diff --git a/multi/imxrt-multi/Makefile b/multi/imxrt-multi/Makefile
index 3348c299..fb336ff5 100644
--- a/multi/imxrt-multi/Makefile
+++ b/multi/imxrt-multi/Makefile
@@ -8,7 +8,7 @@ NAME := imxrt-multi
 
 LOCAL_PATH := $(call my-dir)
 
-LOCAL_SRCS = imxrt-multi.c common.c uart.c gpio.c spi.c i2c.c fs.c posixsrv.c pct2075.c rtt.c
+LOCAL_SRCS = imxrt-multi.c common.c uart.c gpio.c spi.c i2c.c fs.c posixsrv.c pct2075.c rtt.c coredumpsrv.c
 ifneq ($(TARGET_SUBFAMILY), imxrt117x)
   LOCAL_SRCS += trng.c
 else
@@ -18,7 +18,13 @@ DEP_LIBS := libtty libklog libpseudodev i2c-common librtt
 LIBS := libdummyfs libklog libpseudodev libposixsrv
 LOCAL_HEADERS := imxrt-multi.h
 
-# FIXME: adapt code to array-bounds checker 
+# FIXME: adapt code to array-bounds checker
 LOCAL_CFLAGS := -Wno-array-bounds
 
+ifeq ($(COREDUMP_DISABLE),1)
+	LOCAL_CFLAGS += -DBUILTIN_COREDUMPSRV=0
+else
+	LIBS += libcoredumpsrv
+endif
+
 include $(binary.mk)
diff --git a/multi/imxrt-multi/config.h b/multi/imxrt-multi/config.h
index b07bfc46..66cec270 100644
--- a/multi/imxrt-multi/config.h
+++ b/multi/imxrt-multi/config.h
@@ -1436,6 +1436,11 @@
 #error "BUILTIN_POSIXSRV must have a value of 0, 1, or be undefined"
 #endif
 
+/* libcoredumpsrv */
+#ifndef BUILTIN_COREDUMPSRV
+#define BUILTIN_COREDUMPSRV 1
+#endif
+
 
 /* Pseudodev */
 
diff --git a/multi/imxrt-multi/coredumpsrv.c b/multi/imxrt-multi/coredumpsrv.c
new file mode 100644
index 00000000..6d9d04bd
--- /dev/null
+++ b/multi/imxrt-multi/coredumpsrv.c
@@ -0,0 +1,90 @@
+/*
+ * Phoenix-RTOS
+ *
+ * i.MX RT builtin coredump server (libcoredumpsrv)
+ *
+ * Copyright 2025 Phoenix Systems
+ * Author: Jakub Klimek
+ *
+ * This file is part of Phoenix-RTOS.
+ *
+ * %LICENSE%
+ */
+
+#include "config.h"
+
+#if BUILTIN_COREDUMPSRV
+
+#include <coredump.h>
+#include <sys/threads.h>
+
+#ifndef COREDUMPSRV_PRIO
+#define COREDUMPSRV_PRIO 4
+#endif
+
+#ifndef COREDUMP_MAX_THREADS
+#define COREDUMP_MAX_THREADS 4
+#endif
+
+#ifndef COREDUMP_MAX_STACK_SIZE
+#define COREDUMP_MAX_STACK_SIZE 0
+#endif
+
+#ifndef COREDUMP_MEM_SCOPE
+#define COREDUMP_MEM_SCOPE COREDUMP_MEM_ALL_STACKS
+#endif
+
+#ifndef COREDUMP_FP_CONTEXT
+#define COREDUMP_FP_CONTEXT 0
+#endif
+
+#ifndef COREDUMP_MAX_MEM_CHUNK
+#define COREDUMP_MAX_MEM_CHUNK 0
+#endif
+
+#ifndef COREDUMP_PRINT
+#define COREDUMP_PRINT 1
+#endif
+
+#ifndef COREDUMP_PRINT_SLEEP
+#define COREDUMP_PRINT_SLEEP 10 * 1000 /* 10ms */
+#endif
+
+#ifndef COREDUMP_SAVEPATH
+#define COREDUMP_SAVEPATH "/coredumps"
+#endif
+
+#ifndef COREDUMP_MAX_FILES
+#define COREDUMP_MAX_FILES 0
+#endif
+
+
+static struct {
+	char stack[_PAGE_SIZE];
+	coredump_opts_t opts;
+} coredumpsrv_common;
+
+
+static void coredumpsrv_thr(void *arg)
+{
+	coredumpsrv_common.opts = (coredump_opts_t) {
+		.maxThreads = COREDUMP_MAX_THREADS,
+		.maxStackSize = COREDUMP_MAX_STACK_SIZE,
+		.memScope = COREDUMP_MEM_SCOPE,
+		.fpContext = COREDUMP_FP_CONTEXT,
+		.maxMemChunk = COREDUMP_MAX_MEM_CHUNK,
+		.print = COREDUMP_PRINT,
+		.printSleep = COREDUMP_PRINT_SLEEP,
+		.savepath = COREDUMP_SAVEPATH,
+		.maxFiles = COREDUMP_MAX_FILES,
+	};
+	coredump_serverthr(&coredumpsrv_common.opts);
+}
+
+
+int coredumpsrv_start(void)
+{
+	return beginthread(coredumpsrv_thr, COREDUMPSRV_PRIO, coredumpsrv_common.stack, sizeof(coredumpsrv_common.stack), NULL);
+}
+
+#endif
diff --git a/multi/imxrt-multi/imxrt-multi.c b/multi/imxrt-multi/imxrt-multi.c
index 531bdeaf..23deb6bd 100644
--- a/multi/imxrt-multi/imxrt-multi.c
+++ b/multi/imxrt-multi/imxrt-multi.c
@@ -571,6 +571,11 @@ extern int posixsrv_start(void);
 #endif
 
