Solaris 10 Sparc 4V Systems Without Patch 138888-01 May Hang or Panic With Many Threads Stuck In kern_preprom
Last updated on AUGUST 27, 2015
Applies to:Solaris SPARC Operating System - Version 10 3/05 to 10 5/09 U7 [Release 10.0]
Information in this document applies to any platform.
Sun 4V Systems
If the described issue occurs and the system hangs, even sending a break may fail. Generally the system must be panicked from the service processor, though this bug can cause a panic as well.
A crash dump generated during a described hang shows many threads waiting for a condition var (from unix:kern_preprom+0x138)
Threads may resemble the following:
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