linguini1 opened a new issue, #18377:
URL: https://github.com/apache/nuttx/issues/18377
### Description / Steps to reproduce the issue
The Pico 2 is unresponsive at boot time when the image built from:
```console
$ ./tools/configure.sh raspberrypi-pico-2:usbnsh
$ make -j
```
is flashed onto the device. The device does not appear as a USB serial
device on my host machine, nor does the LED come on, etc. The LED also does not
come on for the `nsh` configuration but I was unable to test the serial console.
Discovered while working on #15666
**NOTE:** I am flashing this configuration to the Pico 2W. I expect it
should work, as Pico images work on the Pico W for the RP2040 but I am not
certain.
### On which OS does this issue occur?
[OS: Linux]
### What is the version of your OS?
Arch Linux
### NuttX Version
master
### Issue Architecture
[Arch: arm]
### Issue Area
[Area: Board support]
### Host information
```
file sysinfo.h not exists
NuttX configuration options:
CONFIG_HOST_LINUX=y
CONFIG_APPS_DIR="../apps"
CONFIG_BASE_DEFCONFIG="raspberrypi-pico-2:usbnsh"
CONFIG_BUILD_FLAT=y
CONFIG_OUTPUT_STRIP_PATHS=y
CONFIG_ARCH_HAVE_STDARG_H=y
CONFIG_ARCH_HAVE_SETJMP=y
CONFIG_ARCH_NONE_DEBUG_H=y
CONFIG_FORTIFY_SOURCE=0
CONFIG_NDEBUG=y
CONFIG_DEBUG_ALERT=y
CONFIG_ARCH_HAVE_STACKCHECK=y
CONFIG_STACK_USAGE_WARNING=0
CONFIG_DEBUG_SYMBOLS=y
CONFIG_DEBUG_SYMBOLS_LEVEL="-g"
CONFIG_ARCH_HAVE_CUSTOMOPT=y
CONFIG_DEBUG_FULLOPT=y
CONFIG_LTO_NONE=y
CONFIG_DEBUG_OPT_UNUSED_SECTIONS=y
CONFIG_DEBUG_LINK_MAP=y
CONFIG_ARCH_ARM=y
CONFIG_ARCH="arm"
CONFIG_ARM_TOOLCHAIN_GNU_EABI=y
CONFIG_ARCH_CHIP_RP23XX=y
CONFIG_ARCH_ARMV8M=y
CONFIG_ARCH_CORTEXM33=y
CONFIG_ARCH_FAMILY="armv8-m"
CONFIG_ARCH_CHIP="rp23xx"
CONFIG_ARM_THUMB=y
CONFIG_ARM_HAVE_WFE_SEV=y
CONFIG_ARM_HAVE_DSP=y
CONFIG_ARM_DSP=y
CONFIG_ARCH_HAVE_HARDFAULT_DEBUG=y
CONFIG_ARCH_HAVE_MEMFAULT_DEBUG=y
CONFIG_ARCH_HAVE_BUSFAULT_DEBUG=y
CONFIG_ARCH_HAVE_USAGEFAULT_DEBUG=y
CONFIG_ARMV8M_STACKCHECK_NONE=y
