[PANIC] at drivers/drm/drm_irq.c:976 with 3.16-rc2+git

[Ed Tomlinson]

Hi

Got the following panic runing 16-rc2 + git.  The latest commit was:

commit d91d66e88ea95b6dd21958834414009614385153
Merge: 07f4695 6663a4f
Author: Linus Torvalds <torvalds at linux-foundation.org>
Date:   Wed Jun 25 05:44:17 2014 -0700

I was not doing anything interesting (displaying a photo from facebook with firefox) 
when this happened.  The distribution is arch at is up to date as of june 26th.

Thanks
Ed Tomlinson