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Re: IDL object graphics code logs me out?! [message #66894 is a reply to message #66893]

Thu, 18 June 2009 19:22

penteado
Messages: 866
Registered: February 2018

Senior Member
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On Jun 18, 6:34 pm, Paul van Delst <paul.vande...@noaa.gov> wrote:
> David Fanning wrote:
>> Paul van Delst writes:
>
>>> I think I may be losing my mind, but just in case I'll post the question here:
>
>> Object graphics!? I'm pretty sure you are losing
>> your mind. ;-)
>
> Yeah, I pretty much figured :o)
>
> Still, I now can reproduce the problem in one step every time.
>
> When I run my test code, it produces the DG window and then the (empty) OG window. If I
> kill the DG window and run the test again, I'm "auto" logged out. Going in the opposite
> direction and killing the OG window and re-running does nothing untoward.
>
> I'm off for a couple cold ones. Maybe that'll induce some sense....
>
> cheers,
>
> paulv

I used to occasionally get similar symptoms in the past (I do not
remember if it was IDL 7 or 6.4). It was not actually a logoff, but it
looked like it: the X server died, which caused it to restart at the
login screen.

I never found exactly what operations caused the crash, but I found
that it was caused by the use of hardware OpenGL. With some versions
of my graphic card's driver (fglrx, for an ATI FireGL), occasionally
OpenGL (also, occasionally, video playback) killed the X server.

In the case of IDL, an immediate solution was to switch it to software
OpenGL (in IDL 7, it lives in Window/Preferences/IDL/Graphics). It was
eventually properly fixed with a new version of the graphic card
driver, which allowed me to get back to using hardware OpenGL in IDL.

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[Message index]

		Re: IDL object graphics code logs me out?! By: R.G. Stockwell on Fri, 19 June 2009 12:45
		Re: IDL object graphics code logs me out?! By: Paul Van Delst[1] on Fri, 19 June 2009 07:21
		Re: IDL object graphics code logs me out?! By: David Fanning on Thu, 18 June 2009 19:29
		Re: IDL object graphics code logs me out?! By: penteado on Thu, 18 June 2009 19:22
		Re: IDL object graphics code logs me out?! By: Paul Van Delst[1] on Thu, 18 June 2009 14:34
		Re: IDL object graphics code logs me out?! By: David Fanning on Thu, 18 June 2009 14:27
		Re: IDL object graphics code logs me out?! By: Paul Van Delst[1] on Tue, 23 June 2009 09:06

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