NetBSD and SACK? [was: Re: Why is my gigabit ethernet so slow?]

[Fredrik Pettai <pettai%nordu.net@localhost>]

On Jan 29, 2010, at 6:08 PM, Andreas Gustafsson wrote:
> Matthias Scheler wrote:
> > Are you using hardware checksum offload on that "re0" interface?
> > If you do please try to disable it and reenable SACK.
>
> My hardware, network topology, and NetBSD version have all changed
> since 2008, and now when I try to reproduce the problem, I find that I
> am unable to do so.  Apparently whatever was broken has been fixed
> either in NetBSD or by the hardware changes.  I have now re-enabled
> SACK on all my NetBSD systems, and if the problem recurs, I will file
> a PR.

Before I forget to ask, which NetBSD version are you using with a  
functioning SACK?
We had problems with SACK on NetBSD 5.0_RC... something,
not sure that we ever came to test 5.0_RELEASE or later...

Re,
/P