[GitHub] [incubator-nuttx] masayuki2009 edited a comment on pull request #3179: Revert "USBDEV RNDIS: Fix occasional disconnections due to race condition"

[GitBox <gi...@apache.org>]

masayuki2009 edited a comment on pull request #3179:
URL: https://github.com/apache/incubator-nuttx/pull/3179#issuecomment-806817709


   > Hi @masayuki2009 could you please explain what issue is it causing to you? @PetteriAimonen we need your support to handle it.
   
   Ubuntu 18.04 host does not recognize Spresense RNDIS device.
   
   With PR #3163
   
   ```
   [ 3030.289521] usb 3-4.2: new high-speed USB device number 18 using xhci_hcd
   [ 3030.395649] usb 3-4.2: New USB device found, idVendor=584e, idProduct=5342
   [ 3030.395652] usb 3-4.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
   [ 3030.395654] usb 3-4.2: Product: RNDIS gadget
   [ 3030.395655] usb 3-4.2: Manufacturer: NuttX
   [ 3030.395656] usb 3-4.2: SerialNumber: 1234
   [ 3030.399068] rndis_host 3-4.2:1.0: skipping garbage
   [ 3074.187958] rndis_host 3-4.2:1.0: RNDIS init failed, -110
   [ 3074.188002] rndis_host: probe of 3-4.2:1.0 failed with error -110
   [ 3074.188430] rndis_wlan 3-4.2:1.0: skipping garbage
   [ 3079.260746] rndis_wlan 3-4.2:1.0: RNDIS init failed, -110
   [ 3079.261069] rndis_wlan: probe of 3-4.2:1.0 failed with error -110
   [ 3079.261722] usb 3-4.2: USB disconnect, device number 18
   [ 3079.492258] usb 3-4.2: new high-speed USB device number 19 using xhci_hcd
   [ 3079.595589] usb 3-4.2: New USB device found, idVendor=584e, idProduct=5342
   [ 3079.595592] usb 3-4.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
   [ 3079.595594] usb 3-4.2: Product: RNDIS gadget
   [ 3079.595595] usb 3-4.2: Manufacturer: NuttX
   [ 3079.595596] usb 3-4.2: SerialNumber: 1234
   [ 3079.598378] rndis_host 3-4.2:1.0: skipping garbage
   ```
   
   With this PR
   
   ```
   [ 1346.764549] usb 3-4.2: new high-speed USB device number 17 using xhci_hcd
   [ 1346.868779] usb 3-4.2: New USB device found, idVendor=584e, idProduct=5342
   [ 1346.868782] usb 3-4.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
   [ 1346.868784] usb 3-4.2: Product: RNDIS gadget
   [ 1346.868786] usb 3-4.2: Manufacturer: NuttX
   [ 1346.868787] usb 3-4.2: SerialNumber: 1234
   [ 1346.873761] rndis_host 3-4.2:1.0: skipping garbage
   [ 1346.877742] rndis_host 3-4.2:1.0 eth0: register 'rndis_host' at usb-0000:03:00.0-4.2, RNDIS device, a0:e0:de:ad:be:ff
   [ 1346.913535] rndis_host 3-4.2:1.0 enxa0e0deadbeff: renamed from eth0
   ```


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