disabled RLC AM mode temporary due to known bug

srsenb/drb.conf.example

@@ -28,25 +28,22 @@ qci_config = (
 {
   qci=9;
   pdcp_config = {
-    discard_timer = -1;                 
-    status_report_required = false;
+    discard_timer = 100;                
+    pdcp_sn_size = 12;                  
   }
   rlc_config = {
-    ul_am = {
-      t_poll_retx = 200; 
-      poll_pdu    = 16; 
-      poll_byte   = -1; 
-      max_retx_thresh = 8;
+    ul_um = {
+      sn_field_length = 10; 
     };
-    dl_am = {
-      t_reordering      = 80;
-      t_status_prohibit = 35; 
+    dl_um = {
+      sn_field_length = 10; 
+      t_reordering    = 80;             
     };
   };
   logical_channel_config = {
-    priority = 3; 
-    prioritized_bit_rate  = 8; 
-    bucket_size_duration  = 50; 
+    priority = 11; 
+    prioritized_bit_rate   = -1; 
+    bucket_size_duration  = 100; 
     log_chan_group = 3; 
   };
 }