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UltraSPARC T2-based Systems Hang On Boot After Upgrade to Kernel Patch 147440-25 (and later kernel patches) OR Solaris 11 update 1 (Doc ID 1501499.1)

Last updated on JUNE 19, 2017

Applies to:

Solaris Operating System - Version 10 3/05 and later


After applying the Oct 2012 CPU(Critical Patch Updates) or patchset or kernel 147440-25 (and later kernel patches), or after upgrading to Solaris 11 update 1 Release the system may hang on the subsequent reboot.

To look for later Solaris 10 kernel patches, please check

This has been reported on the following UltraSPARC T2 processor systems with OBP below 4.29.1:

This issue may also affect the following servers but has not been confirmed


This issue may not only happen on bare metal systems, but also in LDoms running on these system types






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