diff --git a/src/plugins/debugger/gdb/attachgdbadapter.cpp b/src/plugins/debugger/gdb/attachgdbadapter.cpp
index a6c6390bd49..db1b5f8b3d6 100644
--- a/src/plugins/debugger/gdb/attachgdbadapter.cpp
+++ b/src/plugins/debugger/gdb/attachgdbadapter.cpp
@@ -92,12 +92,20 @@ void AttachGdbAdapter::runEngine()
 void AttachGdbAdapter::handleAttach(const GdbResponse &response)
 {
     QTC_ASSERT(state() == InferiorSetupRequested, qDebug() << state());
-    if (response.resultClass == GdbResultDone || response.resultClass == GdbResultRunning) {
+    switch (response.resultClass) {
+    case GdbResultDone:
+    case GdbResultRunning:
         showMessage(_("INFERIOR ATTACHED"));
         showMessage(msgAttachedToStoppedInferior(), StatusBar);
         m_engine->handleInferiorPrepared();
-        //m_engine->updateAll();
-    } else {
+        break;
+    case GdbResultError:
+        if (response.data.findChild("msg").data() == "ptrace: Operation not permitted.") {
+            m_engine->notifyInferiorSetupFailed(DumperHelper::msgPtraceErr(startParameters().startMode));
+            break;
+        }
+        // if msg != "ptrace: ..." fall through
+    default:
         QString msg = QString::fromLocal8Bit(response.data.findChild("msg").data());
         m_engine->notifyInferiorSetupFailed(msg);
     }
diff --git a/src/plugins/debugger/gdb/classicgdbengine.cpp b/src/plugins/debugger/gdb/classicgdbengine.cpp
index adebbc6af17..b3ab4e6ef0d 100644
--- a/src/plugins/debugger/gdb/classicgdbengine.cpp
+++ b/src/plugins/debugger/gdb/classicgdbengine.cpp
@@ -113,6 +113,24 @@ QString DumperHelper::msgDumperOutdated(double requiredVersion, double currentVe
        arg(currentVersion).arg(requiredVersion);
 }
 
+QString DumperHelper::msgPtraceError(DebuggerStartMode sm)
+{
+    if (sm == StartInternal) {
+        return QCoreApplication::translate("QtDumperHelper",
+                  "ptrace: Operation not permitted.\n\n"
+                  "Could not attach to the process. Check the settings of\n"
+                  "/proc/sys/kernel/yama/ptrace_scope\n"
+                  "For more details, see/etc/sysctl.d/10-ptrace.conf\n");
+    } else {
+        return QCoreApplication::translate("QtDumperHelper",
+                 "ptrace: Operation not permitted.\n\n"
+                 "Could not attach to the process. If your uid matches the uid\n"
+                 "of the target process, check the settings of\n"
+                 "/proc/sys/kernel/yama/ptrace_scope\n"
+                 "For more details, see/etc/sysctl.d/10-ptrace.conf\n");
+    }
+}
+
 static inline void formatQtVersion(int v, QTextStream &str)
 {
     str  << ((v >> 16) & 0xFF) << '.' << ((v >> 8) & 0xFF) << '.' << (v & 0xFF);
diff --git a/src/plugins/debugger/gdb/gdbengine.h b/src/plugins/debugger/gdb/gdbengine.h
index a0a5870ba31..7467e1d21bc 100644
--- a/src/plugins/debugger/gdb/gdbengine.h
+++ b/src/plugins/debugger/gdb/gdbengine.h
@@ -167,6 +167,7 @@ public:
     QString toString(bool debug = false) const;
 
     static QString msgDumperOutdated(double requiredVersion, double currentVersion);
+    static QString msgPtraceErr(DebuggerStartMode sm);
 
 private:
     typedef QMap<QByteArray, Type> NameTypeMap;
diff --git a/src/plugins/debugger/gdb/termgdbadapter.cpp b/src/plugins/debugger/gdb/termgdbadapter.cpp
index a78f8dde2ba..4b18867b3ce 100644
--- a/src/plugins/debugger/gdb/termgdbadapter.cpp
+++ b/src/plugins/debugger/gdb/termgdbadapter.cpp
@@ -164,6 +164,10 @@ void TermGdbAdapter::handleStubAttached(const GdbResponse &response)
         m_engine->handleInferiorPrepared();
         break;
     case GdbResultError:
+        if (response.data.findChild("msg").data() == "ptrace: Operation not permitted.") {
+            m_engine->notifyInferiorSetupFailed(DumperHelper::msgPtraceErr(startParameters().startMode));
+            break;
+        }
         m_engine->notifyInferiorSetupFailed(QString::fromLocal8Bit(response.data.findChild("msg").data()));
         break;
     default: