Anyone care go guess what's going on here?

This started happening out of the blue. I've since updated Ruby but
still get "[BUG] Segmentation fault" on most operations involving ruby,
gem, rake, etc.

This is just an example, most every usage of gem or rake will do this.
They fail repeatedly until they work:

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[xserve:/var/www/rails] admin% sudo gem install chronic
Password:
Updating metadata for 80 gems from http://gems.rubyforge.org
................................................................................
complete
Successfully installed rubyforge-0.4.4
Successfully installed hoe-1.4.0
Successfully installed chronic-0.2.3
3 gems installed
Installing ri documentation for rubyforge-0.4.4...
/usr/local/lib/ruby/1.8/rdoc/parsers/parse_rb.rb:489: [BUG] Segmentation
fault
ruby 1.8.6 (2007-09-24) [powerpc-darwin8.11.0]

Abort
[xserve:/var/www/rails] admin% sudo gem install chronic
Successfully installed chronic-0.2.3
1 gem installed
Installing ri documentation for chronic-0.2.3...
/usr/local/lib/ruby/1.8/irb/slex.rb:72: [BUG] Segmentation fault
ruby 1.8.6 (2007-09-24) [powerpc-darwin8.11.0]

Abort
[xserve:/var/www/rails] admin% sudo gem install chronic
Successfully installed chronic-0.2.3
1 gem installed
Installing ri documentation for chronic-0.2.3...
/usr/local/lib/ruby/1.8/irb/slex.rb:76: [BUG] Segmentation fault
ruby 1.8.6 (2007-09-24) [powerpc-darwin8.11.0]

Abort
[xserve:/var/www/rails] admin% sudo gem install chronic
Successfully installed chronic-0.2.3
1 gem installed
Installing ri documentation for chronic-0.2.3...
/usr/local/lib/ruby/1.8/rdoc/parsers/parse_rb.rb:1477: [BUG]
Segmentation fault
ruby 1.8.6 (2007-09-24) [powerpc-darwin8.11.0]

Abort
[xserve:/var/www/rails] admin% sudo gem install chronic
Successfully installed chronic-0.2.3
1 gem installed
Installing ri documentation for chronic-0.2.3...
/usr/local/lib/ruby/1.8/rdoc/parsers/parse_rb.rb:384: [BUG] Segmentation
fault
ruby 1.8.6 (2007-09-24) [powerpc-darwin8.11.0]

Abort
[xserve:/var/www/rails] admin% sudo gem install chronic
Successfully installed chronic-0.2.3
1 gem installed
Installing ri documentation for chronic-0.2.3...
Installing RDoc documentation for chronic-0.2.3...
/usr/local/lib/ruby/1.8/rdoc/parsers/parse_rb.rb:122: [BUG] Segmentation
fault
ruby 1.8.6 (2007-09-24) [powerpc-darwin8.11.0]

Abort
[xserve:/var/www/rails] admin% sudo gem install chronic
/usr/local/lib/ruby/site_ruby/1.8/rubygems/source_index.rb:228: [BUG]
Segmentation fault
ruby 1.8.6 (2007-09-24) [powerpc-darwin8.11.0]

Abort
[xserve:/var/www/rails] admin% sudo gem install chronic
Successfully installed chronic-0.2.3
1 gem installed
Installing ri documentation for chronic-0.2.3...
Installing RDoc documentation for chronic-0.2.3...
[xserve:/var/www/rails] admin%


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Thanks in advance
-- 
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