masayuki2009 commented on pull request #5658:
URL: https://github.com/apache/incubator-nuttx/pull/5658#issuecomment-1055951392
@xiaoxiang781216
Hmm, sabre-6quad:knsh has an issue.
```
$ qemu-system-arm -semihosting -M sabrelite -m 1024 -smp 4 -kernel ./nuttx
-nographic
ABDGHIJKNOPQ
NuttShell (NSH) NuttX-3.6.1
nsh> ps
PID GROUP PRI POLICY TYPE NPX STATE EVENT SIGMASK STACK
USED FILLED COMMAND
0 0 0 FIFO Kthread N-- Ready 00000000 002024
001000 49.4% Idle Task
1 1 100 RR Task --- Running 00000000 002016
001232 61.1% /system/bin/init
nsh> free
total used free largest nused nfree
Umem: 1048224 3728 1044496 1038304 6 2
Kmem: 1065201200 10720 1065190480 1065190480 30 1
Page: 134217728 1122304 133095424 133095424
sh> /system/bin/hello
Hello, World!!
[ 21.590000] arm_dataabort: Data abort. PC: 1080655c DFAR: 80100004 DFSR:
00000005
[ 21.590000] up_assert: Assertion failed at file:armv7-a/arm_dataabort.c
line: 161 task: /system/bin/hello
[ 21.590000] arm_registerdump: R0: 80202000 R1: 00000000 R2: 00000000 R3:
80100000
[ 21.590000] arm_registerdump: R4: 00000000 R5: 00000000 R6: 00000000 FP:
108289c0
[ 21.590000] arm_registerdump: R8: 00000000 SB: 00000000 SL: 00000000 R11:
00000000
[ 21.590000] arm_registerdump: IP: 10804d05 SP: 108289c0 LR: 1081f59d PC:
1080655c
[ 21.590000] arm_registerdump: CPSR: 400000f3
[ 21.590000] arm_dump_stack: IRQ Stack:
[ 21.590000] arm_dump_stack: sp: 10828888
[ 21.590000] arm_dump_stack: base: 10822d80
[ 21.590000] arm_dump_stack: size: 00000800
[ 21.590000] arm_dump_stack: ERROR: IRQ Stack pointer is not within the
stack
[ 21.590000] arm_stackdump: 10822d80: deadbeef deadbeef deadbeef deadbeef
deadbeef deadbeef deadbeef deadbeef
```
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