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#1 2009-10-03 21:59:07

blabub
Member
Registered: 2009-09-29
Posts: 4

[SOLVED] Nothing working cause of ipv6

Good evening


Since my installation of Arch Linux in September I have a strange problem with one of my computer:


I've installed four systems:

- Desktop PC
- File Server
- Two Laptops

Every installation is working fine except the Desktop PC installation.
I installed Arch Linux the same way for each system.

The problem:
I can't use various programs on my Desktop System:

wget
xchat
git

First I thought it's a DNS problem:

wget google.ch
--2009-10-03 23:54:02--  http://google.ch/
Auflösen des Hostnamen »google.ch«.... fehlgeschlagen: Temporärer Fehler bei der Namensauflösung.
wget: kann die Host-Adresse »»google.ch«« nicht auflösen

But when I say:

wget google.ch -4
--2009-10-03 23:54:51--  http://google.ch/
Auflösen des Hostnamen »google.ch«.... 209.85.229.104, 74.125.77.104, 216.239.59.104
Verbindungsaufbau zu google.ch|209.85.229.104|:80... verbunden.
HTTP Anforderung gesendet, warte auf Antwort... 301 Moved Permanently
Platz: http://www.google.ch/[folge]
--2009-10-03 23:54:52--  http://www.google.ch/
Auflösen des Hostnamen »www.google.ch«.... 74.125.43.99, 74.125.43.105, 74.125.43.147, ...
Verbindungsaufbau zu www.google.ch|74.125.43.99|:80... verbunden.
HTTP Anforderung gesendet, warte auf Antwort... 200 OK
Länge: nicht spezifiziert [text/html]
In »»index.html«« speichern.

    [ <=>                                                                                                                                                                                                ] 6'452       --.-K/s   in 0.03s

2009-10-03 23:54:52 (188 KB/s) - »»index.html«« gespeichert [6452]

It works fine.


I build a own kernel without IPv6 support but the problem is still there.
I don't know what I can do to fix this, on the other systems it's working.


Greets
blabub

Last edited by blabub (2009-10-10 17:38:37)

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#2 2009-10-03 23:36:30

SoleSoul
Member
From: Israel
Registered: 2009-06-29
Posts: 319

Re: [SOLVED] Nothing working cause of ipv6

I hate this problem!
I had the same problem on a slackware based system. I asked in forums, searched google and I even asked the network managers of my college but no one knew.
I will tell you what I found out so you can continue from here:
1) If I start nscd, everything works.
2) Many programs (like firefox) don't have the problem.
That's all I could find out. I reinstalled when gave up.
Good luck!

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#3 2009-10-03 23:59:54

arkham
Member
From: Stockholm
Registered: 2008-10-26
Posts: 516
Website

Re: [SOLVED] Nothing working cause of ipv6


"I'm Winston Wolfe. I solve problems."

~ Need moar games? [arch-games] ~ [aurcheck] AUR haz updates? ~

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#4 2009-10-05 17:37:32

harpo
Member
Registered: 2009-05-14
Posts: 21

Re: [SOLVED] Nothing working cause of ipv6

It's a change in the glibc resolver libraries. Described here:

http://bbs.archlinux.org/viewtopic.php?id=75770

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#5 2009-10-10 17:14:54

blabub
Member
Registered: 2009-09-29
Posts: 4

Re: [SOLVED] Nothing working cause of ipv6

Edit:

Ok, I have solved it. I have a very, very bad router with a veryy very poor DNS-Function.
With a own dns server it works very well.

[just for google index]
Netopia 7347-44
Netopia 7347-84
Swisscom
DNS Failure
DNS Fehler
[/just for google index]

harpo wrote:

It's a change in the glibc resolver libraries. Described here:

http://bbs.archlinux.org/viewtopic.php?id=75770

Thanks a lot for the link, wget is not working! (add 'options single-request' to /etc/resolv.conf)
But git is still not working:

git clone git://git.freedesktop.org/git/mesa/mesa
Initialized empty Git repository in /usr/src/ati_oss_stuff/mesa-git/mesa/.git/
fatal: Unable to look up git.freedesktop.org (port 9418) (Temporary failure in name resolution)

Last edited by blabub (2009-10-10 18:00:50)

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#6 2009-10-13 16:22:44

harpo
Member
Registered: 2009-05-14
Posts: 21

Re: [SOLVED] Nothing working cause of ipv6

blabub wrote:

Thanks a lot for the link, wget is not working! (add 'options single-request' to /etc/resolv.conf)
But git is still not working:

git clone git://git.freedesktop.org/git/mesa/mesa
Initialized empty Git repository in /usr/src/ati_oss_stuff/mesa-git/mesa/.git/
fatal: Unable to look up git.freedesktop.org (port 9418) (Temporary failure in name resolution)

Do you mean that wget *does* work? If so, good. If not, try:

wget -4

As far as git, I am no expert but believe it uses ssh for connections. I suggest running:

ssh -v git.freedesktop.org

and see if DNS lookups succeed. Note, this doesn't have to actually be to somewhere you can make a connection, you're just interested in DNS.

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