Also check /etc/profile and /etc/rc.local
I assume you've read this.Is there anything that sets volume during startup? Check rc.local.
How about this:https://wiki.archlinux.org/index.php/Fan_Speed_Control
- oop, nevermind.
Have you rebooted since your last kernel update?
Can xsltproc run on a url or do you need to download the file(s) first?
You may have better luck getting an answer if you include the WM/DE in the thread title.(edit: thanks - and sorry I can't be of direct help.)
It built fine here, are you using the PKGBUILD?