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Bug#556365: Please enable CONFIG_MEMTEST



On Sun, 2009-11-15 at 16:05 +0100, Romain Francoise wrote:
> Package: linux-2.6
> Version: 2.6.31-1
> Severity: wishlist
> 
> Please enable CONFIG_MEMTEST on x86. It shouldn't have any impact by
> default, and can be useful to boot a system with bad ram.

The in-kernel memory test is nearly useless - it writes the same pattern
to all of memory and so can't detect faults that cause interference
between memory cells at different addresses.  You can use memtest86+ to
find bad memory regions and the memmap kernel parameter to disable it.

Ben.

-- 
Ben Hutchings
The two most common things in the universe are hydrogen and stupidity.

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