 
+#if BUILTIN_COREDUMPSRV
+extern int coredumpsrv_start(void);
+#endif
+
+
 int main(void)
 {
 	int i;
@@ -620,6 +625,10 @@ int main(void)
 	posixsrv_start();
 #endif
 
+#if BUILTIN_COREDUMPSRV
+	coredumpsrv_start();
+#endif
+
 #if PSEUDODEV
 	pseudo_init();
 #endif
diff --git a/multi/stm32l4-multi/Makefile b/multi/stm32l4-multi/Makefile
index b20b6fc3..fe23afb5 100644
--- a/multi/stm32l4-multi/Makefile
+++ b/multi/stm32l4-multi/Makefile
@@ -8,7 +8,7 @@ LOCAL_PATH := $(call my-dir)
 
 NAME := stm32l4-multi
 
-LOCAL_SRCS = fs.c gpio.c i2c.c posixsrv.c rng.c rtc.c spi.c stm32l4-multi.c tty.c uart.c
+LOCAL_SRCS = fs.c gpio.c i2c.c posixsrv.c rng.c rtc.c spi.c stm32l4-multi.c tty.c uart.c coredumpsrv.c
 ifeq ($(TARGET_SUBFAMILY),stm32l4x6)
   LOCAL_CFLAGS += -DMULTIDRV_STACKSZ=640
   LOCAL_SRCS += adc_l4.c exti_l4.c flash.c rcc_l4.c
@@ -21,4 +21,10 @@ LOCAL_HEADERS := stm32l4-multi.h
 DEP_LIBS := libstm32l4-multi libtty libklog
 LIBS := libdummyfs libklog libposixsrv
 
+ifeq ($(COREDUMP_DISABLE),1)
+	LOCAL_CFLAGS += -DBUILTIN_COREDUMPSRV=0
+else
+	LIBS += libcoredumpsrv
+endif
+
 include $(binary.mk)
diff --git a/multi/stm32l4-multi/config.h b/multi/stm32l4-multi/config.h
index d1ab1569..6bea72f5 100644
--- a/multi/stm32l4-multi/config.h
+++ b/multi/stm32l4-multi/config.h
@@ -488,5 +488,10 @@
 #define BUILTIN_POSIXSRV 0
 #endif
 
+/* libcoredumpsrv */
+#ifndef BUILTIN_COREDUMPSRV
+#define BUILTIN_COREDUMPSRV 1
+#endif
+
 
