PRD: Ignore scom errors for sleeping cores at checkstop

Change-Id: Id6197fa20d91fe111797f1a6e90b0328fe8dcf13
CQ: SW255800
Backport: release-fips810
Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/10259
Tested-by: Jenkins Server
Reviewed-by: Christopher T. Phan <cphan@us.ibm.com>
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
Reviewed-by: Zane Shelley <zshelle@us.ibm.com>
Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/10455

1 files changed, 14 insertions, 0 deletions

diff --git a/src/usr/diag/prdf/common/framework/register/prdfHomRegisterAccess.C b/src/usr/diag/prdf/common/framework/register/prdfHomRegisterAccess.C
index 16b9cd266..d3066aa39 100755
--- a/src/usr/diag/prdf/common/framework/register/prdfHomRegisterAccess.C
+++ b/src/usr/diag/prdf/common/framework/register/prdfHomRegisterAccess.C
@@ -36,6 +36,7 @@
 #else
   #include <ecmdDataBuffer.H>
   #include <hwsvExecutionService.H>
+  #include <hwco_service_codes.H>
 #endif
 
 #include <prdfHomRegisterAccess.H>
@@ -141,6 +142,19 @@ uint32_t ScomService::Access(TARGETING::TargetHandle_t i_target,
     }
     #endif
 
+    #ifndef __HOSTBOOT_MODULE
+    if (errlH != NULL && HWCO_SLW_IN_CHECKSTOP == errlH->getRC())
+    {
+        // We can get a flood of errors from a core in sleep/winkle at the
+        // time of a checkstop. An errorlog will already be committed for
+        // for this, so we will ignore these errors here.
+        delete errlH;
+        errlH = NULL;
+        rc = PRD_SCANCOM_FAILURE;
+        bs.Clear();
+    }
+    #endif
+
     if(errlH)
     {
         rc = PRD_SCANCOM_FAILURE;