| Bus Error on Mac when TVRD() is called in IDL 6.4 [message #67761] |
Fri, 21 August 2009 13:18 |
ed.schmahl
Messages: 11
Registered: October 2008
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Junior Member |
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I've been getting bus errors when I call TVRD() or TVREAD() on my Mac.
I'm running IDL 6.4 under OS 10.4.11 on a Mac G4. All plot commands
that I can think of execute successfully, and my DISPLAY environment
variable is properly set (:0.0), since I'm in a single user
environment.
This seems to be a different animal than the similar problem discussed
by David
Fanning in 2006 for IDL 6.3 on a Mac (http://www.dfanning.com/tips/
maccrash.html).
He includes a link to the thread,
http://groups.google.com/group/comp.lang.idl-pvwave/browse_f rm/thread/90f0e0e47b99f2c1/7e3421b4f6a1273d?hl=en#7e3421b4f6 a1273d
Mike Galloy pointed out there that under 6.3 the command "help,
device" also caused a crash, but "help,/device" works fine for me.
IDL> help,/device
Available Graphics Devices: CGM HP LJ NULL PCL PRINTER PS REGIS TEK X
Z
Current graphics device: X
Server: X11.0, The XFree86 Project, Inc, Release 40400000
Display Depth, Size: 24 bits, (1280,800)
Visual Class: TrueColor (4)
Bits Per RGB: 8 (8/8/8)
Physical Color Map Entries (Emulated / Actual): 256 / 256
Colormap: Private, 16777216 colors. Translation table: Enabled
Graphics pixels: Combined, Dither Method: Ordered
Write Mask: 16777215 (decimal) ffffff (hex)
Graphics Function: 3 (copy)
Current Font: <default>, Current TrueType Font: <default>
Default Backing Store: Req from Server.
If my memory is correct, calls to TVRD used to work fine on this
system several months ago. Could Mac's upgrades have caused this
problem? Or should I upgrade X11?
Ed S.
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