PROBLEM:  (HPAQ21M77)    (Patch ID: OSF435-269)
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This patch fixes a problem where a system can panic with a
"kernel memory fault" and a stack trace similar to the following:

  13 _XentMM
  14 dqget
  15 getinoquota
  16 maknode
  17 ufs_create
  18 vn_open
  19 copen
  20 open
  21 syscall
  22 _Xsyscall