| Jan-Simon Moeller, dl9pf@gmx.de |
| How to deal with bad memory e.g. reported by memtest86+ ? |
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| There are three possibilities I know of: |
| 1) Reinsert/swap the memory modules |
| 2) Buy new modules (best!) or try to exchange the memory |
| This Howto is about number 3) . |
| BadRAM is the actively developed and available as kernel-patch |
| here: http://rick.vanrein.org/linux/badram/ |
| For more details see the BadRAM documentation. |
| memmap is already in the kernel and usable as kernel-parameter at |
| boot-time. Its syntax is slightly strange and you may need to |
| calculate the values by yourself! |
| Syntax to exclude a memory area (see kernel-parameters.txt for details): |
| Example: memtest86+ reported here errors at address 0x18691458, 0x18698424 and |
| some others. All had 0x1869xxxx in common, so I chose a pattern of |
| With the numbers of the example above: |
| memmap=0x10000$0x18690000 |