[R-pkg-devel] Help resolving Warning for Mega2R package

Weeks, Daniel E week@ @end|ng |rom p|tt@edu
Mon Jun 23 15:29:52 CEST 2025


I'm at a loss as to how to resolve this Warning for our Mega2R package as I have no idea what is generating it nor what is meant by 'post-processing issues':

Flavor: r-devel-linux-x86_64-debian-special-gcc-san
Check: Post-processing issues found for gcc-san, Result: WARNING
   File: build_vignettes.log
   vendor/sqlite3/sqlite3.c:80239:14: runtime error: load of address
0x7faa31b1fa40 with insufficient space for an object of type 'struct
MemPage *'

According to the '00install.txt' file from the gcc-san build, the Mega2R file installed without error. It also passed all of the CRAN checks, as indicated by the "00check.log" file.

Perhaps this implies that the vignette wasn't built during the regular default CRAN check but was done later, during post-processing?

Any hints/advice on how to understand, reproduce the bug, and debug this would be most appreciated.  It sort of sounds like it was trying to load an object that wouldn't fit in memory.  If so, do you know how much memory the ggc-san test machine has?

Mega2R is currently archived on CRAN, but the source code for Mega2R is available here:

https://bitbucket.org/dweeks/mega2r/src/master/

Thank you,

-- Dan --

Daniel E. Weeks, Ph.D.
Professor of Human Genetics
Professor of Biostatistics and Health Data Science
Department of Human Genetics
School of Public Health
University of Pittsburgh
Public Health 3119
130 DeSoto Street
Pittsburgh, PA 15261
USA

(412) 624-5388
FAX: (412) 624-3020



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