<6> [149.105857] [IGT] gem_tiled_swapping: executing
<6> [150.410142] [IGT] gem_tiled_swapping: starting subtest non-threaded
<6> [553.005055] gem_tiled_swapp (1065) used greatest stack depth: 11240 bytes left
Last occurrence 2 weeks and 4 days ago (292 runs). Previously occurred every ~100 runs so is potentially still active and needs investigation.
After chatting with Chris, this doesn't seem worthy of action. It's a swap test, we expect it to be slow, so as long as it doesn't lockup, it's fine