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Tru64 Unix CDE login hangs at blue screen

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Regular Advisor

Tru64 Unix CDE login hangs at blue screen


My customer has an Alpha system running Tru64 Unix V5.1.

When he tried to login as oracle at the graphics console, it will hangs at the blue screen for sometime and then prompt an error message to check the /etc/hosts and network.

He can login using failsafe mode and also can telnet in with oracle account.

We have check the /etc/hosts and ip address and all looked fine.

We can login using other accounts, including root account, with no problems.

Any Advise.

Ralf Puchner
Honored Contributor

Re: Tru64 Unix CDE login hangs at blue screen

CDE is network dependant. Please try the

export DTNONETWORK="true"

in .dtprofile of the user. Also check your hostname (RFC compliant?) and host-resolution entry within /etc/svc.conf.

Be sure your login script doesn't contain invalid entries or blocking applications.

Check .dt/startlog for error messages.

Help() { FirstReadManual(urgently); Go_to_it;; }
Dave Bechtold
Respected Contributor

Re: Tru64 Unix CDE login hangs at blue screen

Hi Ronny,

This problem is usually network related observed after a network change. Usually related to Tooltalk daemon not beaing able to initialize properly (rpc.ttdbserverd), make sure portmap is working properly. To confirm this you can do the following to disable the network dependencies of the CDE environment and see if you can login again.

- Define the DTNONETWORK variable in the users .dtlogin file.


- Disable ToolTalk daemon by editing /etc/inetd.conf and commenting out the following line.

Example (NOTE that the line may be wrapped):
#rpc.ttdbserverd stream rpc/tcp wait root /usr/dt/bin/rpc.ttdbserverd rpc.ttdbserverd

- Then restart the network
# /sbin/init.d/inetd stop
# /sbin/init.d/inetd start

- Last restart CDE
# /sbin/init.d/xlogin stop
# /sbin/init.d/xlogin start

Then if it's Network related you should be able to login. Otherwise review the /$HOME/.dt/startlog or the $HOME/.dt/errorlog file if it exists, for further problems.

Hope this helps,
Dave Bechtold

Regular Advisor

Re: Tru64 Unix CDE login hangs at blue screen

As per replies.