Comment 154 for bug 417757

I think that given the fact that Ubuntu is free, its pretty good for an
operating system, even though sometimes it does come with hick ups. But I am
sure thats something, Ubuntu developers will strive to get ironed out in the
future. But like I said, its pretty good for being free.

On Sun, Nov 15, 2009 at 9:39 PM, Ricardo Fernández <email address hidden> wrote:

> I've seen this behavior in quite few installation I have done; and
> saying "install a DNS server/Edit sysctl.conf" should not be the answer
> to fix the problem, not everybody have the skills required to do that,
> and it should not be a requirement at all. I don't think this could be
> fixed for karmic at this point but it should be fixed for lucid,
> otherwise the "common" users (not experts) will get tired of using
> "software" that doesn't work (They can't browse the web the way they
> like). So far I just disable IPv6 in firefox after installing (
> network.dns.disableIPv6 ), thats quite enough to make most users happy.
>
> --
> [karmic regression] all network apps / browsers suffer from multi-second
> delays by default due to IPv6 DNS lookups
> https://bugs.launchpad.net/bugs/417757
> You received this bug notification because you are a direct subscriber
> of a duplicate bug.
>
> Status in “glibc” package in Ubuntu: Confirmed
> Status in “network-manager” package in Ubuntu: Invalid
> Status in “glibc” source package in Lucid: Confirmed
> Status in “network-manager” source package in Lucid: Invalid
> Status in “glibc” source package in Karmic: Confirmed
> Status in “network-manager” source package in Karmic: Invalid
> Status in “glibc” package in Fedora: Confirmed
>
> Bug description:
> In Karmic, DNS lookups take a very long time with some routers, because
> glibc's DNS resolver tries to do IPv6 (AAAA) lookups even if there are no
> (non-loopback) IPv6 interfaces configured. Routers which do not repond to
> this cause the lookup to take 20 seconds (until the IPv6 query times out).
>

--
Dmitriy Mestetskiy