Index: source/Commands/CommandObjectThread.cpp
===================================================================
--- source/Commands/CommandObjectThread.cpp
+++ source/Commands/CommandObjectThread.cpp
@@ -73,8 +73,13 @@
         {
             Process *process = m_exe_ctx.GetProcessPtr();
             uint32_t idx = 0;
-            for (ThreadSP thread_sp : process->Threads())
+
+            // Manually iterate to avoid locking the threadlist,
+            // which can cause deadlocks when JIT-ing code
+            ThreadList thread_list = process->GetThreadList();
+            for (uint32_t i = 0; i < thread_list.GetSize(); ++i)
             {
+                ThreadSP thread_sp = thread_list.GetThreadAtIndex(i);
                 if (idx != 0 && m_add_return)
                     result.AppendMessage("");