[R-pkg-devel] weird C stack traces from win-builder, due to brms/rstan load?
Duncan Murdoch
murdoch@dunc@n @end|ng |rom gm@||@com
Mon Jul 5 20:01:29 CEST 2021
On 05/07/2021 10:32 a.m., Ben Bolker wrote:
> I'm running into trouble checking a new release of the 'broom.mixed'
> package <https://cran.r-project.org/web/packages/broom.mixed/index.html>
> on win-builder. I think it is some kind of rstan problem.
>
> The broom.mixed package loads the brms package, and loads several
> pre-computed objects from the brms package; I don't think it actually
> tries to run anything of the functions from brms during the check process.
>
> At several points during checking (see
> <https://win-builder.r-project.org/LsDDMqpnX52n/00check.log>), I get
> voluminous "C stack trace" outputs: once when "Checking dependencies in
> R code", once when calling require(brms) as part of an example, once
> when running the tests (not easy to determine the precise location, and
> once when building the vignettes).
>
> The trace starts like this:
>
> ==== C stack trace ===============================
>
> SETCAR [0x0x6c838a90+32]
> ZN4Rcpp8CppClassC1EPNS_6ModuleEPNS_10class_BaseERNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE [0x0x6ac093ff+1151]
> ZN4Rcpp6Module12classes_infoEv [0x0x6ac07467+327]
> Z20Module__classes_infoP7SEXPREC [0x0x6abe1c4a+74]
> Rf_NewFrameConfirm [0x0x6c7a7d18+33960]
> R_initAssignSymbols [0x0x6c7f3259+53849]
> Rf_eval [0x0x6c7fcd31+369]
> ...
>
> and goes on for a while.
>
> R CMD check runs fine on Linux with recent r-devel.
>
> Has anyone seen this? Other than scrubbing all references to brms
> and rstan (a second try with one of the brms references avoided instead
> runs into trouble when loading rstan ...), I don't see what I can do ...
>
> <https://win-builder.r-project.org/YArr24tuYZ8G/00check.log>
>
What error do you get before the stack trace?
The Z... names look like C++ entry points to overloaded functions or
methods. There's a command line function (c++filt) that will usually
turn those into their original readable form. It's not working for me
on the names you've got; maybe because I'm on a Mac, and that was
compiled on Windows. Perhaps someone else knows how to demangle those
names?
Duncan Murdoch
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