[R-SIG-Mac] R 2.3 crashes when attempting package installation

[mcohen at mail.la.utexas.edu]

I am using the latest R (2.3) within Emacs/ESS on an iMac G5.

When I type "install.packages()" within R, the program crashes, generating the
following error:

> install.packages()
--- Please select a CRAN mirror for use in this session ---

*** caught segfault ***
address 0x5f4d4550, cause 'memory not mapped'

Traceback:
1: download.file(url = paste(repos, "PACKAGES.gz", sep = "/"), destfile = tmpf, 
   method = method, cacheOK = FALSE, quiet = TRUE, mode = "wb")
2: try(download.file(url = paste(repos, "PACKAGES.gz", sep = "/"),     destfile
= tmpf, method = method, cacheOK = FALSE, quiet = TRUE,     mode = "wb"),
silent = TRUE)
3: available.packages(contriburl = contriburl, method = method)
4: install.packages()

What am I doing wrong?

Matt