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It seems (from the debugger output) that this is corruption in the R
memory allocation routines. Such things can usually be tracked down
via valgrind and a valgrind-instrumented build of R, but I cannot
trigger this on any system with valgrind. I've tried 64- and 32-bit
versions, and Latin-1 locales as well as UTF-8.
So I am inclining to think this is Windows-specific. One thing that
is specific to Windows is UCS-2 (16-bit) wide characters, which might
be the issue. But we simply don't have the tools on Windows that we
do on other platforms.
On Wed, 9 Dec 2009, g.russ...@eos-solutions.com wrote:
> Hello Peter,
>
> I have now installed R-2.10.1 RC (sessionInfo() says "R version 2.10.1 RC
> (2009-12-06 r50684)", the rest I believe is as before). The following code
> always brings R --vanilla down (with a crash, not a normal exit):
> -- cut here --
> gctorture()
> u <- intToUtf8(c(rep(1e3,1e2),32,c(rep(1e3,1e2))))
> v <- rep(u,1e2)
> v <- sub(" ","",v)
> v %in% ""
> q()
> -- cut here --
>
> I've tried this several times now, with different effects. Sometimes R
> crashes after 'v %in% ""'. Sometimes it survives that command, but crashes
> during the q(). I have also had the error message "Fehler in match(x,
> table, nomatch = 0L) > 0L : Vergleich (6) ist nur für atomare und
> Listentypen möglich" from that command (the match seems to be the
> problem), when I type q() R still crashes.
>
> Best wishes,
>
> George Russell | KG EOS Holding GmbH & Co
>
> Tel: +49 40 2850 â 1574 | g.russ...@eos-solutions.com
>
> EOS. With head and heart in finance
>
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> Peter Dalgaard <p.dalga...@biostat.ku.dk> schrieb am 08.12.2009 11:24:50:
>
>> g.russ...@eos-solutions.com wrote:
>>> Full_Name: George Russell
>>> Version: 2.10.0
>>> OS: Windows XP Version 2002 SP 2
>>> Submission from: (NULL) (217.111.3.131)
>>>
>>>
>>> The following typed into R --vanilla induces a crash:
>>> -- cut here --
>>> gctorture()
>>> u <- intToUtf8(c(rep(1e3,1e2),32,c(rep(1e3,1e2))))
>>> v <- rep(u,1e2)
>>> v <- sub(" ","",v)
>>> v %in% ""
>>> -- cut here --
>>>
>>> sessionInfo() says:
>>>
>>> -- cut here --
>>> R version 2.10.0 (2009-10-26)
>>> i386-pc-mingw32
>>>
>>> locale:
>>> [1] LC_COLLATE=German_Germany.1252 LC_CTYPE=German_Germany.1252
>>> [3] LC_MONETARY=German_Germany.1252 LC_NUMERIC=C
>>> [5] LC_TIME=German_Germany.1252
>>>
>>> attached base packages:
>>> [1] stats graphics grDevices datasets utils methods base
>>> -- cut here --
>>>
>>> I apologise for not testing this with R-2.10.1 but as far as I can
>> see there are
>>> only source releases available so far, which I am not able to compile.
>>>
>>
>> 2.10.1 RC is available now. Please check. It does seem to be
>> reproducible in the Windows version, or at least it takes a very long
>> time, but that means running under Wine on SUSE for me. I don't see the
>> effect with the Linux build.
>>
>> --
>> O__ ---- Peter Dalgaard Ãster Farimagsgade 5, Entr.B
>> c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K
>> (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918
>> ~~~~~~~~~~ - (p.dalga...@biostat.ku.dk) FAX: (+45) 35327907
>>
>
> ______________________________________________
> R-devel@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-devel
>
--
Brian D. Ripley, rip...@stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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