[R-SIG-Mac] help difficulties on

[David Winsemius]

On Feb 10, 2010, at 4:44 PM, Ben Bolker wrote:

>  Dear R-sig-Mac'ers:
>
>  I'm posting on behalf of a student who is having trouble with
> accessing the help files in R.app (I think) on MacOS X.4 (I think
> X.4.11?) .  The basic symptom is that in a clean R session she gets
> results like this:
>
>> ?plot
> Error in file(out, "wt") : cannot open the connection
>
>  This is generic (i.e. happens with any help request).  After a bit
> more poking around we triggered
>
> 2010-02-09 15:20:21.010 R[16728] *** Exception handlers were not
> properly removed. Some code has jumped or returned out of an
> NS_DURING...NS_HANDLER region without using the NS_VOIDRETURN or
> NS_VALUERETURN macros.
> R(16728,0xa000ed88) malloc: *** error for object 0x3b610038:
> Non-aligned pointer being freed
> R(16728,0xa000ed88) malloc: *** set a breakpoint in szone_error to
> debug
> R(16728,0xa000ed88) malloc: ***  Deallocation of a pointer not
> malloced: 0x41d60; This could be a double free(), or free() called
> with the middle of an allocated block; Try setting environment
> variable MallocHelp to see tools to help debug
>
>  We have both tried searching/googling for this particular problem,
> without success -- found a fair amount about issues with help.start()
> when running firewalls, but nothing that seemed to match our  
> situation.
>
>  * Does this ring any bells for anyone? Have we missed something
> obvious (I hope)?  What are the next steps in the
> diagnostic/troubleshooting pathway?
>
>  * Is there a searchable version of the R-sig-mac archives?
> Rsitesearch doesn't seem to offer it, and the R-sig-mac archives  
> seem to
> be available only month-by-month (& not searchable), as far as I can  
> tell.

You can dummy up a search function for the r-sig-mac archives by using  
the Google advanced search with the domain name restricted to:

https://stat.ethz.ch/pipermail/r-sig-mac/

http://www.google.com/search?hl=en&as_q=hekp+problems&as_epq=&as_oq=&as_eq=&num=10&lr=&as_filetype=&ft=i&as_sitesearch=https%3A%2F%2Fstat.ethz.ch%2Fpipermail%2Fr-sig-mac%2F&as_qdr=all&as_rights=&as_occt=any&cr=&as_nlo=&as_nhi=&safe=images

I'm pretty sure that Gmane also archives r-sig-mac and I noticed that  
is what the BioConductor page refers people to for their list.


>
>  thanks,
>    Ben Bolker
>
>> sessionInfo()
> R version 2.10.1 (2009-12-14)
> powerpc-apple-darwin8.11.1
>
> locale:
> [1] en_US.UTF-8/en_US.UTF-8/C/C/en_US.UTF-8/en_US.UTF-8
>
> attached base packages:
> [1] stats     graphics  grDevices utils     datasets  methods
> [7] base
>
> loaded via a namespace (and not attached):
> [1] tools_2.10.1
>
> -- 
> Ben Bolker
> Associate professor, Biology Dep't, Univ. of Florida
> bolker at ufl.edu / people.biology.ufl.edu/bolker
> GPG key: people.biology.ufl.edu/bolker/benbolker-publickey.asc
>
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David Winsemius, MD
Heritage Laboratories
West Hartford, CT