430214] usb 6-1: New USB device found, idVendor=1a86, idProduct=7523
[10964.430221] usb 6-1: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[10964.430227] usb 6-1: Product: USB2.0-Serial
[10964.433308] ch341 6-1:1.0: ch341-uart converter detected
[10964.439306] usb 6-1: ch341-uart converter now attached to ttyUSB0
[10964.732226] usb usb6-port1: disabled by hub (EMI?), re-enabling...
[10964.732240] usb 6-1: USB disconnect, device number 29
[10964.732626] ch341-uart ttyUSB0: ch341-uart converter now disconnected from ttyUSB0
[10964.732651] ch341 6-1:1.0: device disconnected
[10965.208093] usb 6-1: new full-speed USB device number 30 using uhci_hcd
[10965.381232] usb 6-1: New USB device found, idVendor=1a86, idProduct=7523
[10965.381240] usb 6-1: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[10965.381246] usb 6-1: Product: USB2.0-Serial
[10965.386361] ch341 6-1:1.0: ch341-uart converter detected
[10965.392169] usb 6-1: failed to send control message: -71
[10965.392183] ch341-uart: probe of ttyUSB0 failed with error -71
[10965.392335] usb usb6-port1: disabled by hub (EMI?), re-enabling...
[10965.392340] usb 6-1: USB disconnect, device number 30
[10965.392471] ch341 6-1:1.0: device disconnected
[10965.656153] usb 6-1: new full-speed USB device number 31 using uhci_hcd
[10965.834196] usb 6-1: New USB device found, idVendor=1a86, idProduct=7523
[10965.834201] usb 6-1: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[10965.834204] usb 6-1: Product: USB2.0-Serial
[10965.837238] ch341 6-1:1.0: ch341-uart converter detected
[10965.843291] usb 6-1: ch341-uart converter now attached to ttyUSB0
[10969.192204] usb usb6-port1: disabled by hub (EMI?), re-enabling...
[10969.192223] usb 6-1: USB disconnect, device number 31
[10969.192775] ch341-uart ttyUSB0: ch341-uart converter now disconnected from ttyUSB0
[10969.192811] ch341 6-1:1.0: device disconnected
[10969.456125] usb 6-1: new full-speed USB device number 32 using uhci_hcd
[10969.842207] usb 6-1: New USB device found, idVendor=1a86, idProduct=7523
[10969.842216] usb 6-1: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[10969.842222] usb 6-1: Product: USB2.0-Serial
[10969.847665] ch341 6-1:1.0: ch341-uart converter detected
[10969.853287] usb 6-1: ch341-uart converter now attached to ttyUSB0
[10969.936236] usb usb6-port1: disabled by hub (EMI?), re-enabling...
[10969.936255] usb 6-1: USB disconnect, device number 32
[10969.936780] ch341-uart ttyUSB0: ch341-uart converter now disconnected from ttyUSB0
[10969.936815] ch341 6-1:1.0: device disconnected
[10970.616186] usb 6-1: new full-speed USB device number 33 using uhci_hcd
[10971.164150] usb 6-1: device not accepting address 33, error -71
[10971.284130] usb 6-1: new full-speed USB device number 34 using uhci_hcd
[10971.461184] usb 6-1: New USB device found, idVendor=1a86, idProduct=7523
[10971.461192] usb 6-1: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[10971.461197] usb 6-1: Product: USB2.0-Serial
[10971.463313] ch341 6-1:1.0: ch341-uart converter detected
[10971.469313] usb 6-1: ch341-uart converter now attached to ttyUSB0
[10986.056263] usb usb6-port1: disabled by hub (EMI?), re-enabling...
[10986.056282] usb 6-1: USB disconnect, device number 34
[10986.056812] ch341-uart ttyUSB0: ch341-uart converter now disconnected from ttyUSB0
[10986.056850] ch341 6-1:1.0: device disconnected
[10986.328188] usb 6-1: new full-speed USB device number 35 using uhci_hcd
[10986.505185] usb 6-1: New USB device found, idVendor=1a86, idProduct=7523
[10986.505190] usb 6-1: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[10986.505194] usb 6-1: Product: USB2.0-Serial
[10986.508425] ch341 6-1:1.0: ch341-uart converter detected
[10986.514318] usb 6-1: ch341-uart converter now attached to ttyUSB0
[10986.800263] usb usb6-port1: disabled by hub (EMI?), re-enabling...
[10986.800283] usb 6-1: USB disconnect, device number 35
[10986.800836] ch341-uart ttyUSB0: ch341-uart converter now disconnected from ttyUSB0
[10986.800874] ch341 6-1:1.0: device disconnected
[10987.068065] usb 6-1: new full-speed USB device number 36 using uhci_hcd
[10987.241207] usb 6-1: New USB device found, idVendor=1a86, idProduct=7523
[10987.241216] usb 6-1: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[10987.241221] usb 6-1: Product: USB2.0-Serial
[10987.246378] ch341 6-1:1.0: ch341-uart converter detected
[10987.252306] usb 6-1: ch341-uart converter now attached to ttyUSB0
[10987.300123] usb usb6-port1: disabled by hub (EMI?), re-enabling...
[10987.300134] usb 6-1: USB disconnect, device number 36
[10987.300565] ch341-uart ttyUSB0: ch341-uart converter now disconnected from ttyUSB0
[10987.300585] ch341 6-1:1.0: device disconnected
[10987.568212] usb 6-1: new full-speed USB device number 37 using uhci_hcd
[10988.116183] usb 6-1: device not accepting address 37, error -71
[10988.236120] usb 6-1: new full-speed USB device number 38 using uhci_hcd
[10988.400198] usb 6-1: unable to read config index 0 descriptor/start: -71
[10988.400211] usb 6-1: can't read configurations, error -71
[10988.520150] usb 6-1: new full-speed USB device number 39 using uhci_hcd
[10988.944151] usb 6-1: device not accepting address 39, error -71
[10989.064126] usb 6-1: new full-speed USB device number 40 using uhci_hcd
[10989.488183] usb 6-1: device not accepting address 40, error -71
[10989.488243] usb usb6-port1: unable to enumerate USB device