Indeed, in my college times, I had a class about memory testing procedures, and had an idea to patch the FreeBSD kernel to do realtime memory tests and lock bad memory. This way, the system would be a lot more stable, even with bad hardware (common in poor countries like Brasil).
The solution is probably near the VM core. At that time I was thinking in changing the page mapper, but now I know this would just make the system more i386 specific, and the solution could be architecture generic.
No, unfortunatly I never let this idea grow into a solution. Probably because I never got the guts to fully understand the FreeBSD VM engine. ;-)
Joan Picanyol wrote:
* Danny Braniss <[EMAIL PROTECTED]> [20040809 11:42]:
is there an 'easy' way to mark some memory as unusable? thanks,
Linux has BadRAM: http://rick.vanrein.org/linux/badram/index.html, I think someone was thinking of porting it to FreeBSD... (or maybe it was you ;)
qvb
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