diff --git a/src/sysboost_loader/binfmt_rto_604.c b/src/sysboost_loader/binfmt_rto_604.c
index d30ae570871174d1cba72c0ca5780d82338702c3..728938af824b5cab4a8c56edd682c895a367eead 100644
--- a/src/sysboost_loader/binfmt_rto_604.c
+++ b/src/sysboost_loader/binfmt_rto_604.c
@@ -1407,7 +1407,7 @@ out_free_interp:
 		unsigned long alignment;
 #ifdef CONFIG_ELF_SYSBOOST
 		unsigned long size, off;
-		bool is_exec_seg = elf_ppnt->p_flags & PF_X;
+		bool is_exec_seg = !(elf_ppnt->p_flags & PF_W);
 #endif
 
 		if (elf_ppnt->p_type != PT_LOAD)
@@ -1567,9 +1567,11 @@ out_free_interp:
 			size = elf_ppnt->p_filesz + ELF_HPAGEOFFSET(elf_ppnt->p_vaddr);
 			off = elf_ppnt->p_offset - ELF_HPAGEOFFSET(elf_ppnt->p_vaddr);
 			size = ELF_HPAGEALIGN(size);
-			if (debug)
+			if (debug) {
+				pr_info("loaded_seg: %pK\n", loaded_seg);
 				pr_info("elf_map vaddr: 0x%lx, off: 0x%lx, size: 0x%lx\n",
 					error, off, size);
+			}
 			if (is_exec_seg)
 				rto_populate(bprm->file, error, off, size, loaded_seg);
 		}
diff --git a/src/sysboost_loader/loader_device.c b/src/sysboost_loader/loader_device.c
index 812158d2a68afb6faca2168f5dce426987e3e944..eb4327039ae733d262f07a53aa77c30fd1c7bc7f 100644
--- a/src/sysboost_loader/loader_device.c
+++ b/src/sysboost_loader/loader_device.c
@@ -51,7 +51,10 @@ static int load_seg(struct file *file, struct loaded_rto *loaded_rto,
 	loaded_seg = loaded_seg_alloc(inode);
 	if (!loaded_seg)
 		return -ENOMEM;
-	
+
+	if (debug) {
+		pr_info("loading segment %pK\n", loaded_seg);
+	}
 	for (; pos < end; ) {
 		page = alloc_pages(GFP_KERNEL | __GFP_ZERO | __GFP_COMP, HUGETLB_PAGE_ORDER);
 		if (!page) {
@@ -82,8 +85,8 @@ static int load_seg(struct file *file, struct loaded_rto *loaded_rto,
 		// if (loaded_rto->segs.next == &loaded_rto->segs || 
 		// 		loaded_seg->hpages.next == &loaded_seg->hpages) {
 			list_add_tail(&page->lru, &loaded_seg->hpages);
-			pr_info("load_seg: load 1 hpage: 0x%pK\n",
-				page);
+			if (debug)
+				pr_info("load_seg: load 1 hpage: 0x%pK\n", page);
 		// }
 	}
 
@@ -172,9 +175,11 @@ static int preload_rto(struct file *file)
 
 	rto_file = try_get_rto_file(file);
 	if (IS_ERR(rto_file)) {
-		pr_info("%s: try_get_rto_file fail\n", __func__);
+		pr_info("%s: try_get_rto_file %s fail\n", __func__, FILE_TO_NAME(file));
 		return -ENOENT;
 	}
+	if (debug)
+		pr_info("loading file %s\n", FILE_TO_NAME(rto_file))
 
 	loaded_rto = loaded_rto_alloc(inode);
 	if (!loaded_rto) {