CONFIG_RP23XX_DMAC=y
CONFIG_ARCH_TOOLCHAIN_GNU=y
CONFIG_ARCH_TOOLCHAIN_GCC=y
CONFIG_ARCH_HAVE_IRQTRIGGER=y
CONFIG_ARCH_DMA=y
CONFIG_ARCH_HAVE_IRQPRIO=y
CONFIG_ARCH_HAVE_MULTICPU=y
CONFIG_ARCH_HAVE_FORK=y
CONFIG_ARCH_HAVE_FPU=y
CONFIG_ARCH_HAVE_RESET=y
CONFIG_ARCH_HAVE_TESTSET=y
CONFIG_ARCH_HAVE_CUSTOM_TESTSET=y
CONFIG_ARCH_HAVE_THREAD_LOCAL=y
CONFIG_ARCH_HAVE_SYSCALL_HOOKS=y
CONFIG_ARCH_HAVE_BACKTRACE=y
CONFIG_ARCH_HAVE_DEBUG=y
CONFIG_ARCH_HAVE_PERF_EVENTS=y
CONFIG_ARCH_HAVE_CPUINFO=y
CONFIG_ARCH_CPUINFO_FREQ_KHZ=0
CONFIG_ARCH_HAVE_TCBINFO=y
CONFIG_ARCH_FPU=y
CONFIG_NCPUS=1
CONFIG_ARCH_STACKDUMP=y
CONFIG_ARCH_STACKDUMP_MAX_LENGTH=0
CONFIG_ARCH_HAVE_RAMVECTORS=y
CONFIG_ARCH_RAMVECTORS=y
CONFIG_BOARD_LOOPSPERMSEC=10450
CONFIG_ARCH_HAVE_INTERRUPTSTACK=y
CONFIG_ARCH_INTERRUPTSTACK=0
CONFIG_ARCH_HAVE_HIPRI_INTERRUPT=y
CONFIG_BOOT_RUNFROMFLASH=y
CONFIG_RAM_START=0x20000000
CONFIG_RAM_SIZE=532480
CONFIG_FLASH_START=0x0
CONFIG_FLASH_SIZE=0
CONFIG_ARCH_BOARD_RASPBERRYPI_PICO_2=y
CONFIG_ARCH_BOARD="raspberrypi-pico-2"
CONFIG_ARCH_HAVE_LEDS=y
CONFIG_ARCH_LEDS=y
CONFIG_ARCH_BOARD_COMMON=y
CONFIG_RP23XX_UF2_BINARY=y
CONFIG_BOARD_CRASHDUMP_NONE=y
CONFIG_BOARDCTL=y
CONFIG_BOARDCTL_RESET=y
CONFIG_BOARD_RESET_ON_ASSERT=0
CONFIG_BOARD_ASSERT_RESET_VALUE=1
CONFIG_BOARDCTL_MKRD=y
CONFIG_BOARDCTL_USBDEVCTRL=y
CONFIG_BOARD_MEMORY_RANGE=""
CONFIG_DISABLE_OS_API=y
CONFIG_DISABLE_POSIX_TIMERS=y
CONFIG_USEC_PER_TICK=10000
CONFIG_TIMER_ADJUST_USEC=0
CONFIG_START_YEAR=2021
CONFIG_START_MONTH=2
CONFIG_START_DAY=9
CONFIG_IRQ_NWORKS=8
CONFIG_IRQ_WORK_SECTION=""
CONFIG_IRQ_WORK_STACKSIZE=2048
CONFIG_INIT_ENTRY=y
CONFIG_INIT_ARGS=""
CONFIG_INIT_STACKSIZE=2048
CONFIG_INIT_PRIORITY=100
CONFIG_INIT_ENTRYPOINT="nsh_main"
CONFIG_INIT_ENTRYNAME="nsh_main"
CONFIG_RR_INTERVAL=200
CONFIG_TASK_NAME_SIZE=31
CONFIG_SCHED_WAITPID=y
CONFIG_PTHREAD_MUTEX_BOTH=y
CONFIG_PTHREAD_MUTEX_DEFAULT_UNSAFE=y
CONFIG_PTHREAD_MUTEX_DEFAULT_PRIO_NONE=y
CONFIG_SCHED_CPULOAD_NONE=y
