Merge #560

560: Disable SMP for Arm cpus. r=karknu a=karknu There is an RTS SMP bug in 8.6.x and earlier which affects Arm. https://gitlab.haskell.org/ghc/ghc/merge_requests/734 Co-authored-by: Karl Knutsson <[email protected]>
IntersectMBO · Feb 11, 2020 · 89de219 · 89de219
2 parents b2c7db0 + d170b91
commit 89de219
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/cardano-node/cardano-node.cabal b/cardano-node/cardano-node.cabal
@@ -143,8 +143,11 @@ executable cardano-node
   ghc-options:         -threaded
                        -Wall
                        -rtsopts
-                       "-with-rtsopts=-T -I0 -N2 -A16m"
                        -fno-warn-unticked-promoted-constructors
+  if arch(arm)
+    ghc-options:         "-with-rtsopts=-T -I0 -N1 -A16m"
+  else
+    ghc-options:         "-with-rtsopts=-T -I0 -N2 -A16m"
 
   build-depends:       base >=4.12 && <5
                      , cardano-config