This blog has been down for few days, I've been so busy that I didn't try to fix it till today.

First I was extremely concerned about security as I had a security update not installed in drupal, but fortunately this wasn't the case. When I checked the apache error log I found this:
PHP Fatal error: Call to undefined function taxonomy_node_get_terms() in /*******/sites/all/modules/tagadelic/tagadelic.module on line 172

Strange, I didn't change anything in the modules lately, not even upgrading tagadelic, and taxonomy is a drupal core module so what the hell has happened?

After some diggin, I found that I'm not alone in this issue. As it appears from the comments to this guy's problem. I figured out mine.

I followed the steps of that very old issue, yeah it was reported 2005 but who knows. So that's what i did:

$ mysql DB_NAME -u USER_NAME -p
Enter password:
mysql> SELECT * FROM system where name = 'taxonomy'\G
*************************** 1. row ***************************
filename: modules/taxonomy/taxonomy.module
name: taxonomy
type: module
status: 1
throttle: 1
bootstrap: 0
schema_version: 0
weight: 0
info: a:10:{s:4:"name";s:8:"Taxonomy";s:11:"description";s:38:"Enables the categorization of content.";s:7:"package";s:15:"Core - optional";s:7:"version";s:4:"6.20";s:4:"core";s:3:"6.x";s:7:"project";s:6:"drupal";s:9:"datestamp";s:10:"1292447788";s:12:"dependencies";a:0:{}s:10:"dependents";a:0:{}s:3:"php";s:5:"4.3.5";}
owner: Enables the categorization of content.
1 row in set (0.00 sec)


Aha, taxonomy's throttle is enabled. Well this shouldn't bring down the website, maximum that could happen is to bring down tegadelic but let's try to fix it anyway


mysql> UPDATE system SET throttle = 0 WHERE name = 'taxonomy';
Query OK, 1 row affected (0.00 sec)
Rows matched: 1 Changed: 1 Warnings: 0
mysql> SELECT * FROM system where name = 'taxonomy'\G
*************************** 1. row ***************************
filename: modules/taxonomy/taxonomy.module
name: taxonomy
type: module
status: 1
throttle: 0
bootstrap: 0
schema_version: 0
weight: 0
info: a:10:{s:4:"name";s:8:"Taxonomy";s:11:"description";s:38:"Enables the categorization of content.";s:7:"package";s:15:"Core - optional";s:7:"version";s:4:"6.20";s:4:"core";s:3:"6.x";s:7:"project";s:6:"drupal";s:9:"datestamp";s:10:"1292447788";s:12:"dependencies";a:0:{}s:10:"dependents";a:0:{}s:3:"php";s:5:"4.3.5";}
owner: Enables the categorization of content.
1 row in set (0.00 sec)


and voila, things are working fine.. of course first thing to do is to update my un-updated module :)