Module Name: src
Committed By: jakllsch
Date: Wed Dec 4 19:59:47 UTC 2013
Modified Files:
src/sbin/gpt: migrate.c
Log Message:
Mirror my changes of src/sbin/gpt/create.c 1.4 in migrate.c;
Use less bogus CHS addresses in PMBR.
With the ending head set at 0xff one machine I have will never leave
the initial startup screen if such a disk is present. Additionally,
Wikipedia suggests without citiation that 254 is the maximium allowable
value for the head, and this seems to be the case.
To generate a diff of this commit:
cvs rdiff -u -r1.12 -r1.13 src/sbin/gpt/migrate.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sbin/gpt/migrate.c
diff -u src/sbin/gpt/migrate.c:1.12 src/sbin/gpt/migrate.c:1.13
--- src/sbin/gpt/migrate.c:1.12 Wed Nov 13 21:25:40 2013
+++ src/sbin/gpt/migrate.c Wed Dec 4 19:59:47 2013
@@ -29,7 +29,7 @@
__FBSDID("$FreeBSD: src/sbin/gpt/migrate.c,v 1.16 2005/09/01 02:42:52 marcel Exp $");
#endif
#ifdef __RCSID
-__RCSID("$NetBSD: migrate.c,v 1.12 2013/11/13 21:25:40 christos Exp $");
+__RCSID("$NetBSD: migrate.c,v 1.13 2013/12/04 19:59:47 jakllsch Exp $");
#endif
#include <sys/types.h>
@@ -430,11 +430,11 @@ migrate(int fd)
* Turn the MBR into a Protective MBR.
*/
bzero(mbr->mbr_part, sizeof(mbr->mbr_part));
- mbr->mbr_part[0].part_shd = 0xff;
- mbr->mbr_part[0].part_ssect = 0xff;
- mbr->mbr_part[0].part_scyl = 0xff;
+ mbr->mbr_part[0].part_shd = 0x00;
+ mbr->mbr_part[0].part_ssect = 0x02;
+ mbr->mbr_part[0].part_scyl = 0x00;
mbr->mbr_part[0].part_typ = 0xee;
- mbr->mbr_part[0].part_ehd = 0xff;
+ mbr->mbr_part[0].part_ehd = 0xfe;
mbr->mbr_part[0].part_esect = 0xff;
mbr->mbr_part[0].part_ecyl = 0xff;
mbr->mbr_part[0].part_start_lo = htole16(1);
