Solaris 8 NFS to AIX 5.3

[jaytco]

I am trying to mount a Solaris 8 sparc box to AIX 5.3. When I try the mount command I get a Segmentation Fault Core Dump (tried from 2 Sol 8 boxes with the same result.) Any suggestions on where to dig would be greatly appreciated.

AIX config

                                  Change Attributes of an Exported Directory

Type or select values in entry fields.
Press Enter AFTER making all desired changes.
                 
[TOP]                                                   [Entry Fields]                      
* Pathname of directory to export                     /export/project
  Anonymous UID                                      [-2]
  Public filesystem?                                 [no]                                                   +
* Change export now, system restart or both           both                                                  +
  Pathname of alternate exports file                 []
  Allow access by NFS versions                       []
  External name of directory (NFS V4 access only)    []
  Security method                                    [sys,krb5p,krb5i,krb5,dh,none]                         +
      Mode to export directory           [read-write]
      Hostname list. If exported read-mostly         []
      Hosts & netgroups allowed client access [@10.18.0.0]
      Hosts allowed root access               [@10.18.0.0]
      
      Security method                          []+
      Mode to export directory                       []                                                     +
      Hostname list. If exported read-mostly         []
      Hosts & netgroups allowed client access        []
      Hosts allowed root access                      []
  Security method                                    []

The error from snoop on the solaris 8 side

UDP:  ----- UDP Header -----
UDP:
UDP:  Source port = 32962
UDP:  Destination port = 853 (Sun RPC)
UDP:  Length = 36
UDP:  Checksum = AC38
UDP:
RPC:  ----- SUN RPC Header -----
RPC:
RPC:  Transaction id = 1137986725
RPC:  Type = 1 (Reply)
RPC:  This is a reply to frame 5
RPC:  Status = 0 (Accepted)
RPC:  Verifier   : Flavor = 0 (None), len = 0 bytes
RPC:  Accept status = 0 (Success)
RPC:
MOUNT:----- NFS MOUNT -----
MOUNT:
MOUNT:Proc = 1 (Add mount entry)
MOUNT:Status = -1 ((unknown error))  ## Expected Status = 0 (OK) Followed by file handle
MOUNT:

 

[jaytco]

When the Solaris 8 box was added the the /etc/hosts file on the AIX box, the mount was successful. A problem has been identifed on the Solaris 8 network, that DNS reverse lookups fail, which we believe is causing the NFS service to return the unexpected failure during the mount process.