Since I'm using Litespeed, I followed this:
http://open.litespeedtech.com/mediawiki/index.php/Help:How_To_Set_Up_W3_Total_Cache_With_Template
Basically change minify css and page cache to cache to the disk instead of xCache. This solved my problem.
Since I'm using Litespeed, I followed this:
http://open.litespeedtech.com/mediawiki/index.php/Help:How_To_Set_Up_W3_Total_Cache_With_Template
Basically change minify css and page cache to cache to the disk instead of xCache. This solved my problem.