diff --git a/.gitignore b/.gitignore
index 3c6f9cc7..6e7ad76b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -387,4 +387,6 @@ dreamcast/aud2adpcm*
 dreamcast/repack-data
 dreamcast/output.map
 dreamcast/dca3.ds.iso
+dreamcast/git-version.h
+dreamcast/git-version.tmp
 .DS_Store
diff --git a/dreamcast/Makefile b/dreamcast/Makefile
index 0617a240..3637ec43 100644
--- a/dreamcast/Makefile
+++ b/dreamcast/Makefile
@@ -6,6 +6,8 @@
 # Put the filename of the output binary here
 PROJECT_NAME = dca3
 TARGET ?= dca3.elf
+GIT_VERSION := $(shell git describe --always --tags --long --dirty 2>/dev/null || echo "NO_GIT")
+CI_JOB_ID ?= NO_CI
 
 HAVE_CDI4DC := $(shell which cdi4dc > /dev/null 2>&1 && echo "yes" || echo "no")
 IS_MAC := $(shell uname -s | grep -i "darwin" > /dev/null && echo "yes" || echo "no")
@@ -100,6 +102,25 @@ OBJS_NO_FAST_MATH = \
 KOS_CPPFLAGS += -fbuiltin -ffast-math -ffp-contract=fast \
 	-mfsrra -mfsca
 
+git-version.tmp:
+	@echo "Generating git-version.tmp with GIT_VERSION = \"$(GIT_VERSION)\""
+	@echo "#pragma once" > git-version.tmp
+	@echo "#ifndef VERSION_H" >> git-version.tmp
+	@echo "#define VERSION_H" >> git-version.tmp
+	@echo "#define GIT_VERSION \"$(GIT_VERSION)\"" >> git-version.tmp
+	@echo "#define CI_JOB_ID \"$(CI_JOB_ID)\"" >> git-version.tmp
+	@echo "#endif // VERSION_H" >> git-version.tmp
+
+git-version.h: git-version.tmp
+	@if [ ! -f git-version.h ] || ! cmp -s git-version.tmp git-version.h; then \
+	  echo "Updating git-version.h"; \
+	  cp git-version.tmp git-version.h; \
+    else \
+	  echo "git-version.h is up to date. No change."; \
+	fi
+
+../src/skel/dc/dc.cpp: git-version.h
+
 # The rm-elf step is to remove the target before building, to force the
 # re-creation of the rom disk.
 all: $(TARGET)
@@ -157,7 +178,7 @@ $(OBJS_NO_FAST_MATH): %.o: %.cpp
 
 $(TARGET): $(OBJS)
 	kos-c++ -o $(TARGET) $(OBJS) -Wl,--gc-sections -Wl,--as-needed -Wl,-Map,output.map \
-		-flto=auto $(if $(WITH_IDE),-lkosfat) $(if $(WITH_SD),-lkosfat)
+		-flto=auto $(if $(WITH_IDE),-lkosfat) $(if $(WITH_SD),-lkosfat) -Wl,--build-id=sha1 
 	@echo && echo && echo "*** Build Completed Successfully ***" && echo && echo
 
 run: $(TARGET)
@@ -173,7 +194,7 @@ $(REPACK_GTA_DIR)/GTA3SF8.b: GTA3SF8.b
 	kos-objcopy -R .stack -O binary $(TARGET) $(TARGET).bin
 	$(KOS_BASE)/utils/scramble/scramble $(TARGET).bin 1ST_READ.BIN
 
-.PHONY: pvrtex
+.PHONY: pvrtex git-version.tmp
 
 pvrtex:
 	$(MAKE) -C ./pvrtex
@@ -355,6 +376,7 @@ STREAM_WAV_DECODED = $(addprefix $(REPACK_STREAM_DECODED_DIR)/, $(STREAM_WAV))
 