CONFIG_SCHED_CPULOAD_TICKSPERSEC=100
CONFIG_SCHED_PROFILE_TICKSPERSEC=1000
CONFIG_SCHED_STACK_RECORD=0
CONFIG_NFILE_DESCRIPTORS_PER_BLOCK=6
CONFIG_FILE_STREAM=y
CONFIG_ENABLE_ALL_SIGNALS=y
CONFIG_SIG_PREALLOC_ACTIONS=4
CONFIG_SIG_ALLOC_ACTIONS=1
CONFIG_SIG_PREALLOC_IRQ_ACTIONS=8
CONFIG_PREALLOC_MQ_MSGS=8
CONFIG_PREALLOC_MQ_IRQ_MSGS=8
CONFIG_MQ_MAXMSGSIZE=32
CONFIG_DEFAULT_TASK_STACKSIZE=2048
CONFIG_IDLETHREAD_STACKSIZE=1024
CONFIG_PTHREAD_STACK_MIN=256
CONFIG_PTHREAD_STACK_DEFAULT=2048
CONFIG_PTHREAD_GUARDSIZE_DEFAULT=0
CONFIG_PID_INITIAL_COUNT=16
CONFIG_ARCH_HAVE_I2CRESET=y
CONFIG_ARCH_HAVE_PWM_MULTICHAN=y
CONFIG_DEV_NULL=y
CONFIG_DEV_ZERO=y
CONFIG_DEV_OPTEE_NONE=y
CONFIG_DRVR_MKRD=y
CONFIG_ARCH_HAVE_RDWR_MEM_CPU_RUN=y
CONFIG_SERIAL=y
CONFIG_SERIAL_REMOVABLE=y
CONFIG_SERIAL_NPOLLWAITERS=4
CONFIG_SERIAL_TXDMA=y
CONFIG_SERIAL_RXDMA=y
CONFIG_USBDEV=y
CONFIG_USBDEV_EPBUFFER_ALIGNMENT=0
CONFIG_USBDEV_BUSPOWERED=y
CONFIG_USBDEV_MAXPOWER=100
CONFIG_USBDEV_TRACE_INITIALIDSET=0
CONFIG_CDCACM=y
CONFIG_CDCACM_CONSOLE=y
CONFIG_CDCACM_HAVE_EPINTIN=y
CONFIG_CDCACM_EP0MAXPACKET=64
CONFIG_CDCACM_EPINTIN=1
CONFIG_CDCACM_EPINTIN_FSSIZE=64
CONFIG_CDCACM_EPBULKOUT=3
CONFIG_CDCACM_EPBULKOUT_FSSIZE=64
CONFIG_CDCACM_EPBULKIN=2
CONFIG_CDCACM_EPBULKIN_FSSIZE=64
CONFIG_CDCACM_NRDREQS=4
CONFIG_CDCACM_NWRREQS=4
CONFIG_CDCACM_BULKOUT_REQLEN=256
CONFIG_CDCACM_BULKIN_REQLEN=96
CONFIG_CDCACM_RXBUFSIZE=257
CONFIG_CDCACM_TXBUFSIZE=193
CONFIG_CDCACM_VENDORID=0x0525
CONFIG_CDCACM_PRODUCTID=0xa4a7
CONFIG_CDCACM_VENDORSTR="NuttX"
CONFIG_CDCACM_PRODUCTSTR="CDC/ACM Serial"
CONFIG_SYSLOG=y
CONFIG_SYSLOG_DEFAULT_MASK=0xff
CONFIG_SYSLOG_CRLF=y
CONFIG_SYSLOG_MAX_CHANNELS=1
CONFIG_SYSLOG_DEVPATH="/dev/ttyS1"
CONFIG_SYSLOG_DEFAULT=y
CONFIG_FS_NEPOLL_DESCRIPTORS=8
CONFIG_FS_LOCK_BUCKET_SIZE=0
CONFIG_SENDFILE_BUFSIZE=512
CONFIG_FS_BACKTRACE=0
CONFIG_FS_MQUEUE_VFS_PATH="/var/mqueue"
CONFIG_FS_MQUEUE_NPOLLWAITERS=4
CONFIG_FS_ANONMAP=y
CONFIG_FS_PROCFS=y
CONFIG_FS_PROCFS_REGISTER=y
