Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: network-manager (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1310746
Title:
NetworkManager wired ethernet times out waiting for dhcp on 14.04
trusty tahr
Status in “network-manager” package in Ubuntu:
Confirmed
Bug description:
I'm experiencing dhcp timeouts on 14.04 that I didn't experience in
earlier releases (13.10 and 12.04 are in use in the office). Others in
my office have similar complaints that "wired ethernet stops working
in 14.04" which all equate to a dhcp timeout. When switching back to
13.10 dhcp works flawlessly.
network-manager 0.9.8.8-0ubuntu7 (the current version on trusty) contains the
following changelog:
* debian/tests/nm: Bump DHCP timeouts from 15 to 20 seconds, something in
the stack got even slower as it used to be.
* debian/tests/nm: With the patch in 0.9.8.8-0ubuntu5, interfaces with PE
disabled still get a temporary IP. Disable that check for now.
-- Martin Pitt <[email protected]> Wed, 09 Apr 2014 15:41:11 +0200
I don't think increasing the timeout in the test in order to get it to
pass is the correct approach. It's likely masking the underlying issue
that we're experiencing.
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1) The release of Ubuntu you are using, via 'lsb_release -rd' or System ->
About Ubuntu
Description: Ubuntu 14.04 LTS
Release: 14.04
2) The version of the package you are using, via 'apt-cache policy pkgname'
or by checking in Software Center
network-manager:
Installed: 0.9.8.8-0ubuntu7
Candidate: 0.9.8.8-0ubuntu7
Version table:
*** 0.9.8.8-0ubuntu7 0
500 http://us.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
100 /var/lib/dpkg/status
isc-dhcp-client:
Installed: 4.2.4-7ubuntu12
Candidate: 4.2.4-7ubuntu12
Version table:
*** 4.2.4-7ubuntu12 0
500 http://us.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
100 /var/lib/dpkg/status
isc-dhcp-common:
Installed: 4.2.4-7ubuntu12
Candidate: 4.2.4-7ubuntu12
Version table:
*** 4.2.4-7ubuntu12 0
500 http://us.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
100 /var/lib/dpkg/status
3) What you expected to happen
Ethernet to "just work"
4) What happened instead
Wired ethernet times out waiting for a dhcp connection. This does not occur
on the same hardware using past releases of Ubuntu. It also doesn't happen when
connecting via wireless.
debug logs attached: sudo python debug-helper.py --nm debug ; tail -n0 -f
/var/log/syslog | sed -e '/get_active_ap/d' -e '/dump_route/d' > /tmp/syslog
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