diff --git a/share/qtcreator/debugger/lldbbridge.py b/share/qtcreator/debugger/lldbbridge.py
index 5a8290b3d20..f7b9d8a0ef7 100644
--- a/share/qtcreator/debugger/lldbbridge.py
+++ b/share/qtcreator/debugger/lldbbridge.py
@@ -908,7 +908,10 @@ class Dumper(DumperBase):
         elif self.startMode_ == AttachCore:
             coreFile = args.get('coreFile', '');
             self.process = self.target.LoadCore(coreFile)
-            self.reportState('enginerunokandinferiorunrunnable')
+            if self.process.IsValid():
+                self.reportState('enginerunokandinferiorunrunnable')
+            else:
+                self.reportState('enginerunfailed')
         else:
             launchInfo = lldb.SBLaunchInfo(self.processArgs_)
             launchInfo.SetWorkingDirectory(self.workingDirectory_)
diff --git a/src/plugins/debugger/lldb/lldbengine.cpp b/src/plugins/debugger/lldb/lldbengine.cpp
index 6e26ff3e6e8..80f2fd411c5 100644
--- a/src/plugins/debugger/lldb/lldbengine.cpp
+++ b/src/plugins/debugger/lldb/lldbengine.cpp
@@ -157,6 +157,15 @@ void LldbEngine::debugLastCommand()
     runCommand(m_lastDebuggableCommand);
 }
 
+void LldbEngine::handleAttachedToCore()
+{
+    QTC_ASSERT(state() == InferiorUnrunnable, qDebug() << state();return);
+    showMessage("Attached to core.");
+    reloadFullStack();
+    reloadModules();
+    updateLocals();
+}
+
 void LldbEngine::shutdownInferior()
 {
     QTC_ASSERT(state() == InferiorShutdownRequested, qDebug() << state());
@@ -851,9 +860,11 @@ void LldbEngine::handleStateNotification(const GdbMi &reportedState)
     } else if (newState == "enginerunandinferiorstopok") {
         notifyEngineRunAndInferiorStopOk();
         continueInferior();
-    } else if (newState == "enginerunokandinferiorunrunnable")
+    } else if (newState == "enginerunokandinferiorunrunnable") {
         notifyEngineRunOkAndInferiorUnrunnable();
-    else if (newState == "inferiorshutdownfinished")
+        if (runParameters().startMode == AttachCore)
+            handleAttachedToCore();
+    } else if (newState == "inferiorshutdownfinished")
         notifyInferiorShutdownFinished();
     else if (newState == "engineshutdownfinished")
         notifyEngineShutdownFinished();
diff --git a/src/plugins/debugger/lldb/lldbengine.h b/src/plugins/debugger/lldb/lldbengine.h
index 46a4b745785..f52cf3dd99d 100644
--- a/src/plugins/debugger/lldb/lldbengine.h
+++ b/src/plugins/debugger/lldb/lldbengine.h
@@ -136,6 +136,7 @@ private:
 
     void runCommand(const DebuggerCommand &cmd) override;
     void debugLastCommand() override;
+    void handleAttachedToCore();
 
 private:
     DebuggerCommand m_lastDebuggableCommand;