Bug 280014

Summary:	REGRESSION(247615@main): [WPE][GTK] Suspended cached web processes remain forever after UI process terminates uncleanly
Product:	WebKit	Reporter:	Michael Catanzaro <mcatanzaro>
Component:	WebKitGTK	Assignee:	Michael Catanzaro <mcatanzaro>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	bugs-noreply, mcatanzaro
Priority:	P2
Version:	Other
Hardware:	Unspecified
OS:	Unspecified
See Also:	https://bugs.webkit.org/show_bug.cgi?id=279913 https://bugs.webkit.org/show_bug.cgi?id=280631

Description Michael Catanzaro 2024-09-19 14:05:50 PDT

Splitting this out of bug #279913:

 * Run Epiphany or MiniBrowser in a terminal
 * Open a tab and close it, wait until the web process cache suspends the corresponding web process
 * Ctrl+C

Notice the web process remains in suspended state forever. Its only mechanism to quit itself is to receive a HUP event on its IPC connection to the UI process, but that cannot happen because it is suspended. Only the UI process can unsuspend it, but the UI process is gone. We would need a new process monitor auxiliary process to fix this.

Comment 1 Michael Catanzaro 2024-09-19 14:09:35 PDT

Pull request: https://github.com/WebKit/WebKit/pull/33930

Comment 2 EWS 2024-09-30 12:39:18 PDT

Committed 284462@main (a585b00cb55e): <https://commits.webkit.org/284462@main>

Reviewed commits have been landed. Closing PR #33930 and removing active labels.

Comment 3 Michael Catanzaro 2024-09-30 12:53:06 PDT

Created bug #280631 to follow up and reenable process suspension.