In pv_read_metadata(), removing comparison between data_location->mda_start
and pe_start. When a PV is converted from LVM1 format to LVM2 format using the
LVM2 tools, this comparison isn't guaranteed to hold.

Apply with:
cd /usr/src/evms-2.4.1/
patch -p1 < lvm2_metadata.c.patch
make install

--- evms-2.4.1a/plugins/lvm2/metadata.c	4 Oct 2004 16:53:09 -0000
+++ evms-2.4.1b/plugins/lvm2/metadata.c	8 Nov 2004 22:20:42 -0000
@@ -1011,7 +1011,7 @@
 {
 	void *label_buffer = NULL, *mda_buffer = NULL;
 	list_anchor_t data_locations = NULL, metadata_locations = NULL;
-	metadata_location_t *data_location;
+//	metadata_location_t *data_location;
 	label_header_t *pv_label;
 	pv_header_t *pv_header;
 	mda_header_t *mda_header = NULL;
@@ -1069,6 +1069,10 @@
 		goto out;
 	}
 
+/* Removing this comparison. LVM1 containers that have been converted to LVM2
+ * using the LVM2 tools do not necessarily pass this check.
+ */
+#if 0
 	/* Compare the pe_start and the data_location start. */
 	data_location = EngFncs->first_thing(data_locations, NULL);
 	if (data_location->mda_start != pe_start) {
@@ -1080,6 +1084,7 @@
 		rc = EINVAL;
 		goto out;
 	}
+#endif
 
 	/* Allocate private data for this PV object. */
 	rc = allocate_pv_data(object, metadata_locations, vgda_tree,