[Webkit-unassigned] [Bug 106108] New: [Mac Lion] [WK2] WebProcess become unresponsive while running layout tests

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=106108

           Summary: [Mac Lion] [WK2] WebProcess become unresponsive while
                    running layout tests
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Keywords: LayoutTestFailure, NeedsRadar
          Severity: Normal
          Priority: P1
         Component: WebKit2
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: rniwa at webkit.org
                CC: eric at webkit.org, ap at webkit.org, sam at webkit.org,
                    abarth at webkit.org, webkit-bug-importer at group.apple.com


I'm seeing multiple indefinite set of tests crashing with outputs like:

No crash log found for WebProcess:74888.
Process failed to become responsive before timing out.

stdout:
Timed out waiting for final message from web process

stderr:
#PROCESS UNRESPONSIVE - WebProcess (pid 74888)
#EOF

on Lion debug bots for the past couple of days (sorry, I should have filed earlier but there had been 7-8 other crashes and assertion failures so I'm going through them one by one)

e.g.
http://build.webkit.org/results/Apple%20Lion%20Release%20WK2%20(Tests)/r138805%20(6632)/results.html
http://build.webkit.org/results/Apple%20Lion%20Release%20WK2%20(Tests)/r138804%20(6631)/results.html
http://build.webkit.org/results/Apple%20Lion%20Release%20WK2%20(Tests)/r138802%20(6630)/results.html

It's happening on almost every build.

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