X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;f=Build.c;h=4338e190d9270ee0e990ad6b20aa53ca9255f817;hb=08ca2adffffeb3bfda3cafababfc26706a60463b;hp=cb9f01e33264376e63be43c2efd8da1672c96461;hpb=88b496c2697ed531ffecf2f8ced76f437297e5fe;p=thirdparty%2Fmdadm.git

diff --git a/Build.c b/Build.c
index cb9f01e3..4338e190 100644
--- a/Build.c
+++ b/Build.c
@@ -254,6 +254,10 @@ int Build(char *mddev, int chunk, int level, int layout,
 		if (ioctl(mdfd, RUN_ARRAY, &param)) {
 			fprintf(stderr, Name ": RUN_ARRAY failed: %s\n",
 				strerror(errno));
+			if (chunk & (chunk-1)) {
+				fprintf(stderr, "     : Problem may be that chunk size"
+					" is not a power of 2\n");
+			}
 			goto abort;
 		}
 	} else {