Hi Tim, did you try other Linux distro? Maybe it could be some incompatibility in recent Linux kernel.
I suggest you to test on an old Linux distro (i.e. Ubuntu 18.04 LTS) just to double check. BR, Alan On 1/21/22, Tim <t...@jti.uk.com> wrote: > Windows now working properly but not Linux. My board can be powered via the > USB and I think it all got confused as I had been leaving the USB cable > connected, coupled with not flashing code but using JTAG download for > debugging, coupled with not repowering the board very often. > > I can now telnet from Windows. > > Linux remains an issue, but I'm looking at whether there are any RNDIS > driver updates for Ubuntu or something like that. > > But, for once, I at least have *something* working :) > >>-----Original Message----- >>From: Tim <t...@jti.uk.com> >>Sent: 21 January 2022 14:14 >>To: dev@nuttx.apache.org >>Subject: RE: RNDIS >> >>>From: Tim Hardisty <t...@jti.uk.com> >>>Sent: 21 January 2022 11:15 >> >>>[ 3399.339551] rndis_host 1-2:1.0: dev can't take 1558 byte packets >>>(max 1364), adjusting MTU to 1306 >> >>Easily fixed: >> >>CONFIG_NET_ETH_PKT_SIZE=1518 >> >>But RNDIS still doesn't work, having checked every option I can find. >> >>Windows doesn't like it, with nsh reporting loads of unknown message types >> (e.g. >>1162626371, 1030976101), and Bad packet size dropper (0). But it does show >> as a >>network adapter on the PC. >> >>Linux dmesg still shows the same: rndis_host 1-2:1.0: >>RNDIS_MSG_QUERY(0x01010101) failed, -32 >> >>CDC-ECM Ethernet-over-USB worked straight away, which is fine for Linux >> but >>not for Windows. >> >> > > >
