https://bugs.freedesktop.org/show_bug.cgi?id=83998
--- Comment #5 from Andy Furniss adf.lists@gmail.com --- This bug is still alive for me.
Have randomly tested and reproduced since reporting and failed to reproduce with
6327b584155d040ae089e65fd6747186bdd9666b reverted.
Just retried with the new agd5f drm-next-319-wip and it's still there - though this time I got and oops which mentions radeon/ttm so uploading.
To produce I am running a script running mplayer on various blu-rays on hard disk.
It's not aggressive - run for 10 sec sleep for three ....
I added a counter and it got up to 29 before oopsing.