masayuki2009 commented on pull request #2899:
URL: https://github.com/apache/incubator-nuttx/pull/2899#issuecomment-790352688
@Donny9 @xiaoxiang781216
Hmmm, it seems that the telnetd does not work after this change.
You can try lm3s6965-ek:discover with qemu.
```
nsh> renew eth0
nsh> ps
PID PRI POLICY TYPE NPX STATE EVENT SIGMASK STACK USED
FILLED COMMAND
0 0 FIFO Kthread N-- Ready 00000000 001024 001024
100.0%! Idle Task
1 224 RR Kthread --- Waiting Signal 00000000 002036 000236
11.5% hpwork
2 60 RR Kthread --- Waiting Signal 00000000 002036 000380
18.6% lpwork
3 100 RR Task --- Running 00000000 002036 001000
49.1% init
4 100 RR Task --- Waiting Semaphore 00000000 002012 000420
20.8% Telnet daemon 0x20006050
nsh> ifconfig
eth0 Link encap:Ethernet HWaddr 00:e0:de:ad:be:ef at UP
inet addr:10.0.2.15 DRaddr:10.0.2.2 Mask:255.255.255.0
IPv4 TCP UDP ICMP
Received 0002 0000 0002 0000
Dropped 0000 0000 0000 0000
IPv4 VHL: 0000 Frg: 0000
Checksum 0000 0000 0000 ----
TCP ACK: 0000 SYN: 0000
RST: 0000 0000
Type 0000 ---- ---- 0000
Sent 0002 0000 0002 0000
Rexmit ---- 0000 ---- ----
nsh> qemu: fatal: Lockup: can't escalate 3 to HardFault (current priority -1)
R00=00000000 R01=00000000 R02=40025000 R03=00000004
R04=00000000 R05=00000003 R06=ffffff6c R07=2000724c
R08=20006178 R09=00000064 R10=00000400 R11=00000001
R12=00000074 R13=ffffff50 R14=00000c7f R15=00000000
XPSR=00000003 ---- A handler
FPSCR: 00000000
Aborted (core dumped)
$ telnet localhost 10023
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
Connection closed by foreign host.
```
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