[Rd] os x crash using rpanel and tcltk (PR#10495)

[Peter Dalgaard]

a.robotham at bris.ac.uk wrote:
> Hello,
> I've recently discovered a persistent issue with rpanel when running
> R.app (2.6.1) on Mac OS X 10.4.11. tcltk and rpanel load without any
> apparent error, and the interactive panels appear to work as expected,
> however upon closing the panels rpanel has created I get catastrophic
> errors and R crashes completely. For the most part R manages to crash
> with dignity and work can be saved, but sometimes it will crash
> straight out. Below is an example of an entire work session (only base
> packages loaded) with the crash at the end typical of those
> encountered:
>
>   
>> library(tcltk)
>>     
> Loading Tcl/Tk interface ... done
>   
>> library(rpanel)
>>     
> Package `rpanel', version 1.0-4
> type help(rpanel) for summary information
>   
>> density.draw <- function(panel) {
>>     
> +   plot(density(panel$x, bw = panel$h))
> +   panel
> + }
>   
>> panel <- rp.control(x = rnorm(50))
>> rp.slider(panel, h, 0.5, 5, log = TRUE, action = density.draw)
>>     
>
>  *** caught bus error ***
> address 0x0, cause 'non-existent physical address'
>
> Possible actions:
> 1: abort (with core dump, if enabled)
> 2: normal R exit
> 3: exit R without saving workspace
> 4: exit R saving workspace
>
> All packages that are required are up to date, and I can find no
> evidence of similar issues from searching the mailing lists. Any
> suggestions would be appreciated.
>
>   
Can you run this under gdb? A breakpoint in the error handler and a 
backtrace could be valuable.

> Aaron
>
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> R-devel at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-devel
>   


-- 
   O__  ---- Peter Dalgaard             Øster Farimagsgade 5, Entr.B
  c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
 (*) \(*) -- University of Copenhagen   Denmark          Ph:  (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)                  FAX: (+45) 35327907