- Solved
System runs great for about a day before locking up on 6.11.0 & 6.11.1. Had to do a hard reboot. This has happened several times, going back to 6.9.2... Log file below.
Intel® Core™ i5-4670K CPU @ 3.40GHz, 16gb of ddr3 Ram, Gigabyte Ga-Z87-D3HP motherboard, GeForce GTX 550 Ti Gpu.