On Fri, Jan 26, 2001 at 03:20:33AM +0100, Xuan Baldauf wrote:
>
> Peter Horton wrote:
>
> > I'm experiencing repeatable corruption whilst writing large volumes of
> > data to disk. Kernel version is 2.4.1-pre8, on an 850MHz AMD Athlon on an
> > ASUS A7V (VIA KT133 chipset) motherboard 128M RAM (tested with 'memtest86'
> > for 10 hours).
> >
>
> So what output does following bash script produce?
>
Well this is the script I've been testing with ...
#!/bin/bash -x
set -e
uname -a
rm -f test test[a-z]
dd if=/dev/urandom of=test bs=1024k count=128
for I in a b c d e f g h i j k l m n o p q r s t u v w x y z; do
cp test test$I
done
md5sum test*
... this is the kinda output I get on most runs :-
Linux mole-rat 2.4.1-pre10 #1 Fri Jan 26 08:48:55 GMT 2001 i686 unknown
...
aa6a64589748321899bab2b66f71427f testt
aa6a64589748321899bab2b66f71427f testu
aa6a64589748321899bab2b66f71427f testv
9dde1bed276e32a1f9af98c87ab05978 testw
aa6a64589748321899bab2b66f71427f testx
aa6a64589748321899bab2b66f71427f testy
aa6a64589748321899bab2b66f71427f testz
mole-rat:~# cmp testw testx
testw testx differ: char 110862337, line 433772
mole-rat:~# cmp -i $(( 110862336 + 4096 )) testw testx
mole-rat:~# echo $(( 110862336 % 4096 ))
0
>
> I cannot reproduce your behaviour in 2.4.1-pre9.
>
No, I can't find anybody else who can either. Maybe I've got a dodgy CPU
:-(
P.
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This archive was generated by hypermail 2b29 : Wed Jan 31 2001 - 21:00:24 EST