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2016-06-04 15:28:18,000 kernel[0]: process com.apple.WebKit[410] thread 11525 caught burning CPU! It used more than 50% CPU (Actual recent usage: 77%) over 180 seconds. thread lifetime cpu usage 90.029681 seconds, (88.325765 user, 1.703916 system) ledger info: balance: 90009057998 credit: 90009057998 debit: 0 limit: 90000000000 (50%) period: 180000000000 time since last refill (ns): 116847654417

 

2016-06-04 15:28:25,051 ReportCrash[417]: Invoking spindump for pid=410 thread=11525 percent_cpu=77 duration=117 because of excessive cpu utilization

 

2016-06-04 15:28:30,625 com.apple.WebKit.WebContent[381]: ERROR: ITSExceptionHandler: {message:"TypeError: 'null' is not an object (evaluating 'document.querySelector("#header").addClassName')", url:"https://se.itunes.apple.com/htmlResources/8917/da-storefront-autoinstallations.js", lineNumber:"393"}