diff --git a/br-ext-chip-hisilicon/board/hi3516ev200/hi3516ev300.generic.config b/br-ext-chip-hisilicon/board/hi3516ev200/hi3516ev300.generic.config
index f6e34e610..114bd9991 100644
--- a/br-ext-chip-hisilicon/board/hi3516ev200/hi3516ev300.generic.config
+++ b/br-ext-chip-hisilicon/board/hi3516ev200/hi3516ev300.generic.config
@@ -115,12 +115,12 @@ CONFIG_NAMESPACES=y
 # CONFIG_RELAY is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_INITRAMFS_SOURCE=""
-CONFIG_RD_GZIP=y
-CONFIG_RD_BZIP2=y
-CONFIG_RD_LZMA=y
+# CONFIG_RD_GZIP is not set
+# CONFIG_RD_BZIP2 is not set
+# CONFIG_RD_LZMA is not set
 CONFIG_RD_XZ=y
-CONFIG_RD_LZO=y
-CONFIG_RD_LZ4=y
+# CONFIG_RD_LZO is not set
+# CONFIG_RD_LZ4 is not set
 # CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE is not set
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_SYSCTL=y
@@ -134,7 +134,7 @@ CONFIG_MULTIUSER=y
 CONFIG_SYSFS_SYSCALL=y
 # CONFIG_SYSCTL_SYSCALL is not set
 CONFIG_KALLSYMS=y
-# CONFIG_KALLSYMS_ALL is not set
+CONFIG_KALLSYMS_ALL=y
 # CONFIG_KALLSYMS_ABSOLUTE_PERCPU is not set
 CONFIG_KALLSYMS_BASE_RELATIVE=y
 CONFIG_PRINTK=y
@@ -162,7 +162,7 @@ CONFIG_PERF_USE_VMALLOC=y
 #
 # CONFIG_PERF_EVENTS is not set
 CONFIG_VM_EVENT_COUNTERS=y
-CONFIG_SLUB_DEBUG=y
+# CONFIG_SLUB_DEBUG is not set
 CONFIG_COMPAT_BRK=y
 # CONFIG_SLAB is not set
 CONFIG_SLUB=y
@@ -170,7 +170,7 @@ CONFIG_SLUB=y
 # CONFIG_SYSTEM_DATA_VERIFICATION is not set
 # CONFIG_PROFILING is not set
 CONFIG_HAVE_OPROFILE=y
-# CONFIG_KPROBES is not set
+CONFIG_KPROBES=y
 # CONFIG_JUMP_LABEL is not set
 # CONFIG_UPROBES is not set
 # CONFIG_HAVE_64BIT_ALIGNED_ACCESS is not set
@@ -2532,7 +2532,7 @@ CONFIG_FRAME_WARN=1024
 # CONFIG_READABLE_ASM is not set
 # CONFIG_UNUSED_SYMBOLS is not set
 # CONFIG_PAGE_OWNER is not set
-# CONFIG_DEBUG_FS is not set
+CONFIG_DEBUG_FS=y
 # CONFIG_HEADERS_CHECK is not set
 # CONFIG_DEBUG_SECTION_MISMATCH is not set
 CONFIG_SECTION_MISMATCH_WARN_ONLY=y
@@ -2555,7 +2555,7 @@ CONFIG_HAVE_DEBUG_KMEMLEAK=y
 # CONFIG_DEBUG_KMEMLEAK is not set
 # CONFIG_DEBUG_STACK_USAGE is not set
 # CONFIG_DEBUG_VM is not set
-CONFIG_DEBUG_MEMORY_INIT=y
+# CONFIG_DEBUG_MEMORY_INIT is not set
 # CONFIG_DEBUG_SHIRQ is not set
 
 #
@@ -2579,7 +2579,7 @@ CONFIG_PANIC_TIMEOUT=0
 #
 # CONFIG_DEBUG_RT_MUTEXES is not set
 # CONFIG_DEBUG_SPINLOCK is not set
-CONFIG_DEBUG_MUTEXES=y
+# CONFIG_DEBUG_MUTEXES is not set
 # CONFIG_DEBUG_WW_MUTEX_SLOWPATH is not set
 # CONFIG_DEBUG_LOCK_ALLOC is not set
 # CONFIG_PROVE_LOCKING is not set
@@ -2618,7 +2618,7 @@ CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
 CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
 CONFIG_HAVE_C_RECORDMCOUNT=y
 CONFIG_TRACING_SUPPORT=y
-# CONFIG_FTRACE is not set
+CONFIG_FTRACE=y
 
 #
 # Runtime Testing
diff --git a/general/overlay/etc/init.d/S29debugfs b/general/overlay/etc/init.d/S29debugfs
new file mode 100755
index 000000000..6a0d55250
--- /dev/null
+++ b/general/overlay/etc/init.d/S29debugfs
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+case "$1" in
+	start)
+		if grep -q debugfs /proc/filesystems; then
+			echo "Mounting debugfs..."
+			mount -t debugfs none /sys/kernel/debug
+		fi
+		;;
+
+	stop)
+		if mountpoint -q /sys/kernel/debug 2>/dev/null; then
+			umount /sys/kernel/debug
+		fi
+		;;
+
+	*)
+		echo "Usage: $0 {start|stop}"
+		exit 1
+		;;
+esac