![]() We're still able to reproduce high memory pressure, however we're no longer seeing the complete memory zone exhaustion that was leading to kernel panics. Apple indicated that they had made significant progress on this issue in the 12.3 update. We reported this issue to Apple in January 2022 (FB9857268). ![]() This problem is limited to Apple Silicon Macs and SMB volumes. Specifically, the "kext.kalloc.32768" memory zone is expanded until it can no longer be expanded ("zone_map_exhaustion" occurs), at which point the memoryd system process starts to terminate idle processes. The underlying problem appears to be a memory leak in the macOS kernel or one of the kernel extensions. We were able to reproduce this behavior using a simple shell script that creates files and folders on SMB-mounted NAS volumes (and also with Finder copies).
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