this seems to be in fact a bug in ruby 1.9.2, disabled for now

... when running with 1.9.3 everything's peachy :/

script/ci/before.sh

@@ -13,11 +13,11 @@ sh -e /etc/init.d/xvfb start
 #bundle exec sass -q --update public/stylesheets/sass/:public/stylesheets/
 
 # setup swapfile
-echo "creating a swapfile"
-sudo dd if=/dev/zero of=swapfile bs=1M count=96
-sudo mkswap swapfile
-sudo swapon swapfile
-sudo sysctl vm.swappiness=100
+#echo "creating a swapfile"
+#sudo dd if=/dev/zero of=swapfile bs=1M count=96
+#sudo mkswap swapfile
+#sudo swapon swapfile
+#sudo sysctl vm.swappiness=100
 
 # Create a database.yml for the right database
 echo "Setting up database.yml for $DB"

spec/support/deferred_garbage_collection.rb

@@ -30,7 +30,7 @@ class DeferredGarbageCollection
     else
       running_out_of_memory = false
     end
- 
+
     if( (DEFERRED_GC_THRESHOLD > 0 && Time.now - @@last_gc_run >= DEFERRED_GC_THRESHOLD) || running_out_of_memory )
       GC.enable
       GC.start
@@ -40,7 +40,7 @@ class DeferredGarbageCollection
   end
 
   def self.unsupported_enviroment
-    # ENV['TRAVIS']
+    ENV['TRAVIS'] # TODO: enable for ruby 1.9.3 or more RAM
   end
 
 end