ChoosePixelFormat Failed

nickninevah · April 1, 2011, 18:55

Hi All

This error started for me right after I upgraded to Star CMM+ 6.02. It happens whenever I have a scene that tries to save to a file. I have three scenes, set to write a picture at every timestep.

A the end of the time step, I received the error message "ChoosePixelFormat failed." Once I clicked OK, the client instance of Star CCM+ immediately shutdown with no other messages or warning. The server process was still running. I had to kill the server process, lose all my work, and start over again.

This has happened every single time that I try to save the scene file. If I turn off the file saving, everything works fine. I've talked to support about it, and they think it is a problem with my video card rendering. Has anyone else had this problem? Anyone know a solution?

System Specs
OS: Windows XP 64 bit Pro
Java: Version 1.6
Star CCM+: Version 6.02
Video Card: nVidia Quadro FX 1700
Card Driver: 6.14.11.9178
CPU: 2 Dual Core Intels

abdul099 · April 2, 2011, 13:25

Can't you just reconnect to the still running server?

Anyway, you might try to run the simulation in batch mode without a connected client. Does the error still occur?

nickninevah · April 4, 2011, 18:16

That's the weird part. I can't reconnect to the server. When I open a new client, the server doesn't show.

Good idea about the batch mode. I will give that a try.

nomad · April 5, 2011, 14:36

This was an issue in 4.06 and they knew about it. I was hoping they had fixed it in later versions.

nickninevah · April 5, 2011, 21:09

Really,

That sucks. Any ideas for a work around. I tried running in batch mode; no luck.

Next I was going to try running with the switch
-mesa
in the command line. I'm hoping that will help things.

sail · April 6, 2011, 02:07

try shutting off the hardware acceleration. if this doesn't work try setting up the software to save just one picture per timestep (silly, i know, but i've had problems and that trick sometimes works...)

edit: to turn off the hw acceleration, right click on the desktop, proprieties, advanced, should be somewhere in there...

Eike · November 15, 2013, 00:31

nickninevah, did that work for you?

I have the same problem with 8.02.008 ... Windows 7, btw.

April 1, 2011, 18:55	ChoosePixelFormat Failed	#1
nickninevah New Member Nicholas Join Date: May 2009 Location: Seattle, USA Posts: 18 Rep Power: 16	Hi All This error started for me right after I upgraded to Star CMM+ 6.02. It happens whenever I have a scene that tries to save to a file. I have three scenes, set to write a picture at every timestep. A the end of the time step, I received the error message "ChoosePixelFormat failed." Once I clicked OK, the client instance of Star CCM+ immediately shutdown with no other messages or warning. The server process was still running. I had to kill the server process, lose all my work, and start over again. This has happened every single time that I try to save the scene file. If I turn off the file saving, everything works fine. I've talked to support about it, and they think it is a problem with my video card rendering. Has anyone else had this problem? Anyone know a solution? System Specs OS: Windows XP 64 bit Pro Java: Version 1.6 Star CCM+: Version 6.02 Video Card: nVidia Quadro FX 1700 Card Driver: 6.14.11.9178 CPU: 2 Dual Core Intels

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April 2, 2011, 13:25		#2
abdul099 Senior Member Join Date: Oct 2009 Location: Germany Posts: 636 Rep Power: 21	Can't you just reconnect to the still running server? Anyway, you might try to run the simulation in batch mode without a connected client. Does the error still occur?

April 4, 2011, 18:16		#3
nickninevah New Member Nicholas Join Date: May 2009 Location: Seattle, USA Posts: 18 Rep Power: 16	That's the weird part. I can't reconnect to the server. When I open a new client, the server doesn't show. Good idea about the batch mode. I will give that a try.

April 5, 2011, 14:36		#4
nomad Member John Join Date: Aug 2009 Posts: 92 Rep Power: 16	This was an issue in 4.06 and they knew about it. I was hoping they had fixed it in later versions.

April 5, 2011, 21:09		#5
nickninevah New Member Nicholas Join Date: May 2009 Location: Seattle, USA Posts: 18 Rep Power: 16	Really, That sucks. Any ideas for a work around. I tried running in batch mode; no luck. Next I was going to try running with the switch -mesa in the command line. I'm hoping that will help things.

April 6, 2011, 02:07		#6
sail Senior Member Vieri Abolaffio Join Date: Jul 2010 Location: Always on the move. Posts: 308 Rep Power: 16	try shutting off the hardware acceleration. if this doesn't work try setting up the software to save just one picture per timestep (silly, i know, but i've had problems and that trick sometimes works...) edit: to turn off the hw acceleration, right click on the desktop, proprieties, advanced, should be somewhere in there...

November 15, 2013, 00:31		#7
Eike Member Eike Join Date: Sep 2011 Posts: 40 Rep Power: 14	nickninevah, did that work for you? I have the same problem with 8.02.008 ... Windows 7, btw.