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Subjectlinux kernel 2.4.10 possibly breaks LILO
Summary:

Modifying /etc/lilo.conf and running "lilo" when using kernel version
2.4.10 does not appear to modify the boot sector accordingly, even
though I receive no errors or warnings. On next reboot, LILO is
configured as it was previous to my changes. I am therefore unable to
modify LILO configuration in any way while using 2.4.10.


Machine summary:

AMD Athlon 1 GHz
VIA 686b southbridge
512 MB PC133 SDRAM
/dev/hda = 30 GB Western Digital ATA-100 drive
/dev/hda1 is root partition and active partition
Linux 2.4.10
LILO 21.7-5


Details:

I recently built the latest 2.4.10 kernel from source and installed it
(upgraded from 2.4.7). Ran "lilo", and the new image booted and I was
happily running 2.4.10. I then made some changes to /etc/lilo.conf,
re-ran "lilo", and rebooted. On reboot, the my changes were not
apparent, and the previous configuration was used.

I began experimenting more, making drastic changes to /etc/lilo.conf.
No matter what I did to lilo.conf (even changing from "linear" to
"lba32" and back), running "lilo" produced no change to the startup.

I used a floppy to boot into 2.4.7, ran "lilo", rebooted, and noticed
that my changes had registered.

I then built kernel version 2.4.9, and did the same experiment. My
change to /etc/lilo.conf registered fine on the next reboot.

As a result, I have concluded that something has changed between 2.4.9
and 2.4.10 that causes LILO to be unable to overwrite the boot sector of
the active partition. I also tried using LILO 22.0-beta, and the
problem persisted.

My kernel configurations for both 2.4.9 and 2.4.10 are almost identical.

I do not know if this is something specific to my own machine, but it is
consistently reproducible. I have used versions 2.4.5, 2.4.7, 2.4.9,
and 2.4.10, and LILO fails to work ONLY on 2.4.10. No errors are
printed by LILO, and doing "lilo -q -v" before rebooting seems to
indicate that everything happened properly (though I think that only
reads the map file, not the actual boot sector).

I would appreciate a response regarding this issue. I have not seen
anything posted about this yet, so it could be something specific to my
machine - it's just strange that it just started happening on 2.4.10.

Thanks for any assistance you can provide.

--
Ken Zalewski -- Director of Information Technology
Document Development Corporation
1223 Peoples Avenue, Troy, NY 12180
kennyz@nycap.rr.com http://www.cs.rpi.edu/~kennyz/
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