[Discuss-gnuradio] .bit file not loading on usrp n210

[Clark Pope]

When I download a .bit file to the N210 using JTAG and Xilinx Impact the 
programmer says all is good:
// *** BATCH CMD : Program -p 1 
PROGRESS_START - Starting Operation.
Maximum TCK operating frequency for this device chain: 10000000.
Validating chain...
Boundary-scan chain validated successfully.
'1': Programming device...
 LCK_cycle = NoWait.
LCK cycle: NoWait
done.
'1': Reading status register contents...
CRC error                                                                  :    
     0
IDCODE not validated while writing FDRI                                    :    
     0
DCM matched                                                                :    
     1
status of GTS_CFG_B                                                        :    
     1
status of GWE                                                              :    
     1
status of GHIGH                                                            :    
     1
value of VSEL pin 0                                                        :    
     1
value of VSEL pin 1                                                        :    
     1
value of VSEL pin 2                                                        :    
     1
value of MODE pin M0                                                       :    
     1
value of MODE pin M1                                                       :    
     0
value of MODE pin M2                                                       :    
     0
value of CFG_RDY (INIT_B)                                                  :    
     1
DONEIN input from Done Pin                                                 :    
     1
POST_CRC_ERR error                                                         :    
     0
SYNC word not found                                                        :    
     0
INFO:iMPACT:2219 - Status register values:
INFO:iMPACT - 0011 1111 1100 1100 
INFO:iMPACT:579 - '1': Completed downloading bit file to device.
INFO:iMPACT:188 - '1': Programming completed successfully.
 LCK_cycle = NoWait.
LCK cycle: NoWait
INFO:iMPACT - '1': Checking done pin....done.
'1': Programmed successfully.
PROGRESS_END - End Operation.
Elapsed time =     13 sec.
but the .bit file isn't actually active. I know because my changes aren't 
present and the idcode reads the old value. I can reflash with the 
corresponding .bin file and cycle power and it does become active. 
Is it possible the download is triggering a reload of the bit stored in flash? 
Any ideas are appreciated. Thanks