Rick, I like the way you think...

On Sat, Sep 10, 2016 at 8:33 PM, Rick Engebretson <eng at pinenet.com> wrote:

> Please let us know if you "hosed" your office desktop. I'm trying to learn
> something about the XWindow system by reading the old 1992 X11R5 manual
> book series and playing with XForms and looking at some available source
> files. It might sound dumb to some here, but I find it interesting how the
> original X system was designed to replace the RS232 console, and how the PC
> of the time was single tasking so was considered an X Terminal at best. The
> whole relationship of client applications, network invention, X Display
> Server was very innovative. Sending constants over the network instead of
> complete graphics or pointers to structures was an effort to simplify. It
> all works beautifully to this day, and we certainly take it for granted.
>
> The VPN and 3D desktop is way outside my skills, but I still like learning
> what is new.
>
>
> Mike Miller wrote:
>
>> I decided that it probably wouldn't hose my IceWM if I killed compiz, so
>> I killed it.  I was right.  It seems that the system respawned another
>> compiz process immediately, but that process was using 0% CPU instead of
>> 100% CPU.  So that worked.
>>
>> It probably hosed the desktop in my office, but I didn't feel like going
>> to the office to see.  Maybe someday.  I'm enjoying the remote VNC approach.
>>
>> Thanks for all the helpful comments!
>>
>> Mike
>>
>>
>> On Mon, 5 Sep 2016, Andrew Lunn wrote:
>>
>> On Mon, Sep 05, 2016 at 02:35:01PM -0500, Mike Miller wrote:
>>>
>>
>> It looks like compiz is running amok and using 100% CPU.  That might mean
>>>> that it is using 100% of one of eight threads, or maybe using all of one
>>>> core.
>>>>
>>>
>>> The kernel scheduler will try to keep it on one core. Migrating it from
>>> one core to another is inefficient, in that it has hot memory in the L1
>>> cache which is local to a core. Moving it means it needs to rebuild that.
>>>
>>> http://www.compiz.org/ tells you more about what compiz is.
>>>
>>> It might be enough to log out your desktop session and log in again, so
>>> it starts a new desktop.
>>>
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