268860 2024-02-06 14:34:23 -0800 Regression(270212@main) XPCConnectionTerminationWatchdog is broken 2024-02-06 19:06:51 -0800 1 1 1 Unclassified WebKit WebKit2 WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 263797 1 cdumez cdumez bfulgham kkinnunen pvollan webkit-bug-importer oldest_to_newest 2011161 0 cdumez 2024-02-06 14:34:23 -0800 XPCConnectionTerminationWatchdog is broken since 270212@main. As a result, child processes are no longer getting terminated when they fail to exit promptly. This means we end up with "zombie" processes that are suspended in the middle of exit. Worse, when the child process is a GPUProcess, the connection with existed WebProcesses doesn't get severed so the WebProcesses will keep trying to IPC the "old" suspended GPUProcess and will hang on sync IPC. 2011163 1 cdumez 2024-02-06 14:34:37 -0800 <rdar://122343478> 2011164 2 cdumez 2024-02-06 14:44:46 -0800 Pull request: https://github.com/WebKit/WebKit/pull/23956 2011254 3 ews-feeder 2024-02-06 19:06:48 -0800 Committed 274189@main (0b882fd2de7f): <https://commits.webkit.org/274189@main> Reviewed commits have been landed. Closing PR #23956 and removing active labels.