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Perhaps this was already known - just stating my findings/learnings. So indeed it seems like 1st plug vs re-plugs does make a difference here. Which has the cdc_subset error, but then does NOT register a cdc interface. In the multi-replug case, it does this instead + cdc_subset: probe of 1-2:2.0 failed with error -22 #USB TO PC FAILED TO DISABLE RNDIS TO USE SERIAL DRIVER#+ usbcore: registered new interface driver cdc_subsetīit in particular - the cdc probe error occurs, but it does register a new interface for cdc_subset. On the full-boot, then connect dmesg output, notice this + cdc_subset: probe of 1-1:2.0 failed with error -22 Multiple-replugs without rebooting MOD: Dwarf USB Multi Replugs. #USB TO PC FAILED TO DISABLE RNDIS TO USE SERIAL FULL#(Also, is there any easy place to share diffs (in the git diff sense) with yee? I’m diffing dmesg output to just strip to the interesting parts - would be nice to easily share them?)įull boot, then connect USB cable dmesg output: Dwarf USB 1st Connect After Full Boot. What I don’t really understand is how ping works to 192.168.51.1, and nmap can see the various open ports (22,), but pointing a browser to 192.168.51.1 doesn’t work, and neither does SSH-ing in via port 22…ĭoes the cdc probe error logically explain that? Re-verified now, that letting Dwarf boot (USB cable disconnected), and then plugging in is not working here. Note that I did get the UI up once so at some point it worked (on 1.), but I also saw the cdc issue then…Īs per steps above, I was actually booting Dwarf/Laptop, and then connecting cable… and it wasn’t working. It seems the cdc_subset failed is the first thing to investigate, as it could be causing the issues that occur after it? I’m not sure if this is 100% ModDwarf… but my Ubuntu is a pretty typical 20.10 release, and I’m just logged in as a normal user (Falk Dmesg output via PasteBin here - NETDEV WATCH. Note that ping moddwarf.local does not work here, so mDNS seems to be failing.Īt this point, sudo dmesg reports a “netdev watchdog timeout” on usb0 (the ModDwarf USB Ether connection interface). I then attempt to create connection to ModDwarf using Particularly that 2nd last line cdc_subset is strange to me? cdc_subset: probe of 1-2:2.0 failed with error -22 usb 1-2: Manufacturer: Linux 5.10.4-rt20-moddwarf with b usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0 usb 1-2: New USB device found, idVendor=0525, idProduct=a4a2, bcdDevice= 5.10 #USB TO PC FAILED TO DISABLE RNDIS TO USE SERIAL MOD#Not sure if this is a (bad?) bug, but I’ve seen it when connecting MOD Dwarf to Linux computer: usb 1-2: new high-speed USB device number 19 using xhci_hcd ![]()
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