[PLUG] [OT ? ?? ???] Linux and computer literacy
Galen Seitz
galens at seitzassoc.com
Tue Jun 19 16:10:15 UTC 2018
On 06/19/2018 08:15 AM, Richard Owlett wrote:
> Plug in one end of cable
> [ 1882.167155] usb 4-1.1.4: new high-speed USB device number 4 using
> ehci-pci
> [ 1882.278177] usb 4-1.1.4: New USB device found, idVendor=067b,
> idProduct=25a1
> [ 1882.278183] usb 4-1.1.4: New USB device strings: Mfr=1, Product=2,
> SerialNumber=0
> [ 1882.278187] usb 4-1.1.4: Product: USB Transfer Cable
> [ 1882.278191] usb 4-1.1.4: Manufacturer: Prolific Technology Inc.
> [ 1882.301597] plusb 4-1.1.4:1.0 usb0: register 'plusb' at
> usb-0000:00:1d.0-1.1.4, Prolific PL-2301/PL-2302/PL-25A1/PL-27A1,
> 1e:1c:40:06:14:68
> [ 1882.301642] usbcore: registered new interface driver plusb
> [ 1882.306204] plusb 4-1.1.4:1.0 enp0s29u1u1u4: renamed from usb0
> [ 1882.333434] IPv6: ADDRCONF(NETDEV_UP): enp0s29u1u1u4: link is not ready
>
>
> Plug in other end of cable also
> [ 1887.342562] plusb 4-1.1.4:1.0 enp0s29u1u1u4: kevent 12 may have been
> dropped
> [ 1887.342580] plusb 4-1.1.4:1.0 enp0s29u1u1u4: kevent 12 may have been
> dropped
> [ 1887.344176] plusb 4-1.1.4:1.0 enp0s29u1u1u4: kevent 12 may have been
> dropped
> [ 1887.344197] plusb 4-1.1.4:1.0 enp0s29u1u1u4: kevent 12 may have been
> dropped
> [ 1906.022817] usb 4-1.1.3: new high-speed USB device number 5 using
> ehci-pci
> [ 1906.133374] usb 4-1.1.3: New USB device found, idVendor=067b,
> idProduct=25a1
> [ 1906.133381] usb 4-1.1.3: New USB device strings: Mfr=1, Product=2,
> SerialNumber=0
> [ 1906.133385] usb 4-1.1.3: Product: USB Transfer Cable
> [ 1906.133389] usb 4-1.1.3: Manufacturer: Prolific Technology Inc.
> [ 1906.134334] plusb 4-1.1.3:1.0 usb0: register 'plusb' at
> usb-0000:00:1d.0-1.1.3, Prolific PL-2301/PL-2302/PL-25A1/PL-27A1,
> 1e:1c:40:06:14:68
> [ 1906.152962] plusb 4-1.1.3:1.0 enp0s29u1u1u3: renamed from usb0
> [ 1906.185788] IPv6: ADDRCONF(NETDEV_UP): enp0s29u1u1u3: link is not ready
> [ 1911.405952] plusb 4-1.1.3:1.0 enp0s29u1u1u3: kevent 12 may have been
> dropped
> [ 1911.405966] plusb 4-1.1.3:1.0 enp0s29u1u1u3: kevent 12 may have been
> dropped
> [ 1911.407590] plusb 4-1.1.3:1.0 enp0s29u1u1u3: kevent 12 may have been
> dropped
> [ 1911.407614] plusb 4-1.1.3:1.0 enp0s29u1u1u3: kevent 12 may have been
> dropped
> root at debian-jan13:/home/richard#
Well, your Prolific PL25A1-based cable isn't just two Ethernet chips
back to back, but it's close. It uses the same networking framework as
USB to Ethernet adapters. Here's a bit of info on the driver. This is
as much for Russell as for you.
<https://cateee.net/lkddb/web-lkddb/USB_USBNET.html>
With both ends of the cable connected, please run the ip addr command on
one of your hosts and post the complete output.
galen
--
Galen Seitz
galens at seitzassoc.com
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