This bug was fixed in the package apport - 2.0-0ubuntu3
---------------
apport (2.0-0ubuntu3) precise; urgency=low
[ Martin Pitt ]
* data/general-hooks/ubuntu.py: Do not capture stderr of lsb_release.
(LP: #955111)
[ Scott Moser ]
* data/general-hooks/ubuntu.py: timeout on attempts to contact ec2 metadata
service (LP: #855651)
-- Martin Pitt <[email protected]> Tue, 03 Apr 2012 06:58:07 +0200
** Changed in: apport (Ubuntu)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/855651
Title:
apport can hang when checking for ec2 metadata
Status in “apport” package in Ubuntu:
Fix Released
Bug description:
data/general-hooks/ubuntu.py has something like this:
ec2_instance = False
for pkg in ('ec2-init', 'cloud-init'):
try:
if apport.packaging.get_version(pkg):
ec2_instance = True
break
...
if ec2_instance:
metadata_url = 'http://169.254.169.254/latest/meta-data/'
ami_id_url = urljoin(metadata_url, 'ami-id')
try:
ami = urlopen(ami_id_url).read()
except:
ami = None
If cloud-init is installed, then it will try to do a get of
http://169.254.169.254/latest/meta-data/ . In a restrictive firewall,
that may be firewalled off, causing apport to appear to hang. we've
actually seen this in a Canonical run datacenter where cloud-init was
installed on a host system.
The problem can be remedied with:
route add -host 169.254.169.254 reject
Then, after reporting the bug simply do:
route del -host 169.254.169.254 reject
We should probably put a timeout on the urlopen call so that it doesn't hang
indefinitely (or whatever the OS level socket timeout is, which is really
large).
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: apport 1.23-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-11.18-server 3.0.4
Uname: Linux 3.0.0-11-server x86_64
ApportLog:
ApportVersion: 1.23-0ubuntu1
Architecture: amd64
CrashReports:
600:0:0:13730:2011-09-20 12:15:44.651957665 -0400:2011-09-20
12:15:44.651957665 -0400:/var/crash/_usr_bin_add-apt-repository.0.crash
775:1000:1000:4096:2011-09-19 20:46:56.988992051 -0400:2011-09-19
20:46:57.298997188 -0400:/var/crash/unpack
600:1000:114:35637:2011-09-19 20:57:13.669684000 -0400:2011-09-19
20:59:01.801580663
-0400:/var/crash/_usr_lib_erlang_erts-5.8.3_bin_erlexec.107.crash
600:0:0:17359:2011-09-20 17:57:45.687626739 -0400:2011-09-20
17:57:45.687626739 -0400:/var/crash/_usr_bin_nova-manage.0.crash
600:0:0:246548:2011-09-19 22:15:29.600167786 -0400:2011-09-19
22:15:29.560167110 -0400:/var/crash/rabbitmq-server.0.crash
Date: Wed Sep 21 11:27:37 2011
PackageArchitecture: all
ProcEnviron:
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: apport
UpgradeStatus: No upgrade log present (probably fresh install)
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