by crythau:

What steps will reproduce the problem?
1. hg clone -r release https://go.googlecode.com/hg/ $GOROOT
2. bash all.bash
3.

What is the expected output? What do you see instead?

"N known bugs; 0 unexpected bugs" expected; instead:

--- FAIL: net.TestDialGoogle
        -- 74.125.19.99:80 --
        Dial("tcp6", "", "74.125.19.99:80") = _, dial tcp6 74.125.19.99:80: 
address family not supported by protocol
        -- www.google.com:80 --
        Dial("tcp6", "", "www.google.com:80") = _, dial tcp6 
72.14.213.103:80: address family not supported by protocol

etc.

What is your $GOOS?  $GOARCH?

GOOS=linux
GOARCH=386

Which revision are you sync'ed to?  (hg log -l 1)

changeset:   3952:64e703cb307d
tag:         tip
user:        Russ Cox <rsc@golang.org>
date:        Tue Nov 10 14:09:01 2009 -0800
summary:     update video links

Please provide any additional information below.

>more /proc/version
Linux version 2.6.18-128.7.1.el5 (brewbuilder@norob.fnal.gov) (gcc version 
4.1.2 20080704 (Red Hat 4.1.2-44)) #1 SMP Mon Aug 24 08:22:26 EDT 2009


Obviously an IPv6 issue, and no v6 interfaces are configured on the 
machine.