Re: Windows,grub and grub2

[Viswesh S]

----- Original Message ----
From: Bean <address@hidden>
To: The development of GRUB 2 <address@hidden>
Sent: Monday, 1 September, 2008 6:32:28 PM
Subject: Re: Windows,grub and grub2

On Mon, Sep 1, 2008 at 6:48 PM, Viswesh S <address@hidden> wrote:
>
>

Hi,

I doubt that this is caused by int 13, as grub2 doesn't change it.
Besides, the boot sector is read properly in grub2, so int 13 should
be working.

I have thought of another possible reason for this. In grub2, %dh is
0, perhaps it should be set to the partition number. Please test if
the new patch works.

--
Bean

 

Hi,

 

To get more insight and see whether the values are proper,I dumped the structure members.

 

So for the commands:

 

set root=(hd0,1)

chainloader +1

 

This is disk and partition strucure member values.

 

disk->name=(hd0,1)

disk->has_partitions=1

disk->id=0x80

 

For the partition p,

 

p->offset=0

p->index=0

p->data="">

p->start=0x3f

p->len = 0x0

p->offset=0x4e1edec

p->partmap->name=(null)

part_addr=0x7be

 

And this is the dump from the mbr:

 

000001b0   00 00 00 00 00 00 00 00     81 eb 09 00 00 00 80 01  |................|
000001c0   01 00 07 fe  ff ff 3f 00          00 00 ec ed e1 04 00 fe  |......?.........|
000001d0   ff ff 07 fe ff ff 00 f0               e1 04 00 18 30 0b 00 fe  |............0...|
000001e0   ff ff 82 fe ff ff cf 0e               12 10 33 91 3b 00 00 fe  |..........3.;...|
000001f0    ff ff 83 fe ff ff 02 a0              4d 10 bf ea 53 02 55 aa  |........M...S.U.|

 

Viswesh

 

ps:-The previous patch also didnt work :-(

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