zone allocation failures?

[Michael Butler]

Any thoughts as to what causes this?

ITEM                     SIZE     LIMIT      USED      FREE  REQUESTS 
FAILURES

UMA Kegs:                 128,        0,       76,       14,      
76,        0
UMA Zones:                480,        0,       76,        4,      
76,        0
UMA Slabs:                 64,        0,     1250,       48,    
9814,        0
UMA RCntSlabs:            104,        0,      246,       13,     
246,        0
UMA Hash:                 128,        0,        4,       26,       
7,        0
16 Bucket:                 76,        0,       51,       49,      
69,        0
32 Bucket:                140,        0,       62,       22,      
82,        0
64 Bucket:                268,        0,       65,        5,     
114,       11 <----
128 Bucket:               524,        0,       85,        6,     
810,       69 <----

    Michael