Resolving Hard Hang Problems on Sun Ultra Servers (Doc ID 1008719.1)

Last updated on APRIL 15, 2016

Applies to:

Sun Fire 15K Server - Version Not Applicable to Not Applicable [Release N/A]
Sun Fire 4800 Server - Version Not Applicable to Not Applicable [Release N/A]
Sun Fire 6800 Server - Version Not Applicable to Not Applicable [Release N/A]
Sun Fire V480 Server - Version Not Applicable to Not Applicable [Release N/A]
Sun Fire V490 Server - Version Not Applicable to Not Applicable [Release N/A]
Oracle Solaris on SPARC (64-bit)

Symptoms

When a system hard hangs, the typical symptoms will include:

If all of the above are tried and fail to break out of the hang then the system is hung. It is almost impossible for support to figure out the cause of the hang if there is no core file to analyze.

Changes

None

Cause

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