[R-pkg-devel] Solaris segfaults

[Ben Bolker]

   I may have asked something like this before, but ...

The glmmTMB package is currently segfaulting (on the very first example) 
on its CRAN Solaris checks
https://www.r-project.org/nosvn/R.check/r-patched-solaris-x86/glmmTMB-00check.html

----
 > ## Comparing variance-covariance matrix with manual computation
 > data("sleepstudy",package="lme4")
 > fm4 <- glmmTMB(Reaction ~ Days + (Days|Subject), sleepstudy)

  *** caught segfault ***
address 4539ec45, cause 'memory not mapped'
---



  We have to submit a new version to CRAN soon; we will most likely beg 
the CRAN maintainers' indulgence for having it fail on Solaris, but it 
would be nice to fix it if we can.

    The CRAN Solaris platform is 64-bit x86_64, using gcc/g++ because 
the package uses Rcpp.

   The package builds/checks fine on the r-hub `solaris-x86-patched` 
platform, which is identical as far as I can tell **except** 32-bit 
rather than 64-bit.

   Short of installing 64-bit Solaris in a VM (which I have not done yet 
because of random compatibility/command-line bullshittery that put me 
off), does anyone have any wisdom to share for diagnosing and/or 
guessing what the problem is?

   Here are some links to similar errors, none of them seem terribly 
useful/relevant.

https://github.com/gagolews/stringi/issues/94
https://mran.microsoft.com/snapshot/2017-07-05/web/checks/check_results_vcfR.html
https://www.r-project.org/nosvn/R.check/r-patched-solaris-x86/prt-00check.html

   glmmTMB is built on a pretty big stack (Eigen, Rcpp, RcppEigen, 
CppAD, TMB) - the problem could be somewhere in there (the TMB package 
runs no tests and very few examples on CRAN, so there could be problems 
there that only get flagged when we try glmmTMB examples).

More discussion at
  https://github.com/glmmTMB/glmmTMB/issues/732 (with some red herrings) 
if anyone is interested.

   cheers
    Ben Bolker