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Bug#526823: libc6 2.9-9 broke DNS resolver again

On Mon, May 04, 2009 at 10:32:09PM +0200, Luca Tettamanti wrote:
> On Mon, May 4, 2009 at 10:11 PM, Aurelien Jarno <aurelien@aurel32.net> wrote:
> > On Mon, May 04, 2009 at 09:59:22PM +0200, Luca Tettamanti wrote:
> >> The option single-request works, the automagic workaround does not,
> >
> > That's a good news.
> >
> >> i.e. I always see the two requests going out in parallel.
> >> Actually I'm not sure I understand how it's supposes to work: if the
> >> first request fails usually the caller gives up, no?
> >
> > The first request done by a program should timeout, and the second
> > request by the same program should then be done sequentially, like when
> > "single-request" is set.
> That's not what is happening though. I try to open a page in konqueror
> (I also tried other programs, it's not specific to konqueror): I see
> two request (A and AAAA) going out at the same time; konqueror says
> it's unable to resolve the address - so far so good. I try to reload

That's the problem. When I say it should timeout, I mean it should take
long time to resolve, but at the end an answer should be returned.

> the page and I still see both requests going out at the same time
> (failure again). With single-request I see the first query, its answer
> and only then the second query and its reply - as expected.
> Furthermore I fear the workaround won't work for one-shot programs,
> like apt helpers, right?

It should work, with just a longer timeout.

Aurelien Jarno	                        GPG: 1024D/F1BCDB73
aurelien@aurel32.net                 http://www.aurel32.net

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