Bug 1373276

Summary:	DHCP timeout due to race condition calling nm-dhcp-helper
Product:	Red Hat Enterprise Linux 7	Reporter:	Thomas Haller <thaller>
Component:	NetworkManager	Assignee:	Thomas Haller <thaller>
Status:	CLOSED ERRATA	QA Contact:	Desktop QE <desktop-qa-list>
Severity:	high	Docs Contact:
Priority:	unspecified
Version:	7.3	CC:	atragler, awilliam, bgalvani, dcbw, extras-qa, fgiudici, lkundrak, lmiksik, lrintel, mkolaja, psimerda, rkhan, thaller, vbenes
Target Milestone:	rc	Keywords:	OtherQA
Target Release:	---
Hardware:	x86_64
OS:	Linux
Whiteboard:
Fixed In Version:	NetworkManager-1.4.0-7.el7	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:	1372854	Environment:
Last Closed:	2016-11-03 19:30:02 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Bug Depends On:	1372854
Bug Blocks:

Description Thomas Haller 2016-09-05 17:10:18 UTC

+++ This bug was initially created as a clone of Bug #1372854 +++

when using dhclient DHCP plugin, the nm-dhcp-helper notifies NetworkManager about lease events by emitting a D-Bus signal "Event".

Due to a race, NetworkManager might miss the signal and DHCP times out.

Fix that, by instead using a D-Bus method "Notify".


More details in bug 1372854.

Comment 2 Thomas Haller 2016-09-07 22:29:48 UTC

branch merged upstream:


master: https://cgit.freedesktop.org/NetworkManager/NetworkManager/commit/?id=42519abdbf6c9778a9f9421e704181b22d4df684

nm-1-4: https://cgit.freedesktop.org/NetworkManager/NetworkManager/commit/?id=0b182d0f450e7caac85096bddbeeef65bdabdd6a

Comment 5 Vladimir Benes 2016-09-15 13:19:26 UTC

This was verified by reporter in https://bugzilla.redhat.com/show_bug.cgi?id=1372854#c16.

Comment 7 errata-xmlrpc 2016-11-03 19:30:02 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.

https://rhn.redhat.com/errata/RHSA-2016-2581.html