diff --git a/hw/rtl/VX_alu_unit.v b/hw/rtl/VX_alu_unit.v
index 5a11e40f..1b920283 100644
--- a/hw/rtl/VX_alu_unit.v
+++ b/hw/rtl/VX_alu_unit.v
@@ -78,6 +78,8 @@ module VX_alu_unit #(
             endcase
         end       
     end
+
+    // branch
     
     wire is_jal = is_br_op && (br_op == `BR_JAL || br_op == `BR_JALR);
     wire [`NUM_THREADS-1:0][31:0] alu_jal_result = is_jal ? {`NUM_THREADS{alu_req_if.next_PC}} : alu_result; 
diff --git a/hw/rtl/afu/vortex_afu.sv b/hw/rtl/afu/vortex_afu.sv
index 3dd38958..34d514ea 100644
--- a/hw/rtl/afu/vortex_afu.sv
+++ b/hw/rtl/afu/vortex_afu.sv
@@ -739,8 +739,9 @@ always @(posedge clk) begin
 end
 
 VX_fifo_queue #(
-  .DATAW   (CCI_RD_QUEUE_DATAW),
-  .SIZE    (CCI_RD_QUEUE_SIZE)
+  .DATAW    (CCI_RD_QUEUE_DATAW),
+  .SIZE     (CCI_RD_QUEUE_SIZE),
+  .BUFFERED (1)
 ) cci_rd_req_queue (
   .clk      (clk),
   .reset    (reset),
diff --git a/hw/syn/opae/README b/hw/syn/opae/README
index 6c419892..ae8bca51 100644
--- a/hw/syn/opae/README
+++ b/hw/syn/opae/README
@@ -79,17 +79,14 @@ run -all
 # compress FPGA output files
 tar -zcvf output_files_1c.tar.gz `find ./build_fpga_1c -type f \( -iname \*.rpt -o -iname \*.txt -o -iname \*summary -o -iname \*.log \)`
 
-# compress VCD trace
+# compress log trace
 tar -zcvf run.log.tar.gz run.log
 tar -cvjf trace.vcd.tar.bz2 trace.vcd run.log
 tar -cvjf trace.vcd.tar.bz2 build_ase_arria10_1c/work/run.log build_ase_arria10_1c/work/trace.vcd
 
-# decompress VCD trace
+# decompress log trace
 tar -zxvf vortex.vcd.tar.gz
 tar -xvf vortex.vcd.tar.bz2
 
-# fixing device resource busy issue when deleting /build_ase_1c/
-lsof +D build_ase_1c
-
 # quick off synthesis
 make core
\ No newline at end of file