can memmap hide two bad addresses?

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01-18-2008, 06:49 AM

Mark Schlegel

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can memmap hide two bad addresses?

I have two sticks of DIMMs in my motherboard for a
total of 1GB. The memory went bad at two locations
according to memtest (and I decided to run memtest because
the computer was crashing). I don't want to replace the memory,
just now. In the kernel docs "kernel-parameters.txt file
I see that the kernel has boot time option called

memmap=nn[KMG]$ss[KMG]

where I think nn is the starting point and ss is end address
but since the two addresses are pretty far apart, I don't
think that would work very well. Is there a way to
do two ranges so as to put the reserved ranges around the two
bad addresses?

like
memmap=114F3312$114F3314,34334331$34334333
supposing the bad addresses are 0x114F3313 and 0x34334332

badmem doesn't seem to be under any maintenance nor is it patched
for kernel 2.6

mark

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can memmap hide two bad addresses?