Suspect results from iostat--FBSD bug?

Peter Steele psteele at maxiscale.com
Wed May 5 16:04:24 UTC 2010


>This looks like a bug in iostat.  4294967295 == 2 * 32 - -1
>
>It seems that some call returns (unsigned long)-1, e.g. to indicate a failing system/library call but iostat still prints the result:
>
>Which _precise_ version of FreeBSD are you using?

Well, that's a good question. The particular version I am running right now is basically FreeBSD 9.0-CURRENT (well, from a free weeks ago anyway) with lots of local kernel mods (to support drive pull primarily). I guess we could very well be hitting a bug in this 9.0 code since it hasn't officially been stamped as released...



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