Date: 18 Feb 2003 18:07:53 -0800 From: Arun Sharma <arun.sharma@intel.com> To: Marcel Moolenaar <marcel@xcllnt.net> Cc: freebsd-ia64@FreeBSD.ORG Subject: Re: FreeBSD ia64 install problems WAS: install on Dell Precision Work Station 730 Message-ID: <u65rh10qu.fsf@unix-os.sc.intel.com> In-Reply-To: <20030215020654.GA1779@athlon.pn.xcllnt.net> References: <03781128C7B74B4DBC27C55859C9D7380B9DDB5D@es06snlnt.sandia.gov> <20030210203522.GA543@athlon.pn.xcllnt.net> <ur8ab1u5l.fsf@unix-os.sc.intel.com> <20030214024721.GB1573@athlon.pn.xcllnt.net> <ulm0i1gfu.fsf@unix-os.sc.intel.com> <20030215020654.GA1779@athlon.pn.xcllnt.net>
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Marcel Moolenaar <marcel@xcllnt.net> writes:
>
> > Normally MBR contains a fake EFI
> > partition.
>
> > I went back and restored the MBR to it's original form, so that EFI
> > could look into the GPT. Now when I try to boot FreeBSD, it can't
> > find "ufs:da0s2a".
>
> Odd. Is the disklabel in the FreeBSD partition valid?
It must be, because I can boot. Here's what things look like after a
successful install.
# df -k /
Filesystem 1K-blocks Used Avail Capacity Mounted on
/dev/da0s2a 257838 127690 109522 54% /
# gpt -r show /dev/da0
start end size contents
0 0 1 MBR
1 1 1 Pri GPT header
2 33 32 Pri GPT table
34 417665 417632 GPT part c12a7328-f81f-11d2-ba4b-00a0c93ec93b
417666 530185 112520
530186 21397248 20867063 GPT part 516e7cb4-6ecf-11d6-8ff8-00022d09712b
21397249 22425344 1028096 GPT part 0657fd6d-a4ab-43c4-84e5-0933c84b4f4f
22425345 22537791 112447 GPT part e3c9e316-0b5c-4db8-817d-f92df00215ae
22537792 35903039 13365248 GPT part ebd0a0a2-b9e5-4433-87c0-68b6b72699c7
35903040 35916513 13474
35916514 35916545 32 Sec GPT table
35916546 35916546 1
35916547 35916547 1 Sec GPT header
# fdisk /dev/da0
******* Working on device /dev/da0 *******
parameters extracted from in-core disklabel are:
cylinders=2235 heads=255 sectors/track=63 (16065 blks/cyl)
Figures below won't work with BIOS for partitions not in cyl 1
parameters to be used for BIOS calculations are:
cylinders=2235 heads=255 sectors/track=63 (16065 blks/cyl)
Media sector size is 512
Warning: BIOS sector numbering starts with sector 1
Information from DOS bootblock is:
The data for partition 1 is:
sysid 0 (0000),(unused)
start 34, size 417632 (203 Meg), flag 0
beg: cyl 0/ head 0/ sector 35;
end: cyl 25/ head 254/ sector 39
The data for partition 2 is:
sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD)
start 530186, size 20867063 (10188 Meg), flag 0
beg: cyl 33/ head 0/ sector 42;
end: cyl 307/ head 233/ sector 55
The data for partition 3 is:
<UNUSED>
The data for partition 4 is:
<UNUSED>
Now if I convert the MBR based partition table into a fake MBR (with a
single EFI GPT partition), I can't mount root anymore from ufs:da0s2a.
-Arun
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