php composer

今まで、
curl -sS https://getcomposer.org/installer | php 
をやると、segmentation faultが起きて失敗するか、
だったが、今問題なくcomposer.pharがつくれた、原因不明

curl -sS https://getcomposer.org/installer | php 
Downloading 1.2.1...

Composer successfully installed to: /home/kei/composer.phar
Use it: php composer.phar
Some settings on your machine may cause stability issues with Composer.
If you encounter issues, try to change the following:

The xdebug extension is loaded, this can slow down Composer a little.
Disabling it when using Composer is recommended.