[Samba] Samba 3.0.22 bug?

[Justin Piszcz]

Sep  7 04:15:20 server smbd[2341]: [2006/09/07 04:15:20, 0] 
tdb/tdbutil.c:tdb_log(772)
Sep  7 04:15:20 server smbd[2341]: [2006/09/07 04:15:20, 0] 
tdb/tdbutil.c:tdb_log(772)
Sep  7 04:15:20 server smbd[2341]: 
tdb(/var/cache/samba/printing/hp.tdb): rec_read bad magic 0x44fc2015 at 
offset=22596
Sep  7 04:15:20 server smbd[2341]: 
tdb(/var/cache/samba/printing/hp.tdb): rec_read bad magic 0x44fc2015 at 
offset=22596
Sep  7 04:17:56 server smbd[2341]: [2006/09/07 04:17:56, 0] 
tdb/tdbutil.c:tdb_log(772)
Sep  7 04:17:56 server smbd[2341]: [2006/09/07 04:17:56, 0] 
tdb/tdbutil.c:tdb_log(772)
Sep  7 04:17:56 server smbd[2341]: 
tdb(/var/cache/samba/printing/hp.tdb): rec_read bad magic 0x44fc2015 at 
offset=22596
Sep  7 04:17:56 server smbd[2341]: 
tdb(/var/cache/samba/printing/hp.tdb): rec_read bad magic 0x44fc2015 at 
offset=22596

What causes this?  The printing via Samba works fine. Any idea?