280681 2024-10-01 07:23:40 -0700 [GTK] WebKitWebProcess not reused nor freed after "timeout" 2024-10-01 09:16:45 -0700 1 1 1 Unclassified WebKit WebKitGTK Other Unspecified Unspecified NEW P2 Normal --- 1 mcrha webkit-unassigned bugs-noreply mcatanzaro yaneti oldest_to_newest 2064511 0 472750 mcrha 2024-10-01 07:23:40 -0700 Created attachment 472750 wk2.c (reproducer) Follow up from bug #279914, still with webkit2gtk4.1-2.46.0-3.fc42.x86_64 Steps: 1) get the reproducer from the attachment, just compile & run it (see the first line of the file) 2) whenever you click the "Reload" button there are added new WebKitWebProcess-es, even though the URL-s being opened in the web view are the same. The Reload first loads "evo-file://...." URL, then "mail://..." URL, in both cases the same URL-s no change in them, thus the re-use might be possible, but that does not happen, new WebProcess-es are created regardless. (My) Theory: reuse works for http://, https://, maybe file://, but when there are used custom schemes it misbehaves. The second problem: the bug #279914 mentions the unused processes might get vanished after some time (can be 5 minutes or 30 minutes), but they stay there even after two hours of the application being idle, user not interacting with it. 2064513 1 mcatanzaro 2024-10-01 07:45:38 -0700 This will be a blocker for porting Evolution to GTK 4 since PSON is mandatory there. 2064516 2 mcrha 2024-10-01 08:04:17 -0700 > This will be a blocker for porting Evolution to GTK 4 since PSON is mandatory there. I'm not sure of it. The web view changes the origin, but it's not like the mail:// contains other than mail:// iframes. The other resources are handled by the Evolution itself, the WebView/WebPage does not have access to the Internet (virtually speaking, because WebKit does not ask for each and ever URL, like the preload DNS and some others). Anyway, gtk4 for evo is too far away, do not make it stop you from fixing current bugs. 472750 2024-10-01 07:23:40 -0700 2024-10-01 07:23:40 -0700 wk2.c (reproducer) wk2.c text/plain 12813 mcrha LyogZ2NjIGBwa2ctY29uZmlnIC0tY2ZsYWdzIC0tbGlicyBndGsrLTMuMCB3ZWJraXQyZ3RrLTQu MWAgd2syLmMgLWcgLU8wIC1vIHdrMiAmJiAuL3drMiAqLwoKI2luY2x1ZGUgPHN0ZGlvLmg+CiNp bmNsdWRlIDxzdGRsaWIuaD4KI2luY2x1ZGUgPHN0cmluZy5oPgojaW5jbHVkZSA8Z3RrL2d0ay5o PgojaW5jbHVkZSA8d2Via2l0Mi93ZWJraXQyLmg+CgpzdGF0aWMgR1RpbWVyICp0aW1lciA9IE5V TEw7CgpzdGF0aWMgdm9pZApyZWFkeV90b19zaG93X2NiIChXZWJLaXRXZWJWaWV3ICp3ZWJfdmll dywKCQkgIGdwb2ludGVyIHVzZXJfZGF0YSkKewoJLy9wcmludGYgKCIgICAgICVzOiBhZnRlciAl Z3NcbiIsIF9fRlVOQ1RJT05fXywgZ190aW1lcl9lbGFwc2VkICh0aW1lciwgTlVMTCkpOwp9Cgpz dGF0aWMgdm9pZApsb2FkX2NoYW5nZWRfY2IgKFdlYktpdFdlYlZpZXcgKndlYl92aWV3LAoJCSBX ZWJLaXRMb2FkRXZlbnQgbG9hZF9ldmVudCwKCQkgZ3BvaW50ZXIgdXNlcl9kYXRhKQp7CgkvKnBy aW50ZiAoIiAgICAgJXM6ICVzIGFmdGVyICVncyBvbiB2aWV3OiVwIFdlYlBhZ2UgJSIgR19HVUlO 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