Freeing unused kernel memory

[Mark Farmer]

Hi

We have a server running AS 2.1 which stops booting after saying 
"freeing unused kernel memory: 248k freed" at this point I can 
ctrl+alt+del and the server reboots so it's not actually hung & if left 
long enough a message will apear on screen saying "aacraid:controller 0 
completed scrub test" which I suspect is comming from the raid 
controller itself & not the OS.
I can boot from cd1 with 'linux rescue' & it mounts the install into 
/mnt/sysimage & I can chroot in no problem, start services etc.
I've grabbed a copy of the logs while running in rescue mode but there 
is nothing at all near the time of the crash and nothing obvious in 
dmesg etc.

After googleing i've tried passing (not all at the same time) 'apm=off' 
'acpi=off' 'vsdo=0' but none of these help.
I don't know what the 'vsod=0' does, anyone?

The last time the server ran under it's own steam we saw a kernel panic 
with a message about an error on cpu1, I have tried both smp & std 
kernels but neither will complete the boot process.

Short of reinstalling the machine which seems a little drastic i'm at a 
loss here, does anyone have any ideas or indeed know of a fix?

TIA

-- 
Mark Farmer
Linux System Administrator


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