Re: Dual boot issue: GRUB/NTLDR etc.




BlueGecko wrote:
> Douglas Mayne wrote:
> > On Fri, 27 Jan 2006 21:23:05 +0000, BlueGecko wrote:
> >>Douglas Mayne wrote:
> >>>On Fri, 27 Jan 2006 20:18:00 +0000, BlueGecko wrote:
> >>>>Douglas Mayne wrote:
> >>>>>On Fri, 27 Jan 2006 11:18:39 +0000, BlueGecko wrote:
> >>>>>
> >>>>>>I'm deeeeply frustrated, guys... :o(
> >>>>>>
> >>>>>>I'm struggling to dual boot my Debian Sarge with a pre-existing Windoz
> >>>>>>XP. After seeking any good info all 'round the web, I'm begging your
> >>>>>>attention...
> >>>>>
> >>>>><snip>
> >>>>>
> >>>>>>My configuration is:
> >>>>>>Motherboard: ASUS P4P800-X;
> >>>>>>Primary IDE master: LG CD-ROM CRD;
> >>>>>>Primary IDE slave: Western Digital DVD-RW SOHW;
> >>>>>>Secondary IDE master (hdc): Maxtor 6B160P0 (PATA 160GB);
> >>>>>>Secondary IDE slave: (void);
> >>>>>>3rd IDE master (hde): Western Digital WD1200JD (SATA 120GB);
> >>>>>>4th IDE master: (void).
> >>>>>>
> >>>>>>Windoz XP is in 3rd IDE master (hde), while Debian Sarge is in Secondary
> >>>>>>IDE master (hdc) with 2 partitions (root and swap).
> >>>>>>
> >>>>>>This situation is dismaying me...
> >>>>>>
> >>>>>>Any suggestion?
> >
> > <snip>
> >
> >>>>What really puzzles me is that the debian installation just successfully
> >>>>completed its tasks, in spite of its boot!
> >>>>
> >>>I don't have a lot of experience with SATA, and I don't have any specific
> >>>experience with your board. To continue this trend of the blind
> >>>leading the blind, I am not running Debian. I looked at the manual for
> >>>the ASUS board, and you should look at page 2-13, "Onboard PCI IDE
> >>>Operate Mode", and page 2-14, "Enhanced Mode Support On." These pages are
> >>>at page 49-50 in the pdf version of the manual (E1718). There are
> >>>settings which may be required for linux. This information may not be
> >>>true if you are using a very recent 2.6.x kernel. There have been updates
> >>>to the kernel involving SATA, and the ata_piix module.
> >>
> >>IMHO Linux shouldn't care about my SATA disk (that contains Windoz XP)
> >>as I installed it onto a PATA one.
> >
> > Please, read the manual pages that I referenced above.
>
> Forgive me, Doug: I'm really a lazy guy! ;-D Now I've promptly
> downloaded the pdf E1718 from ASUS website...
>
> >>>In any case, the problem is with the loader. Can you boot linux with a
> >>>floppy disc to determine what is going awry?
> >>
> >>As I stated at the 3rd point:
> >>
> >>[quote]
> >>3) desperate, I installed GRUB on a floppy disk: at boot time it came
> >>with this error message: "GRUB Geom Error".
> >>[/quote]
> >>
> >>Is there a brute-force way to load Linux despite these issues?
> >>Linux is waiting for me, but I can't reach it! :o(
> >>
> >>Thank you, Douglas!
> >>
> > Note: comment above.
> >
> > Another idea: Disable SATA in BIOS to verify if you can boot using ide
> > support only. As you wrote above, Linux should work without SATA support
> > because XP is on that disc. The only problem you might have is
> > /etc/fstab has already been written by setup. You might have to boot a
> > rescue disc to modify the "root" and "swap" entries if necessary. If
> > using IDE, then fstab should be set to use a partition on hdc.
> >
> > Hopefully, you will be able to boot even though you hard disc is a
> > secondary channel (your primary channel is being used by optical discs.)
> > Probably, that is ok (with SATA disabled.)
>
> OK, Douglas, I'll try it.
> Thanks again.

hi;
Being new to linux myself (definitely the blind leading the blind) -
I've been reading along these various linux NGs over the last couple of
weeks, and it seems GRUB info can be found in /boot/grub/grub.conf and
/boot/grub/menu.lst (<--that's an "L" = menu.LST)

also perhaps booting to Knoppix (or similar) LiveCD, you can access
this info (you sure can't from XP, unless the partition/s are FAT32) -
perhaps the command from a console can be useful that others here can
use to help diagnose the situation as well.

hdparm -l
or
hdparm -i

or some combination thereof (from a Knoppix boot, you may need to
prefix the above with 'sudo' when using the konsole (in KDE)

sudo hdparm -i

....also info can be found using the cat command;

# cat /proc/devices

....i snipped info this below from a thread in a NGs search;

show io port address cat /proc/ioports
show pci info cat /proc/pci
show block devices cat /proc/devices
show dma por cat /proc/dma
show eth0 bytes cat /proc/net/dev
show file system support cat /proc/filesystems
show interrupts cat /proc/interrupts
show ip forwarding (1) cat /proc/sys/net/ipv4/ip_forward

There are other ways, and the GRUB info should be priority I
guess...Others will show up and clarify hopefully - (*hint* - being
lazy is not going to get you much help ;-)). Just trying to help

.



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