Revert "update pio external"

fischer-ncar · fischer-ncar · commit 8e2f51828dcb · 2025-06-23T16:44:27.000-06:00
This reverts commit 2e35f54.
diff --git a/.gitmodules b/.gitmodules
@@ -136,7 +136,7 @@
         url = https://github.com/NCAR/ParallelIO
         fxDONOTUSEurl = https://github.com/NCAR/ParallelIO
         fxrequired = ToplevelRequired
-        fxtag = pio2_6_6
+        fxtag = pio2_6_4
 
 [submodule "mpi-serial"]
         path = libraries/mpi-serial
diff --git a/ccs_config b/ccs_config
@@ -1 +1 @@
-Subproject commit 4b5e4eb54d6a0ec7de59065b897d2de2524e0ecf
+Subproject commit d01a9a9facdec476872f8414605d152889d35625
diff --git a/cime b/cime
@@ -1 +1 @@
-Subproject commit 98aca209aab05d07e51cb644bf4c3b768c5385f6
+Subproject commit 1006c39f59577d47994fb3fb897566b2b8fa12ed
diff --git a/components/cdeps b/components/cdeps
@@ -1 +1 @@
-Subproject commit fb4909b82f736e1cdf72a2fdc9c6c29b3c58b022
+Subproject commit 472264c96a14f9f97cbb087df2c2357c1dcea826
diff --git a/libraries/parallelio b/libraries/parallelio
@@ -1 +1 @@
-Subproject commit 1d516b82768ef9d2cade524724c38ab63fbe08e4
+Subproject commit a844617662cbb2b1a6445bd7560f9095ccefd180
