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Run 6 ended neither frozen nor in GAME OVER: freeze_watch reported EMULATOR GONE at 810s and the 1.1 MB Canary log simply stops mid-activity, with ZERO occurrences of CRASH, Access Violation, GUEST-THROW, assert, Fatal or abort, and no shutdown line. Memory pressure is recorded as a suspect and explicitly not as a conclusion. The cgroup had reached its 7 GiB ceiling (memory.peak == memory.max) with 4421 allocation stalls at the limit, and page cache - inflated by the disc-wide format sweeps that read every .pak - was 4.68 GB of it. But memory.events:oom_kill is 0, so the cgroup OOM killer did not do this, and nothing identifies what did. Two operational notes fall out: /dev/shm/xenia_memory_* survives a dead run (342 MB resident) and run-canary only clears it at launch, and vm.drop_caches is not writable here, so page cache can only be left to the kernel. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PMRJjbxLqZtsb5Vb7KunPE