SUMMARY : FOLLOW-UP : Force POST without power-on/off

From: Sebastien Daubigne <>
Date: Fri Sep 30 2005 - 04:09:46 EDT
Just to late you know :
I just upgraded OpenBootProm to 4.17.1 on the V480.
"post-trigger" variable has vanished.

This is replaced by the "post [level [verbosity]]" command which will launch
POST according to given options.

Here is a sample from the PDF included with the latest Prom update patch :

About the post Command
The post command enables you to easily invoke POST diagnostics and to
the level of testing and the amount of output. When you issue the post
OpenBoot firmware performs the following actions:
 Initiates a user reset
 Triggers a one-time execution of POST at the test level and verbosity that
10 OpenBoot PROM Enhancements for Diagnostic Operation  July 2004
 Clears old test results
 Displays and logs the new test results
Note  The post command overrides service mode settings and pending system
controller bootmode diag and bootmode skip_diag commands.
The syntax for the post command is:
post [level [verbosity]]
 level = min or max
 verbosity = min, normal, or max
The level and verbosity options provide the same functions as the OpenBoot
configuration variables diag-level and verbosity. To determine which
you should use for the post command options, see TABLE 1 for descriptions of
keywords for diag-level and verbosity.
You can specify settings for:
 Both level and verbosity
 level only (If you specify a verbosity setting, you must also specify a
 Neither level nor verbosity
If you specify a setting for level only, the post command uses the normal
value for verbosity with the following exception:
 If the normal mode value of verbosity = none, post uses
verbosity = min.
OpenBoot PROM Enhancements for Diagnostic Operation 11
If you specify settings for neither level nor verbosity, the post command
the normal mode values you specified for the configuration variables,
diag-level and verbosity, with two exceptions:
 If the normal mode value of diag-level = off, post uses level = min.
 If the normal mode value of verbosity = none, post uses
verbosity = min.
Sebastien DAUBIGNE>  - +33(0)
AtosOrigin Infogerance - IMS/ERP/Pessac

-----Message d'origine-----
De :
[]De la part de Sebastien
Envoyi : jeudi 29 septembre 2005 10:34
@ :
Objet : SUMMARY : Force POST without power-on/off


5 minutes later, Philippe sent me the good one, thank you  :

>> De : Ghazarian, Philippe []
>> setenv post-trigger user-reset
>> reset-all

-----Message d'origine-----
De :
[] De la part de Sebastien
Envoyi : jeudi 29 septembre 2005 10:22
@ :
Objet : Force POST without power-on/off


Do you know any way to force a Power-On-Self-Test on Sun servers via any
software/OBP command : I mean without harwdware power-on via manuel
intervention on the front panel/key switch.

I tried setting "diag-level" to "max" and diag-switch to "true", then
"reset-all", but it doesn't start POST.

Note : the server is a V480 and I only have standard serial console access
(no RSC).


Sebastien DAUBIGNE - +33(0)
AtosOrigin Infogerance - IMS/ERP/Pessac
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Received on Fri Sep 30 04:07:29 2005

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