Public bug reported:
On a new laptop (Lenovo N581) and the latest Ubuntu 64-bit the WiFi
connection stops working when the power supply is disconnected and the
machine is running on its battery. The connection is still active, but
no TCP packet is exchanged with the WiFi network.
Downgrading pm-utils to 1.3.0-1 solves the problem. If I allow the
automatic update to the current version 1.4.1-9 the problem returns.
uname -a
Linux LTJohn 3.5.0-27-generic #46-Ubuntu SMP Mon Mar 25 19:58:17 UTC 2013
x86_64 x86_64 x86_64 GNU/Linux
lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 12.10
Release: 12.10
Codename: quantal
** Affects: pm-utils (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1166625
Title:
Running on battery power disables WiFi
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