Binary package hint: erlang
Even if my netbook is completely idle beam.smp use about 4-10% CPU.
If i understand correctly beam.smp is an SMP version of this program, the problem is, my netbook i a single core athom processor with hyperthreading enabled. There is no way to disable hypertheread in BIOS, and disabling it in kernel will consume more power too.
lex 5498 5.1 1.2 88368 24844 ? Sl 09:02 0:57 /usr/lib/erlang/erts-5.7.4/bin/beam.smp -Bd -K true -A 4 -- -root /usr/lib/erlang -progname erl -- -home /home/lex -- -noshell -noinput -sasl errlog_type error -couch_ini /etc/couchdb/default.ini /etc/xdg/desktop-couch/compulsory-auth.ini /home/lex/.config/desktop-couch/desktop-couchdb.ini -s couch -pidfile /home/lex/.cache/desktop-couch/desktop-couchdb.pid -heart
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: erlang-base 1:13.b.3-dfsg-2ubuntu3
Uname: Linux 2.6.38-rc8-00275-gf0c8602 i686
Architecture: i386
Date: Mon Apr 4 09:15:01 2011
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
ProcEnviron:
LANGUAGE=de_DE:de:en_GB:en
LANG=de_DE.UTF-8
SHELL=/bin/bash
SourcePackage: erlang
UpgradeStatus: Upgraded to natty on 2011-01-04 (89 days ago)
I can confirm this.
The CPU utilization time is very high.
The beam.smp process is preventing the CPU from idling.
This could be the reason that Natty is using so much battery power!