masayuki2009 commented on pull request #5529:
URL: https://github.com/apache/incubator-nuttx/pull/5529#issuecomment-1075984650
@no1wudi
I tried this PR but the `smp` application does not work.
```
$ ~/opensource/QEMU/qemu-6.1.1/build/riscv64-softmmu/qemu-system-riscv64
-nographic -cpu rv64 -M virt -bios none -kernel ./nuttx
qemu-system-riscv64: clint: invalid write: 00000004
qemu-system-riscv64: clint: invalid write: 00000008
qemu-system-riscv64: clint: invalid write: 0000000c
qemu-system-riscv64: clint: invalid write: 00000010
qemu-system-riscv64: clint: invalid write: 00000014
qemu-system-riscv64: clint: invalid write: 00000018
qemu-system-riscv64: clint: invalid write: 0000001c
NuttShell (NSH) NuttX-10.2.0
nsh> uname -a
NuttX 10.2.0 ab18b7b3d3 Mar 23 2022 15:43:23 risc-v rv-virt
nsh> ps
PID GROUP CPU PRI POLICY TYPE NPX STATE EVENT SIGMASK STACK
USED FILLED COMMAND
0 0 0 0 FIFO Kthread N-- Assigned 00000000 002000
001088 54.4% CPU0 IDLE
1 1 1 0 FIFO Kthread N-- Running 00000000 002000
002000 100.0%! CPU1 IDLE
2 2 2 0 FIFO Kthread N-- Running 00000000 002000
002000 100.0%! CPU2 IDLE
3 3 3 0 FIFO Kthread N-- Running 00000000 002000
002000 100.0%! CPU3 IDLE
4 4 4 0 FIFO Kthread N-- Running 00000000 002000
002000 100.0%! CPU4 IDLE
5 5 5 0 FIFO Kthread N-- Running 00000000 002000
002000 100.0%! CPU5 IDLE
6 6 6 0 FIFO Kthread N-- Running 00000000 002000
002000 100.0%! CPU6 IDLE
7 7 7 0 FIFO Kthread N-- Running 00000000 002000
002000 100.0%! CPU7 IDLE
8 8 0 100 RR Task --- Running 00000000 002016
001952 96.8%! nsh_main
nsh> free
total used free largest nused nfree
Umem: 33379360 13648 33365712 33365712 58 1
nsh> help
help usage: help [-v] [<cmd>]
? cat cd free help ls mount ps uname
Builtin Apps:
ostest sh nsh smp
nsh> smp
Main[0]: Running on CPU0
Main[0]: Initializing barrier
qemu-system-riscv64: clint: invalid write: 00000004
```
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