diff --git a/.gitignore b/.gitignore
index 5099253..98da8a3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 *.elf
+main
diff --git a/main.c b/main.c
index f04bdad..95d7556 100644
--- a/main.c
+++ b/main.c
@@ -93,10 +93,12 @@ int main(int argc, char **argv) {
 OddBlock *block_init(uint64_t start) {
   OddBlock *blk = calloc(1, sizeof(OddBlock));
   if (blk == NULL) {
+    printf("Failed to allocate a new block: %zd\n", start);
     n_allocs_failed++;
     return NULL;
   }
   if ((blk->block = malloc(0x1000000)) == NULL) {
+    printf("Failed to allocate a new block contents: %zd\n", start);
     free(blk);
     n_allocs_failed++;
     return NULL;