Re: gssd-agent: Minor error <1> Unknown Error Code: 19777

• Subject: Re: gssd-agent: Minor error <1> Unknown Error Code: 19777
• From: Terry Lambert <email@hidden>
• Date: Wed, 6 Feb 2008 16:39:00 -0800
• Delivered-to: email@hidden
• Delivered-to: email@hidden

Hi list,
I'm running a cluster of Mac's with kerberized nfs, and I keep
getting this rather cryptic error message in my log:

Feb 6 17:31:52 work03 gssd-agent[227]: Error returned by
svc_mach_gss_init_sec_context:
Feb 6 17:31:52 work03 gssd-agent[227]: Major error <1> Unspecified
GSS failure. Minor code may provide more information
Feb 6 17:31:52 work03 gssd-agent[227]: Minor error <1> Unknown Error
Code: 19777
Feb 6 17:31:52 work03 gssd-agent[227]: nfs client Kerberos:
head.neuralc:/Volumes/Xraid/XUsers, uid=501 - Unknown Error Code:
19777

We are running SGE (sun grid engine), and the above error prevents us
from writing to nfs directories. So far, our solution is to reboot the
machine.
I'm wondering if anyone has had similar experiences, and if anyone
knows what error code 19777 actually means?

Here's an answer from the maintainer:

There's a known bug that prevents the message from being printed, but
error code 19777 is a kerberos library error that actually corresponds to the text:
"Can't display user interface from this environment".

The message implies that the kerberos library attempted to pop up a
window to obtain a kerberos login because you're lacking a ticket.
You'll normally get a kerberos ticket when you log in through the loginwindow
or the screen saver.

You get the message if you try to access a kerberized
NFS mount without a kerberos ticket - in this case it was user 501 - which
looks like a local UID - not a network one.

You can verify your kerberos creds with the klist command - or attempt to
establish one with kinit.

You can read more about kerberized NFS in Leopard here:
http://docs.info.apple.com/article.html?artnum=306694

-- Terry
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