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Date:      Wed, 31 Mar 2004 14:33:30 -0500
From:      Joe Marcus Clarke <marcus@marcuscom.com>
To:        Chris Shenton <chris@Shenton.Org>
Cc:        Nate Lawson <nate@root.org>
Subject:   Re: ongoing mozilla problems
Message-ID:  <1080761610.889.28.camel@gyros>
In-Reply-To: <8665ckq0iy.fsf@PECTOPAH.shenton.org>
References:  <20040308215647.W51049@root.org> <1078812119.47417.10.camel@shumai.marcuscom.com> <8665ckq0iy.fsf@PECTOPAH.shenton.org>

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On Wed, 2004-03-31 at 14:28, Chris Shenton wrote:
> Nate Lawson <nate@root.org> writes:
>=20
> > On Tue, 9 Mar 2004, Joe Marcus Clarke wrote:
> >> On Tue, 2004-03-09 at 00:58, Nate Lawson wrote:
> >> > Any page that includes links to imgs on other pages hangs while load=
ing.
> >>
> >> At least one user has reported that an old IPv6-related resolver bug h=
as
> >> resurfaced in 1.6-based browsers.  If you have IPv6 in your kernel, yo=
u
> >> might try removing it temporarily (if you can) to see if this helps
> >> matters.  Other users have reported similar hangs in the past when
> >> trying to load images off of ad caching servers.=20
> >
> > I disabled IPv6 and it appears to be working fine again.
>=20
> I noticed this on my home 5.2-CURRENT systems with Mozilla-1.6.  When
> I just upgraded my work's 4.9-STABLE system with Moz-1.6 via
> portupgrade and now I see it there too.
>=20
> At home I can't disable IPv6 on CURRENT as X11R6-4.3.99.12 seems to
> need it to work. =20

Works fine for me without IPv6 on -CURRENT.

>=20
> On both systems, I am running DJBDNS's "dnscache".  When I see Mozilla
> hang trying to resolve (something like ad.doubleclick.net) I can
> immediately resolve it from a shell with "dnsip ad.doubleclick.net".
> So it definitely seems something mozilla specific.

It's definitely Mozilla-specific.  There is a workaround in 1.7b where
you can set the network.dns.disableIPv6 pref to false, and Mozilla won't
try IPv6 even if it is enabled in the kernel.

Joe

--=20
PGP Key : http://www.marcuscom.com/pgp.asc



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