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Diffstat (limited to 'Documentation/bad_memory.txt')
| -rw-r--r-- | Documentation/bad_memory.txt | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/Documentation/bad_memory.txt b/Documentation/bad_memory.txt index df84162..5cac93e 100644 --- a/Documentation/bad_memory.txt +++ b/Documentation/bad_memory.txt @@ -1,9 +1,10 @@ +How to deal with bad memory e.g. reported by memtest86+ ? +========================================================= + March 2008 Jan-Simon Moeller, dl9pf@gmx.de -How to deal with bad memory e.g. reported by memtest86+ ? -######################################################### There are three possibilities I know of: @@ -19,6 +20,7 @@ This Howto is about number 3) . BadRAM ###### + BadRAM is the actively developed and available as kernel-patch here: http://rick.vanrein.org/linux/badram/ @@ -31,15 +33,19 @@ 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): -memmap=<size>$<address> +Syntax to exclude a memory area (see kernel-parameters.txt for details):: + + memmap=<size>$<address> Example: memtest86+ reported here errors at address 0x18691458, 0x18698424 and - some others. All had 0x1869xxxx in common, so I chose a pattern of - 0x18690000,0xffff0000. +some others. All had 0x1869xxxx in common, so I chose a pattern of +0x18690000,0xffff0000. + +With the numbers of the example above:: + + memmap=64K$0x18690000 + +or:: -With the numbers of the example above: -memmap=64K$0x18690000 - or -memmap=0x10000$0x18690000 + memmap=0x10000$0x18690000 |
