[R-SIG-Mac] strange segfault error in R from command-line on Mac laptop

Simon Urbanek @|mon@urb@nek @end|ng |rom R-project@org
Wed Sep 29 23:24:13 CEST 2021


can you send me the crash log, please? (Utilities ->Console->User Reports).


> On Sep 30, 2021, at 7:17 AM, Jeffrey Rosenthal <jeff using math.toronto.edu> wrote:
> Hello.  I often use R from the command-line (i.e. just typing "R") within the "Terminal" application on my MacBook Pro laptop.  And sometimes I get a sudden strange error "*** caught segfault *** address 0x10, cause 'memory not mapped'" (after which R allows me to abort/exit/etc, but not to continue).  It occurs when using the arrow or delete keys (perhaps related to readline?).  After much testing, I have found a very simple reproducible minimal example. Namely, if I start R from the command line, and then type "plot(0)", and then type any character (e.g. "a") and then the delete key, then it always triggers this error.  Does this error occur for anyone else?  Any ideas how to fix it?
> I know that this problem is quite specific to my Mac laptop set-up; it does not occur on my iMac nor on my friend's Mac.  On the other hand, I did try upgrading R and that did not fix it.  My sessionInfo() output follows.  I am *not* saving R history, nor setting R_SAVEHIST, and I do *not* have any .Rhistory or .Rapp.history file in my directory.  Thank you very much for any suggestions!
> --------------------------------------------
>> sessionInfo()
> R version 4.0.2 (2020-06-22)
> Platform: x86_64-apple-darwin17.0 (64-bit)
> Running under: macOS Catalina 10.15.7
> Matrix products: default
> /Library/Frameworks/R.framework/Versions/4.0/Resources/lib/libRblas.dylib
> /Library/Frameworks/R.framework/Versions/4.0/Resources/lib/libRlapack.dylib
> locale:
> [1] en_CA.UTF-8/en_CA.UTF-8/en_CA.UTF-8/C/en_CA.UTF-8/en_CA.UTF-8
> attached base packages:
> [1] stats     graphics  grDevices utils     datasets  methods   base
> loaded via a namespace (and not attached):
> [1] compiler_4.0.2
> ------------------------------------------------
>   Jeffrey S. Rosenthal
>   Professor of Statistics, University of Toronto
>   Web site: http://probability.ca/jeff/
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