Bug 789719 - When the -timeout option is less than or equal to 3, dhclient will stuck in a infinite loop doing DHCP Discover
Summary: When the -timeout option is less than or equal to 3, dhclient will stuck in a...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: dhcp
Version: 6.2
Hardware: All
OS: Linux
medium
medium
Target Milestone: rc
: ---
Assignee: Jiri Popelka
QA Contact: Release Test Team
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2012-02-12 15:27 UTC by hydra35
Modified: 2012-06-20 12:43 UTC (History)
3 users (show)

Fixed In Version: dhcp-4.1.1-28.P1.el6
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2012-06-20 12:43:51 UTC
Target Upstream Version:

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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2012:0793 0 normal SHIPPED_LIVE dhcp bug fix and enhancement update 2012-06-19 19:51:55 UTC

Description hydra35 2012-02-12 15:27:26 UTC 
Description of problem:

the -timeout option specifies how many seconds will dhclient goes to background when there is no valid dhcp response.

When assigned a value less than or equal to 3 seconds, dhclient will stuck in a infinite loop doing DHCP Discover. This situation can be reproduced no matter there is valid response from server-side.


Version-Release number of selected component (if applicable):

1. dhcp-4.1.1-25.P1_2.1(the default package comes with 6.2)
2. dhcp-4.1.1-25.P1.el6_2.1(the newest package) can be obtained via `yum update`

How reproducible: Always

Steps to Reproduce:
1. setup a dhcp server
2. run `dhclient -timeout 3 -d eth0
3. Observer the infinite loop between dhclient and dhcp server.
  
Actual results:


Expected results:


Additional info:
Comment 2 Jiri Popelka 2012-02-13 17:54:56 UTC 
Thanks for the report. Problem has been in one of our patches.
Comment 6 Ladislav Jozsa 2012-04-25 12:03:23 UTC 
Verified on RHEL6.3-20120416.0, dhclient-4.1.1-30.P1.el6.

Erroneous behaviour described in the opening comment is fixed.
Comment 8 errata-xmlrpc 2012-06-20 12:43:51 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHBA-2012-0793.html
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