[R-SIG-Mac] rgl crashes after one successful draw on R.app

Roger Koenker rkoenker at illinois.edu
Wed May 29 23:49:57 CEST 2013


I doubt that this is helpful, but I get:

> rgl.open()
Reading symbols for shared libraries . done

Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_INVALID_ADDRESS at address: 0x00000000000000e8
0x0000000102e31a90 in gui::X11GUIFactory::createWindowImpl (this=0x1006871d0, 
    window=0x7fff5fbfd330) at x11gui.cpp:612
612	  ::Window xparent = RootWindow(xdisplay, DefaultScreen(xdisplay));
(gdb) Quit

url:    www.econ.uiuc.edu/~roger            Roger Koenker
email    rkoenker at uiuc.edu            Department of Economics
vox:     217-333-4558                University of Illinois
fax:       217-244-6678                Urbana, IL 61801

On May 29, 2013, at 4:37 PM, Duncan Murdoch wrote:

> On 13-05-29 11:19 AM, Bryan Hanson wrote:
>> [originally on R-help, reposted here as the most relevent place]
>> 
>> NOTE: problem is with R.app, looks OK on command line R
>> 
>> This is really odd, and probably 100% local to me, but I'm at a loss as to a next step.
>> 
>> After narrowing things down, here's how to reproduce:
> 
> I don't see it, but it looks to me like it may be a timing problem.  I'm 
> guessing the destruction of the old window triggers events in the wrong 
> order and leaves rgl in an unstable state.  Unfortunately, without being 
> able to reproduce this, it looks really hard to track down.  Can anyone 
> reproduce it while running in gdb or some other debugger?
> 
> Duncan Murdoch
> 
>> 
>> library("rgl")
>> showSomething <- function() {
>> 	open3d()
>> 	points3d(rnorm(10),rnorm(10),rnorm(10))
>> 	axes3d()
>> 	title3d('main','sub','xlab','ylab','zlab')
>> 	}
>> showSomething() # works as expected.
>> # Close the current rgl window
>> showSomething() # crashes R with the following report:
>> 
>> *** caught segfault ***
>> address 0x0, cause 'unknown'
>> 
>> Traceback:
>> 1: .C(rgl_dev_open, success = FALSE)
>> 2: rgl.open()
>> 3: open3d()
>> 4: showSomething()
>> 
>> This will probably work fine for any of you, it's so simple and fundamental.  If I don't close the open rgl windows, it doesn't crash, and I can execute the function over and over successfully.  And the same thing happens if I just do the commands inside the function individually.  SessionInfo() below.
>> 
>> Perhaps something is corrupt with my X11 window system?  Thanks, Bryan
>> 
>> R version 3.0.1 (2013-05-16)
>> Platform: x86_64-apple-darwin10.8.0 (64-bit)
>> 
>> locale:
>> [1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8
>> 
>> attached base packages:
>> [1] stats     graphics  grDevices utils     datasets  methods   base
>> 
>> other attached packages:
>> [1] rgl_0.93.940 sos_1.3-5    brew_1.0-6
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> 
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