Commit d078a815 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab

Documentation/bad_memory.txt: convert it to ReST markup

- promote the section level of the document name;
- add/remove spaces/new lines where needed to format the output;
- use quote blocks.
- add it to the user book.
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent 684adc0a
How to deal with bad memory e.g. reported by memtest86+ ?
=========================================================
March 2008 March 2008
Jan-Simon Moeller, dl9pf@gmx.de Jan-Simon Moeller, dl9pf@gmx.de
How to deal with bad memory e.g. reported by memtest86+ ?
#########################################################
There are three possibilities I know of: There are three possibilities I know of:
...@@ -19,6 +20,7 @@ This Howto is about number 3) . ...@@ -19,6 +20,7 @@ This Howto is about number 3) .
BadRAM BadRAM
###### ######
BadRAM is the actively developed and available as kernel-patch BadRAM is the actively developed and available as kernel-patch
here: http://rick.vanrein.org/linux/badram/ here: http://rick.vanrein.org/linux/badram/
...@@ -31,15 +33,19 @@ memmap is already in the kernel and usable as kernel-parameter at ...@@ -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 boot-time. Its syntax is slightly strange and you may need to
calculate the values by yourself! calculate the values by yourself!
Syntax to exclude a memory area (see kernel-parameters.txt for details): Syntax to exclude a memory area (see kernel-parameters.txt for details)::
memmap=<size>$<address>
memmap=<size>$<address>
Example: memtest86+ reported here errors at address 0x18691458, 0x18698424 and Example: memtest86+ reported here errors at address 0x18691458, 0x18698424 and
some others. All had 0x1869xxxx in common, so I chose a pattern of some others. All had 0x1869xxxx in common, so I chose a pattern of
0x18690000,0xffff0000. 0x18690000,0xffff0000.
With the numbers of the example above::
memmap=64K$0x18690000
or::
With the numbers of the example above: memmap=0x10000$0x18690000
memmap=64K$0x18690000
or
memmap=0x10000$0x18690000
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