Xen devel - Nov 2006 - xentop --vbds doesn''t show tap:aio: vbds

I''ve just noticed that with 3.0.3-0 xentop doesn''t show
tap:aio: vbds.
It shows file: and phy: just fine.

The vbds show up fine otherwise.

eg sarge is phy: on lvm whereas sarge1 is tap:aio:

# xentop --vbds

xentop - 20:43:08   Xen 3.0.3-0
4 domains: 1 running, 3 blocked, 0 paused, 0 crashed, 0 dying, 0 shutdown 
Mem: 1047036k total, 986828k used, 60208k free    CPUs: 2 @ 2992MHz
      NAME  STATE   CPU(sec) CPU(%)     MEM(k) MEM(%)  MAXMEM(k) MAXMEM(%) VCPUS
NETS NETTX(k) NETRX(k) VBDS   VBD_OO   VBD_RD   VBD_WR SSID
  Domain-0 -----r      51712    0.0     523152   50.0   no limit       n/a     2
4        0        0    0        0        0        0    0
     sarge --b---        484    0.0      32516    3.1      32768       3.1     4
0        0        0    2        0    40507  3943079    0
VBD 2050 [ 8: 2]  OO:        0   RD:      135   WR:      119
VBD 2049 [ 8: 1]  OO:        0   RD:    40372   WR:  3942960
    sarge1 --b---        173    0.0     130900   12.5     131072      12.5     4
0        0        0    0        0        0        0    0
   win2003 --b---      27135    0.0     275048   26.3     283240      27.1     1
1        0        0    1        0        0        0    0
VBD  768 [ 3: 0]  OO:        0   RD:        0   WR:        0

# xm block-list sarge
Vdev  BE handle state evt-ch ring-ref BE-path
2049    0    0     4      15     8     /local/domain/0/backend/vbd/3/2049  
2050    0    0     4      16     9     /local/domain/0/backend/vbd/3/2050  

# xm block-list sarge1
Vdev  BE handle state evt-ch ring-ref BE-path
2049    0    0     4      15     8     /local/domain/0/backend/tap/10/2049  
2050    0    0     4      16     9     /local/domain/0/backend/tap/10/2050  


Is this a bug or a feature?

Thanks

Nick
-- 
Nick Craig-Wood <nick@craig-wood.com> -- http://www.craig-wood.com/nick

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