Date: Thu, 31 Oct 2002 18:33:13 +0100 From: Poul-Henning Kamp <phk@critter.freebsd.dk> To: Craig Rodrigues <rodrigc@attbi.com> Cc: freebsd-current@FreeBSD.ORG Subject: Re: Cannot find my Linux partition Message-ID: <56630.1036085593@critter.freebsd.dk> In-Reply-To: Your message of "Thu, 31 Oct 2002 12:06:15 EST." <20021031120615.A541@attbi.com>
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In message <20021031120615.A541@attbi.com>, Craig Rodrigues writes:
>
>--qDbXVdCdHGoSgWSk
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>On Thu, Oct 31, 2002 at 04:56:49PM +0100, Poul-Henning Kamp wrote:
>> Can you please email me:
>>
>> boot -v console output (use serial console if you can)
>> sysctl -n kern.geom.confxml
>
>OK, I edited /boot/default/loader.conf, and added set boot_verbose="YES"
>and rebooted. (I'm still not at the machine physically :).
I think it did. I wasn't aware that extended partitions could have
a "boot me!" flag (0x80).
Please try this patch:
Index: geom_mbr.c
===================================================================
RCS file: /home/ncvs/src/sys/geom/geom_mbr.c,v
retrieving revision 1.22
diff -u -r1.22 geom_mbr.c
--- geom_mbr.c 28 Oct 2002 07:50:47 -0000 1.22
+++ geom_mbr.c 31 Oct 2002 17:30:44 -0000
@@ -159,7 +159,7 @@
};
static void
-g_mbr_print(int i __unused, struct dos_partition *dp __unused)
+g_mbr_print(int i, struct dos_partition *dp)
{
g_hexdump(dp, sizeof(dp[0]));
@@ -247,7 +247,7 @@
if (dp[i].dp_size == 0)
continue;
if (bootverbose) {
- printf("Slice %d:\n", i + 1);
+ printf("Slice %d on %s:\n", i + 1, gp->name);
g_mbr_print(i, dp + i);
}
npart++;
@@ -324,16 +324,6 @@
}
}
-static void
-g_mbrext_print(int i, struct dos_partition *dp)
-{
- g_hexdump(dp, sizeof(dp[0]));
- printf("[%d] f:%02x typ:%d", i, dp->dp_flag, dp->dp_typ);
- printf(" s(CHS):%d/%d/%d", dp->dp_scyl, dp->dp_shd, dp->dp_ssect);
- printf(" e(CHS):%d/%d/%d", dp->dp_ecyl, dp->dp_ehd, dp->dp_esect);
- printf(" s:%d l:%d\n", dp->dp_start, dp->dp_size);
-}
-
static struct g_geom *
g_mbrext_taste(struct g_class *mp, struct g_provider *pp, int insist __unused)
{
@@ -379,12 +369,13 @@
break;
for (i = 0; i < NDOSPART; i++)
g_dec_dos_partition(
- buf + DOSPARTOFF + i * sizeof(struct dos_partition),
- dp + i);
+ buf + DOSPARTOFF +
+ i * sizeof(struct dos_partition), dp + i);
g_free(buf);
- g_mbrext_print(0, dp);
- g_mbrext_print(1, dp + 1);
- if (dp[0].dp_flag == 0 && dp[0].dp_size != 0) {
+ printf("Slice %d on %s:\n", slice + 5, gp->name);
+ g_mbr_print(0, dp);
+ g_mbr_print(1, dp + 1);
+ if ((dp[0].dp_flag & 0x7f) == 0 && dp[0].dp_size != 0) {
g_topology_lock();
pp2 = g_slice_addslice(gp, slice,
(((off_t)dp[0].dp_start) << 9ULL) + off,
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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