Linux 4.15.0-36-generic - Mint 19, x86_64
GeForce GTX 760, driver ver. 390.77
2.80 (sub 26), branch: blender2.8, commit date: 2018-10-13 21:55, hash: 55e3c17ccc1, type: Release
build date: 2018-10-13, 23:54:48
Short description of error
2.8 Cycles GPU (or hybrid) rendering gives result with artefacts. Attached picture shows result of hybrid rendering. Only GPU rendering makes artefacts everywhere on picture.
Exact steps for others to reproduce the error
Original blendfile and system_info (zip) attached