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Bug#537271: marked as done (debian-installer: network may not be usable as soon as link is up)

Your message dated Sat, 12 Mar 2011 17:50:03 +0000
with message-id <E1PySx1-0007R3-3U@franck.debian.org>
and subject line Bug#537271: fixed in netcfg 1.61
has caused the Debian Bug report #537271,
regarding debian-installer: network may not be usable as soon as link is up
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
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537271: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537271
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message ---
Package: debian-installer
Version: 20090123lenny1


the debian-installer seems to assume that the network is usable as soon
as the link comes up, which may not be the case if the 802.1d spanning
tree protocol is in use, in which case it can be up to ~30 seconds
before the switch port will forward ethernet frames.

i've noticed that trying to preseed a network install on a machine
attached to an STP-enabled switch usually fails since as soon as the
network link is up, d-i attempts to perform a reverse DNS lookup and
fetch the preseed.cfg file via HTTP, both of which timeout and fail
before the switch port the machine is attached to enters the forwarding

a nice strategy to detect if the network is usable might be to send ARP
requests for the default gateway's IP address and consider the network
"up" only after the default gateway is reachable.  it looks like there
is a busybox version of the arping utility that could help accomplish

Robert Edmonds

Attachment: signature.asc
Description: Digital signature

--- End Message ---
--- Begin Message ---
Source: netcfg
Source-Version: 1.61

We believe that the bug you reported is fixed in the latest version of
netcfg, which is due to be installed in the Debian FTP archive:

  to main/n/netcfg/netcfg-static_1.61_amd64.udeb
  to main/n/netcfg/netcfg_1.61.dsc
  to main/n/netcfg/netcfg_1.61.tar.gz
  to main/n/netcfg/netcfg_1.61_amd64.udeb

A summary of the changes between this version and the previous one is

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 537271@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
Otavio Salvador <otavio@debian.org> (supplier of updated netcfg package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@debian.org)

Hash: SHA256

Format: 1.8
Date: Sat, 12 Mar 2011 14:40:39 -0300
Source: netcfg
Binary: netcfg netcfg-static
Architecture: source amd64
Version: 1.61
Distribution: unstable
Urgency: low
Maintainer: Debian Install System Team <debian-boot@lists.debian.org>
Changed-By: Otavio Salvador <otavio@debian.org>
 netcfg     - Configure the network (udeb)
 netcfg-static - Configure a static network (udeb)
Closes: 537271 605013
 netcfg (1.61) unstable; urgency=low
   [ Konstantinos Margaritis]
   * Added armhf in arch field. Closes: #605013.
   [ Robert Edmonds ]
   * Wait for the network to be usable before trying to use it
     (in the case of STP-enabled switch for instance
     Use busybox's arping with the '-f' flag (quit on first ARP reply).
     Wait up to 45 seconds for an ARP reply from the default gateway
     Closes: #537271
   [ Samuel Thibault ]
   * Make netcfg depend on isc-dhcp-client-udeb on hurd-any too, for the same
     reason as kfreebsd: no support for udhcp in busybox.
   * dhcp.c: Implement no_default_route on Hurd.
   * Increase the frequency of DHCP discover packets sent during DHCP
     configuration using dhclient too.
   * netcfg.h: Fix the isc-dhcp dhclient.conf path.
   [ Updated translations ]
   * Bengali (bn.po) by Israt Jahan
   * Esperanto (eo.po) by Felipe Castro
   * Georgian (ka.po) by Aiet Kolkhi
   * Korean (ko.po) by Changwoo Ryu
   * Marathi (mr.po) by sampada
   * Nepali (ne.po)
   * Romanian (ro.po) by Eddy Petrișor
 54828b51caf6ada947380f12568e5fa8c79ee774 1701 netcfg_1.61.dsc
 d2f7e122047a7572e9f45f59a7a297c26f49032d 430342 netcfg_1.61.tar.gz
 59286893c2c5841994fefb9ed2eebf5e0d353376 322494 netcfg_1.61_amd64.udeb
 8e43bc7e2ab2bd9d4776b9d8e441e4c715edc131 248088 netcfg-static_1.61_amd64.udeb
 e4c3b5b2e4119cf4718a56399f5e3b5beeb2484b860d601815afe3a92381225f 1701 netcfg_1.61.dsc
 b698492357ba29a486071c6009c3ba8b9b75f30da1dda009bad869903ce6ff51 430342 netcfg_1.61.tar.gz
 2332388ee04ef8e00bc31f3cfc29254a947a8e5a235865350396b5d18d99dc1f 322494 netcfg_1.61_amd64.udeb
 19ba586211ed140eccf5e87926012c0d82e51e9c5c096f4080b406ea37269c24 248088 netcfg-static_1.61_amd64.udeb
 0ab7c38afee16b7be97cbbeb5b4ff2ce 1701 debian-installer optional netcfg_1.61.dsc
 c30a6d617d16cb0fac810d46ed4cc5ca 430342 debian-installer optional netcfg_1.61.tar.gz
 325f7b43c62d74a30be7331ed18611d3 322494 debian-installer optional netcfg_1.61_amd64.udeb
 d76c6e589c7f9637391658f9589d7c4c 248088 debian-installer optional netcfg-static_1.61_amd64.udeb
Package-Type: udeb

Version: GnuPG v1.4.11 (GNU/Linux)


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