[Python-Dev] Problem with svn on community buildbot

Alexander Belopolsky alexander.belopolsky at gmail.com
Sun Dec 14 22:52:36 CET 2008


Please see below for more svn debugging, but now I also traced down
the delays I observe when I go to bugs.python.com to the same issue.
The offending download is the style sheet and that explains why curl
does not show it when pointed to the main page:

$ curl -v -o /dev/null http://python.org/styles/screen-switcher-default.css
* About to connect() to python.org port 80 (#0)
*   Trying 2001:888:2000:d::a2... Operation timed out

The offending main page element is:
$ curl  http://bugs.python.org 2>/dev/null | grep screen-switcher-default
<link media="screen"
href="http://python.org/styles/screen-switcher-default.css"
type="text/css" id="screen-switcher-stylesheet" rel="stylesheet" />


On Sun, Dec 14, 2008 at 2:55 PM, "Martin v. Löwis" <martin at v.loewis.de> wrote:
..
>> $ time curl -v -o /dev/null http://svn.python.org
>> * About to connect() to svn.python.org port 80 (#0)
>> *   Trying 2001:888:2000:d::a4... Operation timed out
>
> Hmm. Can you debug this further?
>
> Do you have IPv6 connectivity at all?
I don't think so.

> Do you have a global v6 address?
No, only private inet6 address:

$ ifconfig en0
en0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500
	inet6 fe80::21f:5bff:fef3:c0a4%en0 prefixlen 64 scopeid 0x4
	inet 192.168.1.6 netmask 0xffffff00 broadcast 192.168.1.255
...

> What happens if you do a v6 traceroute?
>
$ traceroute6 -v svn.python.org
traceroute6 to svn.python.org (2001:888:2000:d::a4) from
fdbd:a375:403a:51c6:21f:5bff:fef3:c0a4, 30 hops max, 12 byte packets
 1  *
24 bytes from fe80::216:cbff:fec1:c94c%en0 to
fe80::21f:5bff:fef3:c0a4: icmp type 136 (Neighbor Advertisement) code
0
0000: fe800000 00000000 0216cbff fec1c94c
0010: 00000000 00000000

32 bytes from fe80::216:cbff:fec1:c94c%en0 to
fe80::21f:5bff:fef3:c0a4: icmp type 135 (Neighbor Solicitation) code 0
0000: fe800000 00000000 021f5bff fef3c0a4
0010: 01010016 cbc1c94c 00000000 00000000
 * *


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