Solaris 11 or Solaris 10 can crash with panic message: Deadlock: cycle in blocking chain (Doc ID 2405194.1)

Last updated on JULY 06, 2023

Applies to:

Solaris Operating System - Version 10 to 11.3 [Release 10.0 to 11.0]
Oracle Solaris on SPARC (64-bit)
Oracle Solaris on x86-64 (64-bit)

The panic string will be: Deadlock: cycle in blocking chain

The panic stack will be similar to one of the following:

either this:

turnstile_block
mutex_vector_enter
*
dmu_objset_set_user
zvol_last_close_locked
zvol_close

or this:

turnstile_block
mutex_vector_enter
*
zvol_calc_reservation
zfs_zprop_zvol_update_refres

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In this Document

Symptoms

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