 #endif
diff --git a/multi/stm32l4-multi/coredumpsrv.c b/multi/stm32l4-multi/coredumpsrv.c
new file mode 100644
index 00000000..9c9eddb4
--- /dev/null
+++ b/multi/stm32l4-multi/coredumpsrv.c
@@ -0,0 +1,90 @@
+/*
+ * Phoenix-RTOS
+ *
+ * STM32L4 builtin coredump server (libcoredumpsrv)
+ *
+ * Copyright 2025 Phoenix Systems
+ * Author: Jakub Klimek
+ *
+ * This file is part of Phoenix-RTOS.
+ *
+ * %LICENSE%
+ */
+
+#include "config.h"
+
+#if BUILTIN_COREDUMPSRV
+
+#include <coredump.h>
+#include <sys/threads.h>
+
+#ifndef COREDUMPSRV_PRIO
+#define COREDUMPSRV_PRIO 4
+#endif
+
+#ifndef COREDUMP_MAX_THREADS
+#define COREDUMP_MAX_THREADS 4
+#endif
+
+#ifndef COREDUMP_MAX_STACK_SIZE
+#define COREDUMP_MAX_STACK_SIZE 0
+#endif
+
+#ifndef COREDUMP_MEM_SCOPE
+#define COREDUMP_MEM_SCOPE COREDUMP_MEM_ALL_STACKS
+#endif
+
+#ifndef COREDUMP_FP_CONTEXT
+#define COREDUMP_FP_CONTEXT 0
+#endif
+
+#ifndef COREDUMP_MAX_MEM_CHUNK
+#define COREDUMP_MAX_MEM_CHUNK 0
+#endif
+
+#ifndef COREDUMP_PRINT
+#define COREDUMP_PRINT 1
+#endif
+
+#ifndef COREDUMP_PRINT_SLEEP
+#define COREDUMP_PRINT_SLEEP 10 * 1000 /* 10ms */
+#endif
+
+#ifndef COREDUMP_SAVEPATH
+#define COREDUMP_SAVEPATH "/coredumps"
+#endif
+
+#ifndef COREDUMP_MAX_FILES
+#define COREDUMP_MAX_FILES 0
+#endif
+
+
+static struct {
+	char stack[_PAGE_SIZE];
+	coredump_opts_t opts;
+} coredumpsrv_common;
+
+
+static void coredumpsrv_thr(void *arg)
+{
+	coredumpsrv_common.opts = (coredump_opts_t) {
+		.maxThreads = COREDUMP_MAX_THREADS,
+		.maxStackSize = COREDUMP_MAX_STACK_SIZE,
+		.memScope = COREDUMP_MEM_SCOPE,
+		.fpContext = COREDUMP_FP_CONTEXT,
+		.maxMemChunk = COREDUMP_MAX_MEM_CHUNK,
+		.print = COREDUMP_PRINT,
+		.printSleep = COREDUMP_PRINT_SLEEP,
+		.savepath = COREDUMP_SAVEPATH,
+		.maxFiles = COREDUMP_MAX_FILES,
+	};
+	coredump_serverthr(&coredumpsrv_common.opts);
+}
+
+
+int coredumpsrv_start(void)
+{
+	return beginthread(coredumpsrv_thr, COREDUMPSRV_PRIO, coredumpsrv_common.stack, sizeof(coredumpsrv_common.stack), NULL);
+}
+
+#endif
diff --git a/multi/stm32l4-multi/stm32l4-multi.c b/multi/stm32l4-multi/stm32l4-multi.c
index d8cf8161..8bbfbb41 100644
--- a/multi/stm32l4-multi/stm32l4-multi.c
+++ b/multi/stm32l4-multi/stm32l4-multi.c
@@ -355,6 +355,11 @@ extern int posixsrv_start(void);
 #endif
 
 
+#if BUILTIN_COREDUMPSRV
+extern int coredumpsrv_start(void);
+#endif
+
+
 int main(void)
 {
 	int i;
@@ -394,6 +399,10 @@ int main(void)
 	pwm_init();
 #endif
 
+#if BUILTIN_COREDUMPSRV
+	coredumpsrv_start();
+#endif
+
 	/* Do this after klog init to keep shell from overtaking klog */
 
 #if CONSOLE_IS_TTY