https://bugs.freedesktop.org/show_bug.cgi?id=111759
--- Comment #1 from Pierre-Eric Pelloux-Prayer pierre-eric.pelloux-prayer@amd.com --- See also https://bugs.freedesktop.org/show_bug.cgi?id=111481 were similar issues were reported.
For now, it seems that the only reliable workaround is to use the Mesa environment variable "AMD_DEBUG=nodma".