masayuki2009 commented on PR #8799:
URL: https://github.com/apache/nuttx/pull/8799#issuecomment-1518581432
@qinwei2004
I noticed that ostest crashes with qemu-armv8a:nsh_smp
```
$ /home/ishikawa/opensource/QEMU/qemu-7.1/build/qemu-system-aarch64 -cpu
cortex-a53 -smp 4 -nographic -machine virt,virtualization=on,gic-version=3 -net
none -chardev stdio,id=con,mux=on -serial chardev:con -mon
chardev=con,mode=readline -kernel ./nuttx
...
NuttShell (NSH) NuttX-12.1.0
nsh> uname -a
NuttX 12.1.0 4be499a243 Apr 22 2023 18:41:21 arm64 qemu-armv8a
nsh> ps
PID GROUP CPU PRI POLICY TYPE NPX STATE EVENT SIGMASK
STACK USED FILLED COMMAND
0 0 0 0 FIFO Kthread N-- Assigned 0000000000000000
016336 001040 6.3% CPU0 IDLE
1 1 1 0 FIFO Kthread N-- Running 0000000000000000
016336 000368 2.2% CPU1 IDLE
2 2 2 0 FIFO Kthread N-- Running 0000000000000000
016336 000128 0.7% CPU2 IDLE
3 3 3 0 FIFO Kthread N-- Running 0000000000000000
016336 000128 0.7% CPU3 IDLE
4 4 --- 192 RR Kthread --- Waiting Semaphore 0000000000000000
016288 001040 6.3% hpwork 0x402c3f70
5 5 0 100 RR Task --- Running 0000000000000000
016304 002784 17.0% nsh_main
nsh> free
total used free largest nused nfree
Umem: 131210576 571152 130639424 130639328 71 2
nsh> ostest
...
user_main: semaphore test
sem_test: Initializing semaphore to 0
sem_test: Starting waiter thread 1
sem_test: Set thread 1 priority to 191
sem_test: Starting waiter thread 2
waiter_func: Thread 1 Started
sem_test: Set thread 2 priority to 128
waiter_func: Thread 1 initial semaphore value = 0
waiter_func: Thread 1 waiting on semaphore
sem_test: Starting poster thread 3
waiter_func: Thread 2 Started
sem_test: Set thread 3 priority to 64
waiter_func: Thread 2 initial semaphore value = -1
waiter_func: Thread 2 waiting on semaphore
poster_func: Thread 3 started
poster_func: Thread 3 semaphore value = -2
poster_func: Thread 3 posting semaphore
poster_func: Thread 3 new semaphore value = -1
waiter_func: Thread 1 awakened
poster_func: Thread 3 semaphore value = -1
poster_func: Thread 3 posting semaphore
waiter_func: Thread 1 new semaphore value = -1
waiter_func: Thread 2 awakened
waiter_func: Thread 1 done
waiter_func: Thread 2 new semaphore value = 0
poster_func: Thread 3 new semaphore value = 0
[CPU3] _assert: Current Version: NuttX 12.1.0 4be499a243 Apr 22 2023
18:41:21 arm64
[CPU3] _assert: Assertion failed panic: at file: common/arm64_fatal.c:375
task(CPU3): ostest 0x402a4794
[CPU3] up_dump_register: stack = 0x40389d10
[CPU3] up_dump_register: x0: 0xdeaddeaddeaddead x1: 0x7
[CPU3] up_dump_register: x2: 0x0 x3: 0x402c3ca0
[CPU3] up_dump_register: x4: 0x1 x5: 0x2
[CPU3] up_dump_register: x6: 0x0 x7: 0xa00
[CPU3] up_dump_register: x8: 0x88 x9: 0x0
[CPU3] up_dump_register: x10: 0x0 x11: 0x0
[CPU3] up_dump_register: x12: 0x0 x13: 0x0
[CPU3] up_dump_register: x14: 0x0 x15: 0x0
[CPU3] up_dump_register: x16: 0x4028ca18 x17: 0x0
[CPU3] up_dump_register: x18: 0x0 x19: 0x402c2098
[CPU3] up_dump_register: x20: 0x4038a010 x21: 0x402b5c88
[CPU3] up_dump_register: x22: 0x0 x23: 0x0
[CPU3] up_dump_register: x24: 0x0 x25: 0x0
[CPU3] up_dump_register: x26: 0x0 x27: 0x0
[CPU3] up_dump_register: x28: 0x0 x29: 0x0
[CPU3] up_dump_register: x30: 0x40282230
[CPU3] up_dump_register:
[CPU3] up_dump_register: STATUS Registers:
[CPU3] up_dump_register: SPSR: 0x600003c5
[CPU3] up_dump_register: ELR: 0x4028238c
[CPU3] up_dump_register: SP_EL0: 0x4038a040
[CPU3] up_dump_register: SP_ELX: 0x40389d10
[CPU3] up_dump_register: TPIDR_EL0: 0x403726f0
[CPU3] up_dump_register: TPIDR_EL1: 0x403726f0
[CPU3] up_dump_register: EXE_DEPTH: 0x1
[CPU3] show_tasks: PID GROUP CPU PRI POLICY TYPE NPX STATE EVENT
SIGMASK STACKBASE STACKSIZE USED FILLED COMMAND
[CPU3] show_tasks: ---- --- ---- --- -------- ------- --- -------
---------- -------- 0x402cc000 8192 8192 100.0%! irq
[CPU3] dump_task: 0 0 0 0 FIFO Kthread N-- Running
0000000000000000 0x402ce030 16336 1168 7.1% CPU0 IDLE
[CPU3] dump_task: 1 1 1 0 FIFO Kthread N-- Running
0000000000000000 0x402d2030 16336 368 2.2% CPU1 IDLE
[CPU3] dump_task: 2 2 2 0 FIFO Kthread N-- Running
0000000000000000 0x402d6030 16336 368 2.2% CPU2 IDLE
[CPU3] dump_task: 3 3 3 0 FIFO Kthread N-- Assigned
0000000000000000 0x402da030 16336 368 2.2% CPU3 IDLE
[CPU3] dump_task: 4 4 0 192 RR Kthread --- Waiting
Semaphore 0000000000000000 0x402e0b00 16288 1264 7.7% hpwork
0x402c3f70
[CPU3] dump_task: 5 5 0 100 RR Task --- Waiting
Semaphore 0000000000000000 0x402e5140 16304 2096 12.8% nsh_main
[CPU3] dump_task: 22 22 1 100 RR Task --- Waiting
Semaphore 0000000000000000 0x4036e4e0 16256 2160 13.2% ostest
Arg1 Arg2 Arg3 Arg4
[CPU3] dump_task: 122 22 3 128 RR pthread --- Running
0000000000000000 0x403863b0 16336 3680 22.5% ostest
0x402a4794 0x2
[CPU3] dump_task: 123 22 2 64 RR pthread --- Waiting
Semaphore 0000000000000000 0x4038a3c0 16336 1808 11.0% ostest
0x402a4608 0x3
[CPU3] dump_task: 15 15 0 100 RR Task --- Waiting
Semaphore 0000000000000000 0x40369db0 16304 1920 11.7% ostest
```
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