 $(REPACK_DIR)/repacked: $(REPACK_GTA_DIR)/models/gta3.img $(REPACK_GTA_DIR)/models/gta3.dir $(LOOSE_FILES_DC) $(STREAM_ADPCM_DC) $(SFX_DC_RAW) $(SFX_DC_DSC)
 	mkdir -p $(@D)
+	@git archive --format zip --output "$(REPACK_GTA_DIR)/DCA3-$(GIT_VERSION).zip" HEAD
 	@touch $@
 	@echo && echo && echo "*** Repack Completed Successfully ***" && echo && echo
  
diff --git a/src/core/re3.cpp b/src/core/re3.cpp
index cf5036a7..0a1f8629 100644
--- a/src/core/re3.cpp
+++ b/src/core/re3.cpp
@@ -1196,8 +1196,8 @@ void re3_assert(const char *expr, const char *filename, unsigned int lineno, con
 	stacktrace();
     dbgio_dev_select("fb");
 	sleep(1);
-	dbgio_printf("RE3 ASSERT FAILED\n\tFile: %s\n\tLine: %d\n\tFunction: %s\n\tExpression: %s\n",filename,lineno,func,expr);
-	dbgio_printf("POSIX error (may not be relevant): %s\n", strerror(errno));
+	dbglog(DBG_CRITICAL, "RE3 ASSERT FAILED\n\tFile: %s\n\tLine: %d\n\tFunction: %s\n\tExpression: %s\n",filename,lineno,func,expr);
+	dbglog(DBG_CRITICAL, "POSIX error (may not be relevant): %s\n", strerror(errno));
 	stacktrace();
 	dbgio_flush();
 	abort();
diff --git a/src/skel/dc/dc.cpp b/src/skel/dc/dc.cpp
index b3c8ac38..c0a33f46 100644
--- a/src/skel/dc/dc.cpp
+++ b/src/skel/dc/dc.cpp
@@ -62,6 +62,8 @@ long _dwOperatingSystemVersion;
 #include "AnimViewer.h"
 #include "Font.h"
 #include "MemoryMgr.h"
+#include "../../dreamcast/git-version.h"
+#include "dc.h"
 
