Comment 370 for bug 1667750

FYI: I have built a kernel with the previously (on this thread) discussed patch (on a 5.4 kernel) and I still have the error multiple times per day.

(In reply to James H from comment #207)
> I'm using a 2.5gb ethernet usb device and getting this error intermittently
> (a dozen times per day).
>
> $ uname -a
> Linux hephaestus 5.4.0-135-generic #152-Ubuntu SMP Wed Nov 23 20:19:22 UTC
> 2022 x86_64 x86_64 x86_64 GNU/Linux
>
>
> $ lsusb
> <snip>
> Bus 003 Device 016: ID 0bda:8156 Realtek Semiconductor Corp. USB
> 10/100/1G/2.5G
>
>
>
> This is what plays out via /var/log/syslog each time:
>
> Dec 21 10:26:47 hephaestus kernel: [346923.166782] usb 3-4: USB disconnect,
> device number 15
> Dec 21 10:26:47 hephaestus kernel: [346923.166913] xhci_hcd 0000:00:14.0:
> WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state.
> Dec 21 10:26:47 hephaestus kernel: [346923.166927] cdc_ncm 3-4:2.0 eth1:
> unregister 'cdc_ncm' usb-0000:00:14.0-4, CDC NCM
> Dec 21 10:26:47 hephaestus kernel: [346923.167071] xhci_hcd 0000:00:14.0:
> WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state.
> Dec 21 10:26:47 hephaestus kernel: [346923.170644] xhci_hcd 0000:00:14.0:
> WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state.
> Dec 21 10:26:47 hephaestus dhclient[320734]: receive_packet failed on eth1:
> Network is down
> Dec 21 10:26:47 hephaestus systemd[1]: Stopping ifup for eth1...
> Dec 21 10:26:47 hephaestus dhclient[325522]: Killed old client process
> Dec 21 10:26:47 hephaestus ifdown[325522]: Killed old client process
> Dec 21 10:26:47 hephaestus kernel: [346923.478913] usb 3-4: new SuperSpeed
> Gen 1 USB device number 16 using xhci_hcd
> Dec 21 10:26:47 hephaestus kernel: [346923.499567] usb 3-4: New USB device
> found, idVendor=0bda, idProduct=8156, bcdDevice=31.00
> Dec 21 10:26:47 hephaestus kernel: [346923.499573] usb 3-4: New USB device
> strings: Mfr=1, Product=2, SerialNumber=6
> Dec 21 10:26:47 hephaestus kernel: [346923.499577] usb 3-4: Product: USB
> 10/100/1G/2.5G LAN
> Dec 21 10:26:47 hephaestus kernel: [346923.499580] usb 3-4: Manufacturer:
> Realtek
> Dec 21 10:26:47 hephaestus kernel: [346923.499583] usb 3-4: SerialNumber:
> 001000001
> Dec 21 10:26:47 hephaestus kernel: [346923.523736] cdc_ncm 3-4:2.0:
> MAC-Address: xx:xx:xx:xx:xx:xx
> Dec 21 10:26:47 hephaestus kernel: [346923.523742] cdc_ncm 3-4:2.0: setting
> rx_max = 16384
> Dec 21 10:26:47 hephaestus kernel: [346923.523836] cdc_ncm 3-4:2.0: setting
> tx_max = 16384
> Dec 21 10:26:47 hephaestus kernel: [346923.524578] cdc_ncm 3-4:2.0 eth1:
> register 'cdc_ncm' at usb-0000:00:14.0-4, CDC NCM, xx:xx:xx:xx:xx:xx
> Dec 21 10:26:47 hephaestus systemd-udevd[325501]: Using default interface
> naming scheme 'v245'.
> Dec 21 10:26:47 hephaestus systemd-udevd[325501]: ethtool: autonegotiation
> is unset or enabled, the speed and duplex are not writable.
> Dec 21 10:26:47 hephaestus systemd[1]: Found device USB_10_100_1G_2.5G_LAN.
> (then things start back up and the ethernet link goes live again after about
> 10 seconds)