8010463: G1: Crashes with -UseTLAB and heap verification
Summary: Some parts of the G1 heap can only be walked during a safepoint. Skip verifying these parts of the heap when verifying during JVM startup.
Reviewed-by: brutisso, tschatzl
/*
* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/* @test TestVerifyBeforeGCDuringStartup.java
* @key gc
* @bug 8010463
* @summary Simple test run with -XX:+VerifyBeforeGC -XX:-UseTLAB to verify 8010463
* @library /testlibrary
*/
import com.oracle.java.testlibrary.OutputAnalyzer;
import com.oracle.java.testlibrary.ProcessTools;
public class TestVerifyBeforeGCDuringStartup {
public static void main(String args[]) throws Exception {
ProcessBuilder pb =
ProcessTools.createJavaProcessBuilder(System.getProperty("test.vm.opts"),
"-XX:-UseTLAB",
"-XX:+UnlockDiagnosticVMOptions",
"-XX:+VerifyBeforeGC", "-version");
OutputAnalyzer output = new OutputAnalyzer(pb.start());
output.shouldContain("[Verifying");
output.shouldHaveExitValue(0);
}
}