 // This is defined on project-level, via premake5 or cmake
 #ifdef GET_KEYBOARD_INPUT_FROM_X11
@@ -1977,13 +1979,14 @@ __attribute__((noinline)) void stacktrace() {
 		: "+r" (sp), "+r" (pr)
 		:
 		: );
-	dbgio_printf("Stack trace: %p ", (void*)pr);
+	dbglog(DBG_CRITICAL, "DCA3: %s\n", getExecutableTag());
+	dbglog(DBG_CRITICAL, "Stack trace: %p ", (void*)pr);
 	int found = 0;
 	if(!(sp & 3) && sp > 0x8c000000 && sp < _arch_mem_top) {
 		char** sp_ptr = (char**)sp;
 		for (int so = 0; so < 16384; so++) {
 			if (uintptr_t(&sp_ptr[so]) >= _arch_mem_top) {
-				dbgio_printf("(@@%p) ", &sp_ptr[so]);
+				dbglog(DBG_CRITICAL, "(@@%p) ", &sp_ptr[so]);
 				break;
 			}
 			if (sp_ptr[so] > (char*)0x8c000000 && sp_ptr[so] < etext) {
@@ -1999,9 +2002,9 @@ __attribute__((noinline)) void stacktrace() {
 				uint16_t instr = instrp[-2];
 				// BSR or BSRF or JSR @Rn ?
 				if (((instr & 0xf000) == 0xB000) || ((instr & 0xf0ff) == 0x0003) || ((instr & 0xf0ff) == 0x400B)) {
-					dbgio_printf("%p ", instrp);
+					dbglog(DBG_CRITICAL, "%p ", instrp);
 					if (found++ > 24) {
-						dbgio_printf("(@%p) ", &sp_ptr[so]);
+						dbglog(DBG_CRITICAL, "(@%p) ", &sp_ptr[so]);
 						break;
 					}
 				} else {
@@ -2011,15 +2014,83 @@ __attribute__((noinline)) void stacktrace() {
 				// dbglog(DBG_CRITICAL, "Stack trace: %p (@%p): out of range\n", (void*)sp_ptr[so], &sp_ptr[so]);
 			}
 		}
-		dbgio_printf("end\n");
+		dbglog(DBG_CRITICAL, "end\n");
 	} else {
-		dbgio_printf("(@%p)\n", (void*)sp);
+		dbglog(DBG_CRITICAL, "(@%p)\n", (void*)sp);
 	}
 }
+
+#include <cstdint>
+#include <cstdio>
+#include <string>
+#include <iomanip>
+#include <sstream>
+
+extern "C" {
+    extern const unsigned char _build_id_start[];
+    extern const unsigned char _build_id_end[];
+}
+
+std::string getBuildId()
+{
+    // Pointer to the start of the .note.gnu.build-id section
+    const unsigned char *p = _build_id_start;
+
+    // Parse the ELF note header
+    struct NoteHeader {
+        uint32_t n_namesz;
+        uint32_t n_descsz;
+        uint32_t n_type;
+    };
+    
+    // Read header fields (be careful with endianness if needed)
+    const auto* note = reinterpret_cast<const NoteHeader*>(p);
+
+    // Move p beyond the note header
+    p += sizeof(NoteHeader);
+
+    // Skip the "name" field + alignment (e.g. "GNU\0")
+    // name is note->n_namesz bytes, then align up to 4 bytes
+    auto nameBytes = (note->n_namesz + 3u) & ~3u;
+    p += nameBytes;
+
+    // Now p should point to the actual build-id bytes, which are note->n_descsz in length.
+    const unsigned char* buildId = p;
+    auto buildIdSize = note->n_descsz;
+
+    // Convert it to a hex string
+    std::ostringstream oss;
+    oss << std::hex << std::setfill('0');
+    for (uint32_t i = 0; i < buildIdSize; i++) {
+        oss << std::setw(2) << static_cast<unsigned>(buildId[i]);
+    }
+
+    return oss.str();
+}
+#else
+std::string getBuildId() {
+	return "non-dreamcast-build";
+}
 #endif
+
+const char* getSourceId() {
+	return GIT_VERSION;
+}
+
+const char* getCIJobId() {
+	return CI_JOB_ID;
+}
+
+static std::string executableTag = getBuildId() + ":" + getSourceId() + ":" + getCIJobId();
+
+const char* getExecutableTag() {
+	return executableTag.c_str();
+}
+
 int
 main(int argc, char *argv[])
 {
+	dbglog(DBG_CRITICAL, "DCA3: %s\n", getExecutableTag());
 	#if !defined(DC_SIM)
 	std::set_terminate([]() {
 		fflush(stdout);
@@ -2029,8 +2100,8 @@ main(int argc, char *argv[])
 		stacktrace();
 		dbgio_dev_select("fb");
 		sleep(1);
-		dbgio_printf("std::terminate() called\n");
-		dbgio_printf("POSIX error (may not be relevant): %s\n", strerror(errno));
+		dbglog(DBG_CRITICAL, "std::terminate() called\n");
+		dbglog(DBG_CRITICAL, "POSIX error (may not be relevant): %s\n", strerror(errno));
 		stacktrace();
 		dbgio_flush();
 
diff --git a/src/skel/dc/dc.h b/src/skel/dc/dc.h
new file mode 100644
index 00000000..a843f115
--- /dev/null
+++ b/src/skel/dc/dc.h
@@ -0,0 +1,7 @@
+#pragma once
+#include <string>
+
+std::string getBuildId();
+const char* getSourceId();
+const char* getCIJobId();
+const char* getExecutableTag();
\ No newline at end of file
diff --git a/vendor/dca3-kos b/vendor/dca3-kos
index 0b2de922..397acb31 160000
--- a/vendor/dca3-kos
+++ b/vendor/dca3-kos
@@ -1 +1 @@
-Subproject commit 0b2de9228be7debb7f5d37ecf6341a9a78bbf3af
+Subproject commit 397acb31b1bdd702344081caccd0865fec21332b