panic message: hypervisor call 0x21 returned an unexpected error 8

(Doc ID 2373109.1)

Last updated on MARCH 13, 2018

Applies to:

Solaris Operating System - Version 10 3/05 to 10 1/13 U11 [Release 10.0]
Oracle Solaris on SPARC (64-bit)
The Solaris x86 servers are not susceptible to this problem.

Symptoms

The panic string and the panic stack will look similar to this:

panic[cpu9]/thread=3007e3b0380: hypervisor call 0x21 returned an unexpected
error 8

000002a11bd57830 unix:sfmmu_get_ctx+f0 (301d507ca80, 1980528, 301d507cc22, 0,
0, 400)
%l0-3: 000000000000ffcf 0000000000000016 0000000000008980 0000000000000000
%l4-7: 0000000001977800 0000000000000226 0000030115429a26 0000000000000000
000002a11bd578e0 unix:sfmmu_tsbmiss_exception+374 (404, 0, 0, 1, 30295645250,
fdff)
%l0-3: 00000301d507cc22 0000000001980528 00000301d507ca80 00097083dddc677f
%l4-7: 00000000a200dda1 0000000000000000 0000000000001fff 0000030000521840
000002a11bd57990 unix:ktl0+64 (0, ffffffff7c2e9f80, 3007e3b0554, 30052844100,
30295645250, 1)
%l0-3: 0000030052844100 0000000000000048 0000000000001600 000000000103c174
%l4-7: 000003007e3b0380 0000000000004003 0000000000000000 000002a11bd57a40

Cause

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