HwHiAiUser@orangepiaipro:/home/AscendWork$ npu-smi info 

[ERROR] DRV(9,npu-smi):2024-05-07-12:24:50.204.126 [uda_user.c:110][tsdrv] [uda_dev_access 110] Dev open failed. (dev=/dev/davinci0; errno=16; ret=87) 

[ERROR] DRV(9,npu-smi):2024-05-07-12:24:50.204.845 [devdrv_manager.c:244][devmng] [devdrv_open_device_manager 244] devdrv_do_container return error. (ret=87, fd=3) 

[ERROR] DRV(9,npu-smi):2024-05-07-12:24:50.204.920 [devmng_user_common.c:33][devmng] [dmanage_common_ioctl 33] Device is busy. (ret=-87) 

[ERROR] DRV(9,npu-smi):2024-05-07-12:24:50.204.958 [devdrv_info.c:269][devmng] [dmanage_get_container_flag 269] ioctl failed, ret(87). 

[ERROR] DRV(9,npu-smi):2024-05-07-12:24:50.204.991 [devdrv_manager.c:3321][devmng] [drvManagerInit 3321] get container flag failed. 

[ERROR] DRV(9,npu-smi):2024-05-07-12:24:50.206.174 [uda_user.c:110][tsdrv] [uda_dev_access 110] Dev open failed. (dev=/dev/davinci0; errno=16; ret=87) 

[ERROR] DRV(9,npu-smi):2024-05-07-12:24:50.206.564 [uda_user.c:110][tsdrv] [uda_dev_access 110] Dev open failed. (dev=/dev/davinci0; errno=16; ret=87) 

[ERROR] DRV(9,npu-smi):2024-05-07-12:24:50.206.604 [dp_proc_mng_mem_stats.c:117][(null)] [dp_proc_mng_prof_init 117] Drv get dev num error. (ret=87) 

[ERROR] DRV(9,npu-smi):2024-05-07-12:24:50.217.593 [uda_user.c:110][tsdrv] [uda_dev_access 110] Dev open failed. (dev=/dev/davinci0; errno=16; ret=87) 

[ERROR] DRV(9,npu-smi):2024-05-07-12:24:50.217.670 [dsmi_common_interface.c:126][dmp] [dsmi_get_device_count 126] device is busy. (ret=87) 

dcmi model initialized failed, because the device is used. ret is -8020