DragonFly bugs List (threaded) for 2004-08
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Re: Bootloader problems
On Sun, 29 Aug 2004 21:48:47 +0300
all <all@xxxxxxxxxxxx> wrote:
> p.s. when I delete all my partition tables via dd if=/dev/zero
> of=/dev/ad0 bs=32k count=16, then fdisk, 3 partitions are unused, 4th,
> last one, is entire disk.
[and]
On Mon, 30 Aug 2004 20:02:00 +0200
"M. Schatzl" <lists@xxxxxxxxxxxxxxx> wrote:
> While checking the installation again with the live-CD, fdisk -i
> showed me all partitons except the last one empty and without any
> label. Slice 4 had a DragonFly disklabel and the size I gave ad0s2.
These are both occurances of the odd behaviour of fdisk.
When fdisk looks at a disk that has an invalid partition table, it says
the first 3 partitions are unused and that the 4th is a valid DragonFly
partition. This is purely a delusion.
However...
On Mon, 30 Aug 2004 20:02:00 +0200
"M. Schatzl" <lists@xxxxxxxxxxxxxxx> wrote:
> After rebooting the machine, the only thing i saw was an BTX loader
> error-message. The loader knew about the two systems (DOS/BSD) on
> disk.
This implies that the partition table was not in fact invalid at this
point, as the BTX loader could decipher it.
> While checking the installation again with the live-CD, fdisk -i
^^^^^^^^
> showed me all partitons except the last one empty and without any
> label.
-i Initialize sector 0 of the disk. This implies -u, unless -f is
given.
So I hope that's what you meant to do :)
Note that I've never had use for this option (it seems to be one cause
of the delusion I described above); fdisk -I is IMO the better choice.
(Going from the man page alone I would have a hard time describing what
the intended difference between -i and -I is supposed to be...)
Sorry if this isn't much help - I don't know much about the BTX loader
itself (which is what seems to actually be failing in these instances.)
-Chris
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