diff --git a/boards/xtensa/esp32/esp32-core/configs/nsh/defconfig b/boards/xtensa/esp32/esp32-core/configs/nsh/defconfig
index 02b0bee78ff..5548ddec1c8 100644
--- a/boards/xtensa/esp32/esp32-core/configs/nsh/defconfig
+++ b/boards/xtensa/esp32/esp32-core/configs/nsh/defconfig
@@ -23,6 +23,7 @@ CONFIG_EXPERIMENTAL=y
 CONFIG_FS_PROCFS=y
 CONFIG_HAVE_CXX=y
 CONFIG_HAVE_CXXINITIALIZE=y
+CONFIG_IDLETHREAD_STACKSIZE=3072
 CONFIG_INTELHEX_BINARY=y
 CONFIG_MAX_TASKS=16
 CONFIG_MAX_WDOGPARMS=2
diff --git a/boards/xtensa/esp32/esp32-core/configs/smp/defconfig b/boards/xtensa/esp32/esp32-core/configs/smp/defconfig
index 1b1d1e03af9..2c45e04560b 100644
--- a/boards/xtensa/esp32/esp32-core/configs/smp/defconfig
+++ b/boards/xtensa/esp32/esp32-core/configs/smp/defconfig
@@ -26,6 +26,7 @@ CONFIG_EXPERIMENTAL=y
 CONFIG_FS_PROCFS=y
 CONFIG_HAVE_CXX=y
 CONFIG_HAVE_CXXINITIALIZE=y
+CONFIG_IDLETHREAD_STACKSIZE=3072
 CONFIG_INTELHEX_BINARY=y
 CONFIG_MAX_TASKS=16
 CONFIG_MAX_WDOGPARMS=2
@@ -34,7 +35,6 @@ CONFIG_NFILE_DESCRIPTORS=8
 CONFIG_NFILE_STREAMS=8
 CONFIG_NSH_ARCHINIT=y
 CONFIG_NSH_BUILTIN_APPS=y
-CONFIG_NSH_READLINE=y
 CONFIG_NSH_FILEIOSIZE=512
 CONFIG_NSH_LINELEN=64
 CONFIG_NSH_READLINE=y
@@ -43,14 +43,15 @@ CONFIG_PREALLOC_TIMERS=4
 CONFIG_PREALLOC_WDOGS=16
 CONFIG_RAM_SIZE=114688
 CONFIG_RAM_START=0x20000000
-CONFIG_READLINE_CMD_HISTORY=y
 CONFIG_RAW_BINARY=y
+CONFIG_READLINE_CMD_HISTORY=y
 CONFIG_RR_INTERVAL=200
 CONFIG_SCHED_INSTRUMENTATION=y
 CONFIG_SCHED_INSTRUMENTATION_BUFFER=y
 CONFIG_SCHED_WAITPID=y
 CONFIG_SDCLONE_DISABLE=y
 CONFIG_SMP=y
+CONFIG_SMP_IDLETHREAD_STACKSIZE=3072
 CONFIG_SMP_NCPUS=2
 CONFIG_SPI=y
 CONFIG_SPINLOCK_IRQ=y