Open the testcase from bug 1870488 (https://bug1870488.bmoattachments.org/attachment.cgi?id=9369102) Monitor the total system RAM usage. That will quickly start increasing. Eventually the whole machine will crash. Regression Range: https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=3dce5e36c6b14847da5e1f23642615b94cae35dd&tochange=e0683c733cf9569c6fde4f57852efbb2befc8740 Strong suspicion: bug 1746110
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Open the testcase from bug 1870488 (https://bug1870488.bmoattachments.org/attachment.cgi?id=9369102) AR: The VRAM quickly starts increasing (The process level RAM doesnt increase, but the total system-level RAM increases) The GPU use is very low Rapid fluctuation in process-level RAM (250MB-700MB) After a while, my computer would freeze/crash Regression Range: https://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=3dce5e36c6b14847da5e1f23642615b94cae35dd&tochange=e0683c733cf9569c6fde4f57852efbb2befc8740 Strong suspicion: bug 1746110