Hi all
I have run into RAM problem.
Problem.
I upgraded RAM from 64 MB to 128 MB. Then noticed that linux recognised only
64MB after boot. BIOS recgnised 128MB RAM.
So put a line in lilo.conf at proper place. 'append="mem=128M"'
Now linux recognises 128MB RAM as per the startup message. However kernel
panics within first page of startup messages.
The message is
General protection fault : 0000
----------------------
big register and stack dump
-----------------------
Kernel panic.
Attempt to sync idle task....
Resolution attempted:
I don't have a boot floppy and and CDROM is broke. But I can uninstall lilo
by hookes or crukes and get it working, though haasling...
Attempting to pass commandline parameters like append to lilo, does not work
as there is one such directive in lilo itself. I should have done that before
re-installing lilo.
Resolutions Yet to attempt:
I haven't tried comination of RAM SIMM and slots. I have three slots and two
simms.
Additional information:
BIOS hole at 14-15MB is disabled. However it does not make any differene
whether it's enabled or disabled. Result is same.
System is running in BIOS default mode. All optimisations disabled(Not my
normal working mode though.)
The machine is RHL 6.2 stock install.
Questions.
1)Why 64MB is only recognised when BIOS reports 128MB? My office machine with
256MB works fine with same CD installation and kernel.
2)RAM can not be problematic as BIOS is able to access it at least.
Performance tuning or partial bad ram is a different issue.
3)I have two simms of 64MB. There can't be any delay problems as machine
boots and I was able to run povray yesterday with same two simms. Both simms
are from same batch and the fact that machine boots is evident enough for any
possible delay problem.
4)Is it possible that linux can not access a simm entirely? Can I detect
that? Why this should happen at all when BIOS knows everything...
Any help?
TIA
Bye
Shridhar
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