On Sun, Jul 06, 2003 at 06:57:47PM -0500, Jeff wrote:
> I recently installed Debian from the LordSutch.com ISOLINUX mini-iso. When
> I got to the step where you try to boot from the hard drive, it did not
> work. I can boot from the boot floppy created during installation. But when
> I try to boot from the hard drive I get a text screen that says:
>
> MBR
>
> 01 01 01 01 01 01... repeating forever until I reset.
Fist check that you have made the root partition bootable in the
installer's partitioner, and that /target/etc/lilo.conf points
to that partition.
I downloaded the lilo-21.tar.gz package and checked the README.
You may have this README in your system under /target/usr/share/doc/lilo
when you boot the installer. It says:
---
Boot loader messages
--------------------
The boot loader generates three types of messages: progress and error
messages while it is loading, messages indicating disk access errors, and
error messages in response to invalid command-line input. Since messages of
the latter type are usually self-explanatory, only the two other categories
are explained.
LILO start message
- - - - - - - - -
When LILO loads itself, it displays the word "LILO". Each letter is printed
before or after performing some specific action. If LILO fails at some
point, the letters printed so far can be used to identify the problem. This
is described in more detail in the technical overview.
Note that some hex digits may be inserted after the first "L" if a
transient disk problem occurs. Unless LILO stops at that point, generating
an endless stream of error codes, such hex digits do not indicate a severe
problem.
(<nothing>) No part of LILO has been loaded. LILO either isn't installed
or the partition on which its boot sector is located isn't active.
L <error> ... The first stage boot loader has been loaded and started,
but it can't load the second stage boot loader. The two-digit error
codes indicate the type of problem. (See also section "Disk error
codes".) This condition usually indicates a media failure or a geometry
mismatch (e.g. bad disk parameters, see section "Disk geometry").
LI The first stage boot loader was able to load the second stage boot
loader, but has failed to execute it. This can either be caused by a
geometry mismatch or by moving /boot/boot.b without running the map
installer.
LIL The second stage boot loader has been started, but it can't load
the descriptor table from the map file. This is typically caused by a
media failure or by a geometry mismatch.
LIL? The second stage boot loader has been loaded at an incorrect
address. This is typically caused by a subtle geometry mismatch or by
moving /boot/boot.b without running the map installer.
LIL- The descriptor table is corrupt. This can either be caused by a
geometry mismatch or by moving /boot/map without running the map
installer.
LILO All parts of LILO have been successfully loaded.
Disk error codes
- - - - - - - -
If the BIOS signals an error when LILO is trying to load a boot image, the
respective error code is displayed. The following BIOS error codes are
known:
0x00 "Internal error". This code is generated by the sector read
routine of the LILO boot loader whenever an internal inconsistency is
detected. This might be caused by corrupt files. Try re-building the
map file. Another possible cause for this error are attempts to access
cylinders beyond 1024 while using the LINEAR option. See section "BIOS
restrictions" for more details and for how to solve the problem.
0x01 "Illegal command". This shouldn't happen, but if it does, it may
indicate an attempt to access a disk which is not supported by the
BIOS. See also "Warning: BIOS drive 0x<number> may not be accessible"
in section "Warnings".
0x02 "Address mark not found". This usually indicates a media problem.
Try again several times.
0x03 "Write-protected disk". This should only occur on write
operations.
0x04 "Sector not found". This typically indicates a geometry mismatch.
If you're booting a raw-written disk image, verify whether it was
created for disks with the same geometry as the one you're using. If
you're booting from a SCSI disk or a large IDE disk, you should check,
whether LILO has obtained correct geometry data from the kernel or
whether the geometry definition corresponds to the real disk geometry.
(See section "Disk geometry".) Removing COMPACT may help too. So may
adding LINEAR.
0x06 "Change line active". This should be a transient error. Try
booting a second time.
0x07 "Invalid initialization". The BIOS failed to properly initialize
the disk controller. You should control the BIOS setup parameters. A
warm boot might help too.
0x08 "DMA overrun". This shouldn't happen. Try booting again.
0x09 "DMA attempt across 64k boundary". This shouldn't happen. Try
omitting the COMPACT option.
0x0C "Invalid media". This shouldn't happen and might be caused by a
media error. Try booting again.
0x10 "CRC error". A media error has been detected. Try booting several
times, running the map installer a second time (to put the map file at
some other physical location or to write "good data" over the bad
spot), mapping out the bad sectors/tracks and, if all else fails,
replacing the media.
0x11 "ECC correction successful". A read error occurred, but was
corrected. LILO does not recognize this condition and aborts the load
process anyway. A second load attempt should succeed.
0x20 "Controller error". This shouldn't happen.
0x40 "Seek failure". This might be a media problem. Try booting again.
0x80 "Disk timeout". The disk or the drive isn't ready. Either the
media is bad or the disk isn't spinning. If you're booting from a
floppy, you might not have closed the drive door. Otherwise, trying to
boot again might help.
0xBB "BIOS error". This shouldn't happen. Try booting again. If the
problem persists, removing the COMPACT option or adding/removing LINEAR
might help.
If the error occurred during a write operation, the error code (two hex
digits) is prefixed with a "W". Although write errors don't affect the boot
process, they might indicate a severe problem, because they usually imply
that LILO has tried to write to an invalid location. If spurious write
errors occur on a system, it might be a good idea to configure LILO to run
read-only (see section "Build-time configuration").
Generally, invalid geometry and attempts to use more than two disks without
a very modern BIOS may yield misleading error codes. Please check carefully
if /sbin/lilo doesn't emit any warnings. Then try using the LINEAR option
(see section "Global options").
--
Debian GNU/Linux Operating System
By the People, For the People
Chris Tillman (a people instance)
toff one at cox dot net
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