yjdwbj commented on issue #2248:
URL: https://github.com/apache/incubator-nuttx/issues/2248#issuecomment-723685751
> If I remember on this board with the configuration the link has to be up for it to get to the shell. Do you have ethernet cable plugged in? You are likely not seeing any debug info because you do not have the network debug flags turned on.
Hi, Yes, I did have ethernet cache plugged in. and I got a nsh shell from the `ttyACM0`:
```sh
NuttShell (NSH) NuttX-9.1.0
nsh>
nsh>
nsh> uname -a
NuttX stntest 9.1.0 5bb4eb39f2-dirty Sep 28 2020 18:33:47 arm nucleo-144
nsh> ifconfig
eth0 Link encap:Ethernet HWaddr 96:0f:40:c2:b0:45 at UP
inet addr:10.0.0.2 DRaddr:10.0.0.1 Mask:255.255.255.0
inet6 addr: 2409:8a55:2416:2500:940f:40ff:fec2:b045/64
inet6 DRaddr: fe80::2276:93ff:fe00:ac08/64
lo Link encap:Local Loopback at UP
inet addr:127.0.0.1 DRaddr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128
inet6 DRaddr: ::1/128
IPv4 IPv6 TCP UDP ICMP ICMPv6
Received 0000 0004 0000 0000 0000 0001
Dropped 0000 0003 0000 0000 0000 0000
IPv4 VHL: 0000 Frg: 0000
IPv6 VHL: 0000
Checksum 0000 ---- 0000 0000 ---- ----
TCP ACK: 0000 SYN: 0000
RST: 0000 0000
Type 0000 0000 ---- ---- 0000 0000
Sent 0000 0006 0000 0000 0000 0006
Rexmit ---- ---- 0000 ---- ---- ----
nsh>
```
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
users@infra.apache.org