[dtrace-discuss] dtrace syscall:::return arg0 weidness on b56 ( x86)

[Casper.Dik at Sun.COM]

>
>At the moment I am attending course SA327 ( dtrace)
>and I am doing the excercises on my macbook running  b56 on parallels.
>
>In one excercise we have to list failing system calls using
>a predicate: /arg0 == -1/ and this never matches on my system.
>When I change the test into / arg0 == 429496729 / it matches.
>On a Acer Ferrari running S10u3 the test for -1 works.
>
>Any idea if this is a bug in b56 or what it might be otherwise ??

Are both running 64 bit kernels or is this 32 vs 64 bit?

Casper