Suse 9, [kacpid] and display of "ps"

[Lisa Kachold]

This is the power management kacpid daemon (in both Ubuntu and Suse 9):

It has a known CPU overrun issue (in both distros):

http://linux.derkeiler.com/Mailing-Lists/SuSE/2005-07/1975.html

http://ubuntuforums.org/showthread.php?t=399619

You can disable it:

http://tech.jsemmanuel.com/2008/03/kacpid-hogging-up-cpu.html

additional useful commands for process identification:
netstat -anp | more 
lsof | less
ps waux 

see also pci devices:
lspci 


> To: plug-discuss at lists.plug.phoenix.az.us
> CC: 
> From: dale at farnsworth.org
> Date: Wed, 22 Oct 2008 22:18:22 -0700
> Subject: Re: Suse 9, [kacpid] and display of "ps"
> 
> In article <5087c7c50810221744y38aafbe8gee09551b781b766 at mail.gmail.com> you write:
> > if it shows up in a PS then its running ;-)
> > 
> > however kacpid is just the type of acpi daemon k probably the KDE
> > implementation of it if took a guess.
> 
> In this case, the k stands for kernel.  It's the kernel ACPI daemon.
> 
> -Dale
> 
> > On Wed, Oct 22, 2008 at 5:37 PM, Jon M. Hanson <jon at the-hansons-az.net> wrote:
> > > Those are kernel processes/threads.
> > > ---
> > > Jon M. Hanson (N7ZVJ)
> > > Weblog: http://the-hansons-az.net/wordpress/
> > > Homepage: http://the-hansons-az.net/
> > > Jabber IM: jon at the-hansons-az.net
> > >
> > >
> > >
> > > On Oct 22, 2008, at 5:22 PM, kitepilot at kitepilot.com wrote:
> > >
> > >> WHAT DO THE BRACKETS mean? (down below)
> > >>
> > >> Hello there:
> > >>
> > >> I have a Suse 9 machine as:
> > >> ------------------------------------------------------------------
> > >> # uname -r
> > >> 2.6.5-7.97-smp
> > >> # cat /etc/issue
> > >>
> > >> Welcome to SUSE LINUX Enterprise Server 9 (i586) - Kernel \r (\l).
> > >> ------------------------------------------------------------------
> > >>
> > >> I am trying to determine if the acpi daemon is running, but all I
> > >> find is:
> > >>
> > >> # ps aux|grep acp
> > >> root         5  0.0  0.0     0    0 ?        S<   Sep22   0:00
> > >> [kacpid]
> > >>
> > >> There is no reference whatsoever to "kacpid" in /etc/init.d
> > >>
> > >> Also, WHAT DO THE BRACKETS in [kacpid] mean?
> > >> I have always wondered about those brackets and "man ps" doesn't
> > >> really
> > >> help...
> > >>
> > >> Appreciate any help.
> > >> Thanks
> > >> Enrique
> > >> ---------------------------------------------------
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> > 
> > 
> > 
> > -- 
> > A mouse trap, placed on top of your alarm clock, will prevent you from
> > rolling over and going back to sleep after you hit the snooze button.
> > 
> > Stephen
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> 
> 
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