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Re: memtest




>From miyazawa@smxm26.smlab.sci.gunma-u.ac.jp Sun Nov  2 17:23:05 2003
>
>I runned memtest86 on opteron + 4GB + tyan k8s s2880.
>
>Many errors like the following were printed.
>


Memtest86 does not work if "DRAM scrubbing" is turned on
in setting BIOS.

In order to check memory by memtest86, "DRAM scrubbing" must be turned off.



>=================
>
>Chipset
>
>				cache	ECC	Test	Errors	Ecc error
>-------------------------------------------------------------------------
>				on	off	std	842	0
>
>
>Tst	Pass	Failing Address		Good	 Bad	  Err-Bits	Count	Chan
>------------------------------------------------------------------------------------
>4	2	0007209d628 - 18248MB	fffffbff 00000400 ffffffff	1
>			...
>			...
>					00080000 fff7ffff ffffffff
>					00040000 fffbffff ffffffff
>					00020000 fffdffff ffffffff
>
>
>================
>
>A strange thing is that Err-Bits are always ffffffff,
>and ECC is reported off, although it is on.
>




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