Hi everybody.

We are new to this list and need technical help.

We are getting access denied error on our debian clients when mounting
nfsv4 network drives with kerberos 5 authentication.

What is wired about this, is that it works with one server, but not with
a second server. The configuration on these both machines are identical,
witch we have tested by booting from the same USB drive.

The one where it works on is a Intel based standard workstation (HP
DC7800). The machine where it does not work is a AMD Opteron based
server (Sun X4540). Any other kerberos authentication (like smb and
netatalk) works fine.

We basically followed these instructions:
http://code.google.com/p/macnfsv4/wiki/FreeBSD8KerberizedNFSSetup

Our system configuration looks as follows:
-- 8< ----------------------------------------- >8 --
root@tmp2:/root # uname -a
FreeBSD tmp2.ist.intra 9.0-STABLE FreeBSD 9.0-STABLE #4: Thu Jun 14
08:58:14 UTC 2012     root@srv.....intra:/usr/obj/system/usr/src/sys/SRV
amd64


root@tmp2:/root #  diff /usr/src/sys/amd64/conf/GENERIC
/usr/src/sys/amd64/conf/SRV
348a349,354
>
>
> options               KGSSAPI
> device                crypto
>
> options               NETATALK


root@tmp2:/root # cat /etc/krb5.conf
[libdefaults]
        default_realm = IST.INTRA
        forwardable = true
        proxiable = true


root@tmp2:/root # ktutil list
FILE:/etc/krb5.keytab:

Vno  Type                     Principal
  1  aes256-cts-hmac-sha1-96  nfs/tmp2.ist.intra@IST.INTRA
  1  des3-cbc-sha1            nfs/tmp2.ist.intra@IST.INTRA
  1  arcfour-hmac-md5         nfs/tmp2.ist.intra@IST.INTRA

ktutil: krb5_kt_start_seq_get krb4:/etc/srvtab: open(/etc/srvtab): No
such file or directory


root@tmp2:/root # cat /etc/exports

V4: /tmp -sec=krb5p -network 192.168.1.0 -mask 255.255.255.0
/tmp/blah -sec=krb5p -network 192.168.1.0 -mask 255.255.255.0
root@tmp2:/root #



root@tmp2:/root # less /var/run/dmesg.boot
FreeBSD 9.0-STABLE #4: Thu Jun 14 08:58:14 UTC 2012
    root@srv.....intra:/usr/obj/system/usr/src/sys/SRV amd64
CPU: Six-Core AMD Opteron(tm) Processor 2435 (2600.16-MHz K8-class CPU)
  Origin = "AuthenticAMD"  Id = 0x100f80  Family = 10  Model = 8
Stepping = 0

Features=0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT>
  Features2=0x802009<SSE3,MON,CX16,POPCNT>
  AMD
Features=0xee500800<SYSCALL,NX,MMX+,FFXSR,Page1GB,RDTSCP,LM,3DNow!+,3DNow!>
  AMD
Features2=0x37ff<LAHF,CMP,SVM,ExtAPIC,CR8,ABM,SSE4A,MAS,Prefetch,OSVW,IBS,SKINIT,WDT>
  TSC: P-state invariant
-- 8< ----------------------------------------- >8 --

Any help is greatly appreciated.

Kind regards,
Herbert Poeckl

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