Patch to fix O_DIRECT-related bug on 2.4 kernels. Apply with:

cd /usr/src/evms-2.0.1/
patch -p1 < localdskmgr.c.patch

--- evms-2.0.1a/plugins/disk/localdskmgr.c	2003-04-25 16:46:07.000000000 -0500
+++ evms-2.0.1b/plugins/disk/localdskmgr.c	2003-06-16 10:29:12.000000000 -0500
@@ -999,10 +999,10 @@
 	}
 
 	/* Grab the hard-sector-size. */
-	hss = ld->geometry.bytes_per_sector;
-	if (version_2_4 && hss < 1024) {
-		/* For O_DIRECT */
-		hss = 1024;
+	if (version_2_4) {
+		hss = ld->geometry.block_size;
+	} else {
+		hss = ld->geometry.bytes_per_sector;
 	}
 
 	/* Round down starting offset to hard-sector-size. */
@@ -1122,10 +1122,10 @@
 	}
 
 	/* Grab the hard-sector-size. */
-	hss = ld->geometry.bytes_per_sector;
-	if (version_2_4 && hss < 1024) {
-		/* For O_DIRECT */
-		hss = 1024;
+	if (version_2_4) {
+		hss = ld->geometry.bytes_per_sector;
+	} else {
+		hss = ld->geometry.block_size;
 	}
 
 	/* Round down starting offset to hard-sector-size. */