Solaris 11 can panic with BAD TRAP in cmt_balance() or cmt_affinity() when DR-ing CPUs

(Doc ID 2413468.1)

Last updated on JUNE 20, 2018

Applies to:

Solaris Operating System - Version 11.3 to 11.3 [Release 11.0]
Oracle Solaris on SPARC (64-bit)
Oracle Solaris on x86-64 (64-bit)

Symptoms

The panic string will be BAD TRAP

The panic stack will be similar to either this:

cmt_balance
setbackdq
ts_wakeup - frame recycled
sleepq_wakeone_chan
cv_signal
lwp_unpark
syslwp_park
_syscall_no_proc_exit32

or this:

cmt_affinity
setbackdq
ts_wakeup - frame recycled
sleepq_wakeone_chan
cv_signal
lwp_unpark
syslwp_park
_syscall_no_proc_exit32

Cause

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