dear R developers---I am running a pure R program on the stock binary
debian (ubuntu) 64-bit linux distribution, 3.0.1. for identification,
20abb3a1d917bce52a10dd40cb47b82b /usr/lib/R/bin/exec/R
58ebc91f143f752610c8dbe22182f3f3 /usr/lib/libR.so
my R program loads 5 big matrices (about 1GB each)and rbind's them, all on
a 16GB machine. alas, in one particular run, I am getting a mysterious
Error in rbind(deparse.level, ...) :
'pairlist' object cannot be coerced to type 'double'
so I dropped into the R debugger (option(error=recover)) and tried to do
the rbind by hand again to figure out what this error message means in this
context. (it works just fine with other combinations.) when I thus am
trying to run it again, I am getting a
Browse[1]> head(rbind(dm,db))
*** caught segfault ***
address 0x10, cause 'memory not mapped'
Traceback:
1: rbind(deparse.level, ...)
2: rbind(dm, db)
3: head(rbind(dm, db))
4: eval(expr, envir, enclos)
...
I then created a core dump (where R prompts me), which goes for 82 levels
(to _start), so its not an infinite recursion problem, but it does seem to
recurse some. I don't have symbols in my R binary, so the location may not
be useful, but I thought I would let you guys know. alas
(gdb) bt
#0 0x00007ff956be3857 in ?? () from /usr/lib/R/lib/libR.so
#1 0x00007ff956be67d3 in Rf_allocVector () from /usr/lib/R/lib/libR.so
#2 0x00007ff956b90338 in ?? () from /usr/lib/R/lib/libR.so
#3 0x00007ff956b8fcfa in ?? () from /usr/lib/R/lib/libR.so
#4 0x00007ff956b90875 in Rf_duplicate () from /usr/lib/R/lib/libR.so
#5 0x00007ff956b48e98 in ?? () from /usr/lib/R/lib/libR.so
#6 0x00007ff956bb56da in ?? () from /usr/lib/R/lib/libR.so
#7 0x00007ff956bba9a8 in Rf_eval () from /usr/lib/R/lib/libR.so
#8 0x00007ff956bbec39 in Rf_applyClosure () from /usr/lib/R/lib/libR.so
#9 0x00007ff956b44c38 in ?? () from /usr/lib/R/lib/libR.so
#10 0x00007ff956be80a0 in ?? () from /usr/lib/R/lib/libR.so
#11 0x00007ff956bae21a in ?? () from /usr/lib/R/lib/libR.so
#12 0x00007ff956bba9a8 in Rf_eval () from /usr/lib/R/lib/libR.so
#13 0x00007ff956bbec39 in Rf_applyClosure () from /usr/lib/R/lib/libR.so
its replicable. not sure if this is of any interest...just trying to help.
please ignore if uninteresting.
regards,
/iaw
----
Ivo Welch (ivo.we...@gmail.com)
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