From bbcd98580d84101011773bcd9159d51be893e062 Mon Sep 17 00:00:00 2001
From: Shiv Shah <shiv.shah@oracle.com>
Date: Tue, 26 May 2026 15:07:13 +0000
Subject: [PATCH] 8384958: Regression of
 jvmti/init/GetAllStackTraces/getallstktr001.java caused by JDK-8382273

Reviewed-by: lmesnik, sspitsyn
---
 .../nsk/jvmti/unit/GetAllStackTraces/getallstktr001.java   | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/GetAllStackTraces/getallstktr001.java b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/GetAllStackTraces/getallstktr001.java
index b0172ba01b5..c92498fd243 100644
--- a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/GetAllStackTraces/getallstktr001.java
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/unit/GetAllStackTraces/getallstktr001.java
@@ -23,7 +23,6 @@
 
 package nsk.jvmti.unit.GetAllStackTraces;
 
-import jdk.test.lib.thread.ThreadWrapper;
 import java.io.PrintStream;
 import nsk.share.Consts;
 
@@ -118,8 +117,12 @@ public class getallstktr001 {
         }
         return GetResult();
     }
+    // Note: TestThread must extend Thread, not ThreadWrapper. This test uses
+    // JVMTI GetAllStackTraces which only returns platform threads, and 40
+    // threads blocking on native RawMonitorEnter pins carriers causing deadlock.
+    // See JDK-8384958.
 
-    static class TestThread extends ThreadWrapper {
+    static class TestThread extends Thread {
         static int counter=0;
         int ind;
         public TestThread(String name) {