Symptom:
On ASR 9010 when reload was done, config is erased and nvgen failed.
Partition 'sh_p_policymgr_rp' has changed from last backup
Aug 14 03:53:24.748 parser/nvgen_server_ascii_wr 0/RSP0/CPU0 t4  Querying the subtree gl/policymgr/display/;gl/policymgr/classmap/;gl/policymgr/policymap/type/0x1/;gl/policymgr/policymap/type/0x2/;gl/policymgr/policymap/type/0x3/;gl/policymgr/policymap/type/0x4/;gl/policymgr/policymap/type/0x5/;gl/policymgr/policymap/type/0x6/;
Aug 14 03:53:24.783 parser/nvgen_server_ascii_wr 0/RSP0/CPU0 t4  Nvgening Partition:        sh_p_policymgr_rp, Tuples Tried = 48, Failed = 0.
Partition 'lo_all_intf' has changed from last backup
Aug 14 04:48:27.428 parser/nvgen_server_ascii_wr 0/RSP0/CPU0 t4  Querying the subtree if/act/.*/;if/pre/.*/
Aug 14 04:48:29.106 parser/nvgen_server_ascii_wr 0/RSP0/CPU0 t4  Nvgening Partition:              lo_all_intf, Tuples Tried = 7511, Failed = 0.
Aug 14 04:48:29.233 parser/nvgen_server_ascii_wr 0/RSP0/CPU0 t4  DECODE TUPLE, nvgened '7511'out of '7511' tuples successfully.
Aug 14 09:45:21.627 parser/nvgen_server_ascii_wr 0/RSP0/CPU0 t4  DECODE TUPLE, Failed to generate '2' configuration  lines for the requested operation.
Aug 14 10:09:30.854 parser/nvgen_server_ascii_wr 0/RSP0/CPU0 t4  DECODE TUPLE, Failed to generate '2' configuration  lines for the requested operation.
Aug 14 10:52:56.999 parser/nvgen_server_ascii_wr 0/RSP0/CPU0 t4  DECODE TUPLE, Failed to generate '2' configuration  lines for the requested operation.
 
Handling 58 partitions
Aug 14 13:58:35.734 parser/nvgen_server_ascii_wr 0/RSP0/CPU0 t4  1 partition(s) has changed since last backup
Aug 14 13:58:35.784 parser/nvgen_server_ascii_wr 0/RSP0/CPU0 t4  Partition 'lo_all_intf' has changed from last backup
Aug 14 13:58:35.801 parser/nvgen_server_ascii_wr 0/RSP0/CPU0 t4  Querying the subtree if/act/.*/;if/pre/.*/
Aug 14 13:58:37.465 parser/nvgen_server_ascii_wr 0/RSP0/CPU0 t4  Nvgening Partition:              lo_all_intf, Tuples Tried = 7511, Failed = 0.
Aug 14 13:58:37.597 parser/nvgen_server_ascii_wr 0/RSP0/CPU0 t4  DECODE TUPLE, nvgened '7511'out of '7511' tuples successfully.
Aug 15 09:45:21.740 parser/nvgen_server_ascii_wr 0/RSP0/CPU0 t4  DECODE TUPLE, Failed to generate '2' configuration  lines for the requested operation.
Aug 15 10:50:59.275 parser/nvgen_server_ascii_wr 0/RSP0/CPU0 t4  DECODE TUPLE, Failed to generate '2' configuration  lines for the requested operation.
Aug 16 05:41:48.298 parser/nvgen_server_ascii_wr 0/RSP0/CPU0 t4  DECODE TUPLE, Failed to generate '2' configuration  lines for the requested operation.
Aug 16 09:45:25.718 parser/nvgen_server_ascii_wr 0/RSP0/CPU0 t4  DECODE TUPLE, Failed to generate '2' configuration  lines for the requested operation.
Aug 17 09:45:21.659 parser/nvgen_server_ascii_wr 0/RSP0/CPU0 t4  DECODE TUPLE, Failed to generate '2' configuration  lines for the requested operation.
Aug 18 09:45:21.033 parser/nvgen_server_ascii_wr 0/RSP0/CPU0 t4  DECODE TUPLE, Failed to generate '2' configuration  lines for the requested operation.
Aug 18 13:08:00.261 parser/nvgen_server_ascii_wr 0/RSP0/CPU0 t4  DECODE TUPLE, Failed to generate '2' configuration  lines for the requested operation.

Conditions:
loss of config