
Hi, I have been using Chimera on my desktop successfully - great program. However, when I run Chimera on my laptop, Chimera tends to crash, usually when the screen saver starts. the message I have is: chimera failed abnormally; the exit code was :3. I am not sure how to open the debug mode (I tried to right-click ==> properties and change the target by adding '--debug' but I am getting an error message that the name is not valid. my machine is Dell Vostro 1500 with XP with a GeForce 8400M GS video card. Any suggestion are welcome. Thanks, Ben

Hi Ben, One thing to do is to go to the Nvidia web site and make sure you have the latest set of drivers for your graphics card. You were pretty close with enabling debug mode: you right-click on the Chimera icon ==> properties ==> Shortcut and add --debug to the target. The --debug should be after the ending double quote of the original target, separated by a space. Then the next time you run Chimera, a text window will pop up with additional error information. Copying text from the debug window is a little tricky. You can copy the text from the debug window by right mouse clicking on the console window's title bar and first doing a "select all" followed by a "copy" and then you can paste the text. --Eric On Apr 1, 2008, at 9:22 AM, Ben Keshet wrote:
Hi,
I have been using Chimera on my desktop successfully - great program. However, when I run Chimera on my laptop, Chimera tends to crash, usually when the screen saver starts. the message I have is: chimera failed abnormally; the exit code was :3. I am not sure how to open the debug mode (I tried to right-click ==> properties and change the target by adding '--debug' but I am getting an error message that the name is not valid. my machine is Dell Vostro 1500 with XP with a GeForce 8400M GS video card. Any suggestion are welcome.
Thanks, Ben _______________________________________________ Chimera-users mailing list Chimera-users@cgl.ucsf.edu http://www.cgl.ucsf.edu/mailman/listinfo/chimera-users

Thanks for answer. I managed to open Chimera in debug mode, however, nothing exceptional appears when I open Chimera after it crashes. When Chimera crashes (in debug mode) when the screen saver goes one, I received a message in the window. Unfortunately, I could not copy and paste the text, so I am attaching an image of the window. I updated the drivers but the problem persists. Any information you can get from the error message? Any other suggestions? Thanks a lot for your time, Ben Keshet Eric Pettersen wrote:
Hi Ben, One thing to do is to go to the Nvidia web site and make sure you have the latest set of drivers for your graphics card. You were pretty close with enabling debug mode: you right-click on the Chimera icon ==> properties ==> Shortcut and add --debug to the target. The --debug should be after the ending double quote of the original target, separated by a space. Then the next time you run Chimera, a text window will pop up with additional error information. Copying text from the debug window is a little tricky. You can copy the text from the debug window by right mouse clicking on the console window's title bar and first doing a "select all" followed by a "copy" and then you can paste the text.
--Eric
On Apr 1, 2008, at 9:22 AM, Ben Keshet wrote:
Hi,
I have been using Chimera on my desktop successfully - great program. However, when I run Chimera on my laptop, Chimera tends to crash, usually when the screen saver starts. the message I have is: chimera failed abnormally; the exit code was :3. I am not sure how to open the debug mode (I tried to right-click ==> properties and change the target by adding '--debug' but I am getting an error message that the name is not valid. my machine is Dell Vostro 1500 with XP with a GeForce 8400M GS video card. Any suggestion are welcome.
Thanks, Ben _______________________________________________ Chimera-users mailing list Chimera-users@cgl.ucsf.edu http://www.cgl.ucsf.edu/mailman/listinfo/chimera-users

Hi Ben, This is definitely a graphics driver problem. These are unfortunately very common on laptops. Updating your graphics driver is the best hope, but since that did not work you might investigate changing graphics driver settings to reduce the level of hardware acceleration. Some suggestions are on our graphics driver bug web page: http://www.cgl.ucsf.edu/chimera/graphics/graphicsbugs.html Chimera uses many 3d capabilities of your graphics card and if the driver provided by the laptop vendor or graphics card vendor has bugs it sometimes means Chimera cannot be used reliably on that machine. Tom
participants (3)
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Ben Keshet
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Eric Pettersen
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Tom Goddard