"Stephen M. Rumble" <stephen.rumble@utoronto.ca> writes:
> Quoting Blair Sadewitz <blair.sadewitz@gmail.com>:
>
>> I enabled UFS_DIRHASH on a hunch it would help LFS (wow, what a
>> difference for pkgsrc builds).
>>
>> I have not seen any crashes yet, but I don't think it's been long
>> enough to tell.
>
> The crashes that Thor saw were on heavily loaded multiprocessor(?)
> systems. I had been using UFS_DIRHASH on my machines for at least a
> year and a half without seeing any problems. Let's just say that,
> without somebody familiar in that area proclaiming pool(9)'s safe
> usage in that code, I would not recommend that people start using it
> again if they're concerned with absolute stability.

I had trouble with UFS_DIRHASH on a quite ordinary uniprocessor
box.

-- 
Perry E. Metzger		perry@piermont.com