[Webkit-unassigned] [Bug 130032] New: Web Inspector: Hang in Remote Inspection triggering breakpoint from console

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=130032

           Summary: Web Inspector: Hang in Remote Inspection triggering
                    breakpoint from console
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Inspector
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: joepeck at webkit.org
                CC: timothy at apple.com, ggaren at apple.com,
                    joepeck at webkit.org,
                    webkit-bug-importer at group.apple.com,
                    graouts at webkit.org


* SUMMARY
By hitting the breakpoint on our serial dispatch_queue for debuggable connections we run a nested runloop and block future tasks on that queue, including any incoming debugger commands!

* TEST:
<script>
function foo() {
    console.log('a');
    console.log('b');
    console.log('c');
}
</script>

* STEPS TO REPRODUCE
1. Remotely inspect test.
2. Set a breakpoint in foo (e.g. "b" line)
3. In console: js> foo();
  => Breakpoint is hit, and we can no longer do anything.

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