'smart' status on new laptop

["Steven M. Bellovin" <smb%cs.columbia.edu@localhost>]

Here's the output of 'atactl smart status' on a fairly new laptop.
Some of the figures look suspect, such as the hours powered on...
Might it be a word size issue?  I'm running -current/amd64.

# atactl wd0 smart status
SMART supported, SMART enabled
id value thresh crit collect reliability description                    raw
  1  97   34     yes online  positive    Raw read error rate            
191623512
  3 100    0     yes online  positive    Spin-up time                   0
  4  17   20     no  online  negative    Start/stop count               85243
  5 100   36     yes online  positive    Reallocated sector count       0
  7  73   30     yes online  positive    Seek error rate                24365045
  9  99    0     no  online  positive    Power-on hours count           
61164629263703
 10 100   34     yes online  positive    Spin retry count               0
 12 100   20     no  online  positive    Device power cycle count       291
184 100    0     no  online  positive    Unknown                        0
187 100    0     no  online  positive    Unknown                        0
189 100   45     no  online  positive    Unknown                        0
190  60    0     no  online  positive    Unknown                        
673710120
191 100    0     no  online  positive    Gsense error rate              0
192 100    0     no  online  positive    Power-off retract count        72
193  57    0     no  online  positive    Load cycle count               86619
194  40    0     no  online  positive    Temperature                    40 
Lifetime max/min 0/16
195  73    0     no  offline positive    Hardware ECC Recovered         
191623512
196 100    0     no  online  positive    Reallocated event count        
152737626980693
197 100    0     no  offline positive    Current pending sector         0
198 100    0     no  online  positive    Offline uncorrectable          0
199 200    0     no  offline positive    Ultra DMA CRC error count      0
200 100    0     no  offline positive    Write error rate               0
202 100    0     no  offline positive    Data address mark errors       0
254 100    0     no  offline positive    Unknown                        0




                --Steve Bellovin, http://www.cs.columbia.edu/~smb