[Webkit-unassigned] [Bug 86467] New: [NRWT] crash detected by mistake on Qt-WK2-Linux

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=86467

           Summary: [NRWT] crash detected by mistake on Qt-WK2-Linux
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: kbalazs at webkit.org
                CC: eric at webkit.org, dpranke at chromium.org,
                    kkristof at inf.u-szeged.hu


This has shown up in connection with https://bugs.webkit.org/show_bug.cgi?id=80691.
After I landed the patch that implements plugins with Qt 5 we experiences crashes in some compositing tests.
I believe that nrwt detect these as crashes by mistake because of the followings reasons:
 1. the crash log produced by nrwt is quite strange:
crash log for WebProcess (pid <unknown>):
STDOUT: <empty>
STDERR: <empty>
 2. I could not get any core dump for the tests
I tried to debug this via core dumps, because the crashes only occur if you run all the tests, but no dump has generated. Obviously I set up the env for this, i.e. ulimit -c unlimited + export QT_WEBKIT2_DEBUG=1 (the latter makes the Qt WTR to not to install signal handlers).
 3. There are no crash with ORWT

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