...

tools/utils/shm/shm.go

@@ -97,7 +97,7 @@ func truncate_or_unlink(ans *os.File, size uint64) (err error) {
 	sz := int64(size)
 	if err = Fallocate_simple(fd, sz); err != nil {
 		if !errors.Is(err, errors.ErrUnsupported) {
-			return err
+			return fmt.Errorf("fallocate() failed on fd from shm_open(%s) with size: %d with error: %w", ans.Name(), size, err)
 		}
 		for {
 			err = unix.Ftruncate(fd, sz)