[Webkit-unassigned] [Bug 197056] New: Behaves in weird ways when under "low memory"

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=197056

            Bug ID: 197056
           Summary: Behaves in weird ways when under "low memory"
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKitGTK
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: bugzilla at hadess.net
                CC: bugs-noreply at webkitgtk.org

Opening a new page when the system is low enough on memory leads to a "Blank page" instead of opening the "Most visited" page. The progress bar that shows the progress loading the new tab is stuck at around 10%, the URL bar is empty, and closing the tab takes up to 5 seconds, which points to the WebProcesses not responding (or not being started).

epiphany-3.32.1.2-1.fc30.x86_64
webkit2gtk3-2.24.1-1.fc30.x86_64

In epiphany, the process-model is one-secondary-process-per-web-view, and max-processes to 5. The problem can be reproduced by opening loads of tabs until the problems occur. There's no warnings or anything else in the journal.

I can provide more information if there is some runtime debug I can enable to make WebKit spit out information from the WebProcess, such as their stdout/stderr.

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