1 files changed, 2 insertions, 0 deletions
diff --git a/util/oslib-posix.c b/util/oslib-posix.c
index cacf0ef5e3..80086c549f 100644
--- a/util/oslib-posix.c
+++ b/util/oslib-posix.c
@@ -530,6 +530,7 @@ void *qemu_alloc_stack(size_t *sz)
     ptr = mmap(NULL, *sz, PROT_READ | PROT_WRITE,
                MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
     if (ptr == MAP_FAILED) {
+        perror("failed to allocate memory for stack");
         abort();
     }
 
@@ -544,6 +545,7 @@ void *qemu_alloc_stack(size_t *sz)
     guardpage = ptr;
 #endif
     if (mprotect(guardpage, pagesz, PROT_NONE) != 0) {
+        perror("failed to set up stack guard page");
         abort();
     }