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Windows 7 64 bit issues with X11

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Special Forums Windows & DOS: Issues & Discussions Windows 7 64 bit issues with X11
# 1  
Old 12-06-2011
Windows 7 64 bit issues with X11


I was hoping that somebody could assist me with the following issue.
I recently installed a windows 7 64 bit professional on a desktop with following specs: Intel Core i7 3.4Ghz, 16 GB DDR3 RAM, AMD Radeon HD 6450.
(Which was a upgrade of a xp 32 bit based system)

Since I'm more working on unix based systems in the company, I installed a x11 client (cygwin / xming take your pick) and connect to a linux host with a x11 server running from which I do my stuff on other linux hosts.

Since the windows 7 host, I expirience a gigantic lag when using terminals or using x11 in general that I reverted back to putty terminals. (Of which is nothing wrong but multiple desktops are quite handy instead of 20 putty's on the taskbar)

Things I did to check but didn't have the desired effect:

- updated local hardware drivers
- tried several x11 client solutions
- playing around with x11 connection parameters
- checked on other hosts (also win 7 64 bit)
- ...

Now, since this is a 'professional' version of win 7 I installed 'windows xp mode' which is just a virtual 32 bit xp client.
The strange thing is that x11 works perfectly on that virtual pc so I had a hunch trying the path of the architecture. So it seems that a virtual windows 7 32 bit also works perfectly and there is no lagging.

Using the process explorer from sysinternals, I also noticed that the GPU usage is abnormally high when perform commands in the x11 window.

So this points me two possible directions: Graphic card or CPU architecture.

Anybody has some idea's on which I could discover the cause and perhaps find a fix for it?

# 2  
Old 12-06-2011
So you tried several different X servers and they all had the same lag?
This User Gave Thanks to Corona688 For This Post:
# 3  
Old 12-06-2011
yeps, I installed several X-servers on the windows pc but unfortunately, they all suffer from the same lag.

By the way, thanks for the quick reply, didn't expect reaction that quick.
# 4  
Old 12-06-2011
Hm... Were these X servers 32-bit or 64-bit versions?
# 5  
Old 12-06-2011
Have you trialled the offering from Attachmate? This does not constitute a recommendation as such but is a good candidate for a comparative trial. They are the authors of the popular Reflections suite.

PC X server with support for SSH and OpenGL | Attachmate

If you ignore Microsoft ... there is always a Sun Workstation !
This User Gave Thanks to methyl For This Post:
# 6  
Old 12-07-2011

To answer your questions:
all 32 bit versions but they make notice that it would be ok for 64 bit. (Off course I don't take this for granted 100%)
cygwin version: 1.7.9-1
xming version:

Just tried reflection as well but unfortunatly, same issue.

nb. If it were my choice, I used a unix based workstation but unfortunately we are obliged by company policy to use windows.


Last edited by kristofvdo; 12-07-2011 at 09:47 AM..
# 7  
Old 12-08-2011
Try a 64-bit one. "work" isn't the same thing as "ideal".

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