High CPU usage with Cygwin-x11 under xp-x64

Garrett Cooper youshi10@u.washington.edu
Wed Apr 18 15:05:00 GMT 2007

Bengt-Arne Fjellner wrote:
>> -----Original Message-----
>> From: cygwin-xfree-owner@cygwin.com 
>> [mailto:cygwin-xfree-owner@cygwin.com] On Behalf Of Garrett Cooper
>> Sent: den 16 april 2007 04:22
>> To: cygwin-xfree@cygwin.com
>> Subject: High CPU usage with Cygwin-x11 under xp-x64
>> Hello,
>> 	I have an issue with XP-64 where it consistently 
>> completely uses up one 
>> of my core's CPU resources after a period of time. This 
>> varies from 1-12 
>> hours from what I've seen, but it always occurs when I close 
>> all xterm 
>> windows, and the server is still running the in background. I 
>> can't kill 
>> the X11 server via the right click tray menu, but instead 
>> have to kill 
>> it via task manager.
>> More information:
>> System has the following specs:
>> -Windows XP (x64) fully patched
>> -Intel Core 2 Duo E6700 CPU
>> -ATI Radeon x1650 Pro with latest drivers
>> -4GB RAM
>> Cygwin and xorg-x11 are fully up to date as of today, and I 
>> tried using 
>> both -multiwindow and -rootless with usr\X11R6\bin\startxwin.bat, but 
>> Cygwin-X11 showed the same behavior, and nearly froze my system.
>> I wish I could attach a log of some kind, but apparently this 
>> version of 
>> X11 isn't setup to log to /var/log/Xorg.0.log automatically.
>> Any help is much appreciated as I greatly prefer xterms over Cygwin 
>> running in dinky, lame DOS CMD windows.
> Hi this is but a guess. Are you possibly running some firewall other
> then windows standard? If so try unisnstalling it. Reboot and test. I
> had a similar problem on one computer and traced it down to
> Sunbelt/Kerio personal firewall.
> Good Luck

Actually, I don't run a firewall on this machine because I'm behind a 

I do have McAfee VScan 8.5 setup though..


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