https://bugs.freedesktop.org/show_bug.cgi?id=78453
--- Comment #47 from vincent vljn@ovi.com --- When using the radeon.lockup_timeout=0 eglinfo (and every other egl apps) never finishes, probably waiting for a fence, but I still can switch tty. That's with kernel 3.12+ (otoh with 3.14.3 if I try to run a egl app, I have garbage on display and my monitor shutdown, and is never brought up, there is probably others issues introduced after hawaii commit as suggested)
The radeon_fence_info are the same between several run.