HP-UX B.11.11 wtmp file corruption

I am experiencing the following error on majority of the HP-UX B.11.11.
"pid exceeds MAXPID: wtmp file corrupted"

I have tried to fix it with the fwtmp/wtmpfix commands.... nothing worked.
I have backed up the file and flushed with /dev/null.... nothing worked.

still getting the same error with "last" command
does anyone know what might have caused this?

thanks in advance for any help you can provide.
zile26Asked:
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shivsaCommented:
This might be becuase you have a corrupt wtmp file.
1.Check if /var maybe is full.
2.flush the current wtmp. take a copy of the current wtmp say move it to wtmp.old then flush the file using " cat /dev/null > /var/adm/wtmp "
3. wtmpfix -c /var/adm/wtmp > /var/adm/wtmp.fix
   cp /var/adm/wtmp.fix /var/adm/wtmp

check your system log messages related to these failures or nprocs.
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shivsaCommented:
how did it go.
r u still waiting for the answer.
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zile26Author Commented:
Thanks Shivsa. I had tried it previously.
/var is not full. we had a call to HP and they seemed to think that there's some sort of binary writing to wtmp corrupting it. ????
still searching for help.

Thanks.
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zile26Author Commented:
Thanks Shivsa.

we have given up on this problem.
however, a reboot fixes the problem. but after a period of time. it gets corrupted all over again.
the system is clean of any virus or anything to that effect.

we think that it's some sort appl. bin causing it. we will have to live with it for now.

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