[Webkit-unassigned] [Bug 196355] New: Application freeze as when device kept idle for few minutes and app in background

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=196355

            Bug ID: 196355
           Summary: Application freeze as when device kept idle for few
                    minutes and app in background
           Product: WebKit
           Version: Safari 12
          Hardware: iPhone / iPad
                OS: iOS 12
            Status: NEW
          Severity: Critical
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: samaresh.sahoo at motorolasolutions.com
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    zalan at apple.com

Created attachment 366177

  --> https://bugs.webkit.org/attachment.cgi?id=366177&action=review

console log take from the iphone device

We have a Hybrid mobile application. on iOS 12, we are using WKWebView. I minimise the application so that it goes in the background. I wait for the screen to lock and the application is suspended. Now, I unlock the application and tap on the application icon and bring it to the foreground. The app does not respond to the user action - e.g. tap. When I look at the log, I see the following message: check the attachment image1.png

To recover, I lock the device and unlock it (while the application is still in foreground). The application recovers and starts responding. In this case, I see the following messages in the log: check the attachment image2.png

I tried searching but could not find a related issue. Kindly suggest if I need to look into something specific. Would appreciate all the help as this is impacting our customers.

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