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SubjectRe: Strange disk corruption with Linux >= 2.6.13
Grant Coady wrote:
> On Tue, 27 Sep 2005 08:10:39 -0300, Rogério Brito <rbrito@ime.usp.br> wrote:
>
>
>>Hi there. I'm seeing a really strange problem on my system lately and I
>>am not really sure that it has anything to do with the kernels.
>
>
> Probably not, I had a similar problem recently and for a test case
> copied a .iso image file then compared it to original (cp + cmp),
> turned out to be bad memory, and yes, memtest86 did not find the
> problem. Check mobo datasheet if 2+ double-sided memory allowed,
> you may need to stay at 1GB to reduce bus loading.

I work a lot with hardware any my experience is that memtest is not very
good at detecting errors. I have a Socket 7 board somewhere with bad L2
cache - it was unstable but memtest was unable to find anything.
However, GoldMemory found some errors - they disappeared after disabling
L2 cache and crashes disappeared too. It's not free but at least
shareware - you can find it at http://www.goldmemory.cz/ The older
version (IIRC 5.07) was better, I had problems with some of the newer
ones on perfectly OK hardware (when the test should start, it rebooted
instead).

--
Ondrej Zary
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