CONFIG_NXFONTS_PACKEDMSFIRST=y
CONFIG_MM_DEFAULT_MANAGER=y
CONFIG_MM_DEFAULT_ALIGNMENT=8
CONFIG_MM_NODE_GUARDSIZE=0
CONFIG_MM_REGIONS=1
CONFIG_MM_MAP_COUNT_MAX=1024
CONFIG_MM_BACKTRACE=-1
CONFIG_MM_FREE_DELAYCOUNT_MAX=0
CONFIG_MM_HEAP_BIGGEST_COUNT=30
CONFIG_MM_HEAP_MEMPOOL_THRESHOLD=-1
CONFIG_BINFMT_ELF_RELOCATABLE=y
CONFIG_STDIO_BUFFER_SIZE=64
CONFIG_STDIO_LINEBUFFER=y
CONFIG_NUNGET_CHARS=2
CONFIG_LIBC_FLOATINGPOINT=y
CONFIG_ARCH_LOWPUTC=y
CONFIG_LIBC_RAND_ORDER=1
CONFIG_LIBC_HOMEDIR="/"
CONFIG_LIBC_TMPDIR="/tmp"
CONFIG_LIBC_MAX_TMPFILE=32
CONFIG_LIBC_MAX_EXITFUNS=0
CONFIG_POSIX_SPAWN_DEFAULT_STACKSIZE=2048
CONFIG_LIBC_HOSTNAME=""
CONFIG_LIBC_OPEN_MAX=256
CONFIG_NAME_MAX=32
CONFIG_PATH_MAX=256
CONFIG_LINE_MAX=80
CONFIG_LIBC_STRERROR_ERRNUM=y
CONFIG_LIBC_STRSIGNAL=y
CONFIG_TLS_NELEM=0
CONFIG_TLS_TASK_NELEM=0
CONFIG_TLS_NCLEANUP=0
CONFIG_LIBC_GAISTRERROR_ERRNUM=y
CONFIG_LIBC_FTOK_VFS_PATH="/var/ftok"
CONFIG_LIBC_MEMFD_ERROR=y
CONFIG_LIBC_TEMPBUFFER=y
CONFIG_LIBC_MAX_TEMPBUFFER=2
CONFIG_LIBC_TEMPBUFFER_MALLOC=y
CONFIG_LIBC_MUTEX_BACKTRACE=0
CONFIG_BUILTIN=y
CONFIG_STREAM_OUT_BUFFER_SIZE=64
CONFIG_STREAM_HEXDUMP_BUFFER_SIZE=128
CONFIG_STREAM_BASE64_BUFFER_SIZE=128
CONFIG_LIBC_INLINE_QUEUE=y
CONFIG_LIBM_TOOLCHAIN=y
CONFIG_BUILTIN_TOOLCHAIN=y
CONFIG_COVERAGE_NONE=y
CONFIG_COVERAGE_DEFAULT_PREFIX_STRIP="0"
CONFIG_COVERAGE_DEFAULT_PREFIX="/data"
CONFIG_PROFILE_NONE=y
CONFIG_EXAMPLES_HELLO=y
CONFIG_EXAMPLES_HELLO_PROGNAME="hello"
CONFIG_EXAMPLES_HELLO_PRIORITY=100
CONFIG_EXAMPLES_HELLO_STACKSIZE=2048
CONFIG_NSH_LIBRARY=y
CONFIG_NSH_PROMPT_STRING="nsh> "
CONFIG_NSH_PROMPT_MAX=32
CONFIG_NSH_PROMPT_ENV="PS1"
CONFIG_NSH_PROMPT_SUFFIX="> "
CONFIG_NSH_READLINE=y
CONFIG_NSH_MAXARGUMENTS=7
CONFIG_NSH_NESTDEPTH=3
CONFIG_NSH_ALIAS=y
CONFIG_NSH_ALIAS_MAX_AMOUNT=1
CONFIG_NSH_BUILTIN_APPS=y
CONFIG_NSH_DISABLE_LOMTD=y
CONFIG_NSH_DISABLE_MB=y
CONFIG_NSH_DISABLE_MH=y
CONFIG_NSH_DISABLE_MW=y
CONFIG_NSH_DISABLE_SHUTDOWN=y
CONFIG_NSH_DISABLE_TIMEDATECTL=y
