Matthew Dillon writes:
> :Speaking of NFS changes, there was talk at one time about turning the
> :nfsm macros into functions. Is this going to happen?
>
> No. The nfsm macros have goto's all over the place that jump outside
> the macro, and also use local variables declared outside the macro.
> Short of rewriting a fairly large hunk of the NFS code entirely it
> aint gonna happen. Nobody is contemplating rewriting the code.
Exactly why I wasn't going to try to do it myself ;-)
But I could have sworn I read somewhere that somebody was planning
it. Oh well.
> You can use gdb to disassemble the code to locate the exact point where
> the panic occured. It is definitely more difficult, but there isn't
> much we can do about it. The rpc design tends to keep things aligned
> and NFS packet elements tend to be sized such that alignment remains
> intact, so if these panics can be tracked down the fixes should be
> relatively easy to make. Unfortunately, we just don't see these sorts
> of panics on Intel boxes all that much because IA32 allows misaligned
> accesses. This means there are almost certainly alignment bugs in the
> code.
>
> -Matt
I'm all in favor of having all the developers have alphas so these
things get caught early ;-)
Cheers,
Drew
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