diff --git a/debian/changelog b/debian/changelog
index 2e5fe6586..dd896190b 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -3,6 +3,7 @@ linux (4.17.8-2) UNRELEASED; urgency=medium
   * [armhf] gpu: host1x: Drop my build fix in favour of upstream fix:
     - Revert "Revert "gpu: host1x: Add IOMMU support""
     - gpu: host1x: Fix compiler errors by converting to dma_addr_t
+  * [ia64] sched: Disable SCHED_STACK_END_CHECK (Closes: #905461)
 
  -- Ben Hutchings <ben@decadent.org.uk>  Sun, 05 Aug 2018 19:37:24 +0800
 
diff --git a/debian/config/ia64/config b/debian/config/ia64/config
index 9fec63021..9c3948937 100644
--- a/debian/config/ia64/config
+++ b/debian/config/ia64/config
@@ -757,6 +757,12 @@ CONFIG_FB_TRIDENT=m
 ##
 CONFIG_PSTORE=y
 
+##
+## file: lib/Kconfig.debug
+##
+#. Broken here (#905461)
+# CONFIG_SCHED_STACK_END_CHECK is not set
+
 ##
 ## file: lib/xz/Kconfig
 ##