CONFIG_NSH_CODECS_BUFSIZE=128
CONFIG_NSH_PROC_MOUNTPOINT="/proc"
CONFIG_NSH_FILEIOSIZE=1024
CONFIG_NSH_SYSINITSCRIPT="init.d/rc.sysinit"
CONFIG_NSH_INITSCRIPT="init.d/rcS"
CONFIG_NSH_SCRIPT_REDIRECT_PATH=""
CONFIG_NSH_CONSOLE=y
CONFIG_NSH_USBCONSOLE=y
CONFIG_NSH_USBCONDEV="/dev/ttyACM0"
CONFIG_USBDEV_MINOR=0
CONFIG_NSH_ARCHINIT=y
CONFIG_SYSTEM_DD=y
CONFIG_SYSTEM_DD_PROGNAME="dd"
CONFIG_SYSTEM_DD_PRIORITY=100
CONFIG_SYSTEM_DD_STACKSIZE=2048
CONFIG_SYSTEM_DD_STATS=y
CONFIG_SYSTEM_NSH=y
CONFIG_SYSTEM_NSH_PRIORITY=100
CONFIG_SYSTEM_NSH_STACKSIZE=2048
CONFIG_SYSTEM_NSH_PROGNAME="nsh"
CONFIG_SYSTEM_READLINE=y
CONFIG_READLINE_HAVE_EXTMATCH=y
CONFIG_READLINE_ECHO=y
CONFIG_READLINE_CMD_HISTORY=y
CONFIG_READLINE_CMD_HISTORY_LINELEN=80
CONFIG_READLINE_CMD_HISTORY_LEN=16
CONFIG_TESTING_OSTEST=y
CONFIG_TESTING_OSTEST_LOOPS=1
CONFIG_TESTING_OSTEST_STACKSIZE=8192
CONFIG_TESTING_OSTEST_NBARRIER_THREADS=8
CONFIG_TESTING_OSTEST_RR_RANGE=30000
CONFIG_TESTING_OSTEST_RR_RUNS=10
CONFIG_TESTING_OSTEST_FPULOOPS=16
CONFIG_TESTING_OSTEST_FPUMSDELAY=750
CONFIG_TESTING_OSTEST_FPUPRIORITY=100
CONFIG_TESTING_OSTEST_FPUSTACKSIZE=2048
CONFIG_TESTING_OSTEST_WAITRESULT=y
CONFIG_TESTING_OSTEST_SPINLOCK_THREADS=2
CONFIG_TEST_LOOP_SCALE=100
CONFIG_TESTING_GETPRIME=y
CONFIG_TESTING_GETPRIME_PROGNAME="getprime"
CONFIG_TESTING_GETPRIME_PRIORITY=50
CONFIG_TESTING_GETPRIME_STACKSIZE=2048
CONFIG_TESTING_GETPRIME_THREAD_PRIORITY=10
Host system OS:
Arch Linux Linux pastabox 6.18.7-arch1-1 #1 SMP PREEMPT_DYNAMIC Sat, 24
Jan 2026 00:47:39 +0000 x86_64
Host system PATH:
/home/linguini/coding/bin
/home/linguini/.config/custom-scripts
/home/linguini/.cargo/bin
/sbin
/bin
/usr/local/sbin
/usr/local/bin
/usr/sbin
/usr/bin
/opt/cuda/bin
/usr/lib/jvm/default/bin
/usr/bin/site_perl
/usr/bin/vendor_perl
/usr/bin/core_perl
/opt/rocm/bin
/usr/lib/rustup/bin
```
### Verification
- [x] I have verified before submitting the report.
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