fix: kernel concurrency, interrupt context, and user VA safety

kernel/src/Terminal/Terminal.cpp

@@ -241,6 +241,15 @@ namespace Kt {
         g_suppressKernelLog = true;
     }
 
+    void EnablePanicOutput() {
+        // Once the graphical desktop starts, ordinary console writes are
+        // suppressed to avoid painting over it. A kernel panic is different:
+        // leaving suppression enabled makes the halted system look like a
+        // frozen desktop. Do not acquire g_termLock here; panic may have
+        // interrupted its owner on this or another CPU.
+        g_suppressKernelLog = false;
+    }
+
     int64_t ReadKernelLog(char* buf, uint64_t size) {
         if (buf == nullptr || size == 0) return 0;