Broken memory chip

Igor A. Shevchenco (igor@darksun.sbs.com.ua)
Sun, 13 Dec 1998 19:59:29 +0200 (EET)


Hello.
I have two 32-mb DIMMs in my machine and one of them is half-broken due to
power down -- when bios checks it, it skips from ~47mb to 64mb (broken
chip is on second dimm slot) and says "Memory test failed". When Linux
boots (clean 2.0.36, also .35), it hangs completely after "VFS: mounted
root (ext2 filesystem) readonly." message. So I've got a question:
can I somehow tell Linux not to use some physical memory region ?
Say, from 47th mb to 50th ? Now I'm limiting memory usage by "mem=XXm"
kernel parameter but maybe there's a few working memory after broken
region ?

- Igor

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