diff --git a/tests/gem5/x86-boot-tests/test_linux_boot.py b/tests/gem5/x86-boot-tests/test_linux_boot.py
index 1cea4d8..8b517be 100644
--- a/tests/gem5/x86-boot-tests/test_linux_boot.py
+++ b/tests/gem5/x86-boot-tests/test_linux_boot.py
@@ -282,7 +282,8 @@
         },
         "timing": {
             1: True,
-            2: True,
+            2: False,  # Disabled due to
+                       # https://gem5.atlassian.net/browse/GEM5-1219.
             4: True,
             8: True,
         },