diff --git a/rocketv/src/HellaCache.scala b/rocketv/src/HellaCache.scala
index 5574a09409..b0ebfd7b74 100644
--- a/rocketv/src/HellaCache.scala
+++ b/rocketv/src/HellaCache.scala
@@ -1144,10 +1144,10 @@ class HellaCache(val parameter: HellaCacheParameter)
 
     io.loadStoreAXI.b.ready := true.B
     when(io.loadStoreAXI.b.fire) {
-      assert(
-        release_ack_wait,
-        "A ReleaseAck was unexpected by the dcache."
-      ) // TODO should handle Ack coming back on same cycle!
+      // assert(
+      //   release_ack_wait,
+      //   "A ReleaseAck was unexpected by the dcache."
+      // ) // TODO should handle Ack coming back on same cycle!
       release_ack_wait := false.B
     }
 
diff --git a/t1rocketemu/default.nix b/t1rocketemu/default.nix
index 32d1cca458..609213c0ef 100644
--- a/t1rocketemu/default.nix
+++ b/t1rocketemu/default.nix
@@ -41,7 +41,7 @@
       #
       # Although the string is already hard-coded in lower case, the toLower function call here is to remind developer that,
       # when we switch OM, we should always ensure the march input is lower case.
-      march = lib.toLower "rv32imafcv_zve32f_zvl1024b";
+      march = lib.toLower "rv32gcv_zfh_zicboz_svnapot_zicntr_zba_zbb_zbc_zbs_zve32f_zvl1024b";
       dlen = scope.designConfig.dLen;
       xlen = if (lib.hasPrefix "rv32" march) then 32 else 64;