Subject: Re: i386-current hang in
To: None <tech-net@NetBSD.org>
From: Kentaro A. Kurahone <kurahone@sigusr1.org>
List: tech-net
Date: 04/19/2005 22:45:04
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On Tue, Apr 19, 2005 at 02:20:36PM -0700, Hisashi T Fujinaka wrote:
> On Tue, 19 Apr 2005, Markus W Kilbinger wrote:
>=20
> >Sounds/looks very similar similar to my
> >
> > kern/29787
> >
> >where I could catch such a panic within a serial remote console in the
> >meantime.
> >
> >My presumed wm driver relation could be pure random though it's still
> >the only machine showing such panics.
> >
> >Setting net.inet.tcp{,6}.sack.enable=3D0 seems to avoid these panics.
>=20
> They changed it from net.inet.tcp.sack? Just FYI, this error occur for
> me on a single fxp, and also ocurred on a single Linksys (rtk? can't
> remember).

Yes, it got changed because there's more SACK related sysctls now.

FWIW, the nics that I've been using to test this the most are
rtk, iwi, and wi.  And I have yet to be able to reproduce this even
after moderately heavy use.

--=20
Kentaro A. Kurahone
SIGUSR1 Research and Development

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