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Solaris 10 SPARC sun4u servers can encounter a panic: sfmmu_asm: no unlocked TTEs in TLB 0 (Doc ID 2643438.1)

Last updated on FEBRUARY 27, 2020

Applies to:

Solaris Operating System - Version 10 3/05 to 10 1/13 U11 [Release 10.0]
Oracle Solaris on SPARC (64-bit)

Symptoms

Only Solaris 10 sun4u architecture systems are subject to this panic.  Solaris 10 sun4v architecture systems and Solaris 10 x86 architecture systems will no encounter this problem.

The panic string will be:

sfmmu_asm: no unlocked TTEs in TLB 0

The panic stack will include:

sfmmu_dtlb_ld_kva
pp_load_tlb (this function might not appear in the panic stack)
ppcopy_common
ppcopy

Cause

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In this Document
Symptoms
Cause
Solution

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