[wp-hackers] Wordpress 3.3.1 wp_rewrite bug

[John Blackbourn]

On 6 April 2012 19:14, zhaiziming at gmail.com <zhaiziming at gmail.com> wrote:
> Hey guys,
>
> I just upgraded my wordpress from 2.9.2 to 3.3.1, and some of the category
> pages are broken. Wordpress treats these pages as posts or attachments
> instead. The problem is that some post "post-name" is the same as category
> "slug".

What permalink structure are you using on your site? Can you try
disabling all your plugins to see if the problem persists?