add another workaround for buggy BIOSes into get_diskinfo.

ChangeLog

@@ -1,3 +1,10 @@
+2000-11-11  OKUJI Yoshinori  <okuji@gnu.org>
+
+	* stage2/bios.c (get_diskinfo): If BIOS supports LBA but doesn't
+	return the correct total number of sectors, compute this by
+	C/H/S returned by get_diskinfo_int13_extensions instead of
+	get_diskinfo_standard.
+	
 2000-11-09  OKUJI Yoshinori  <okuji@gnu.org>
 
 	* stage2/disk_io.c (make_saved_active): Set ERRNUM to

stage2/bios.c

@@ -173,7 +173,13 @@ get_diskinfo (int drive, struct geometry *geometry)
 	      /* FIXME: when the 2TB limit becomes critical, we must
 		 change the type of TOTAL_SECTORS to unsigned long
 		 long.  */
+	      if (drp.total_sectors)
 		total_sectors = drp.total_sectors & ~0L;
+	      else
+		/* Some buggy BIOSes doesn't return the total sectors
+		   correctly but returns zero. So if it is zero, compute
+		   it by C/H/S returned by the LBA BIOS call.  */
+		total_sectors = drp.cylinders * drp.heads * drp.sectors;
 	    }
 	}