https://bugs.freedesktop.org/show_bug.cgi?id=86244
--- Comment #2 from Takashi Iwai tiwai@suse.de --- I'll ask reporters to test with the latest 3.18-rc. The stack trace looks different, but let's hope it's because of different triggeer path due to memory corruption.
Any way to work around without that patch? Passing radeon.audio=0 would do?