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Solaris 11.4 can panic with Deadlock: cycle in blocking chain panic while performing smb_node_release() or recall_read_delegations() (Doc ID 2804668.1)

Last updated on OCTOBER 26, 2021

Applies to:

Solaris Operating System - Version 11.4 to 11.4 [Release 11.0]
Information in this document applies to any platform.

Symptoms

The panic string will be:

Deadlock: cycle in blocking chain

The panic stack will include:

mutex_vector_enter
*
smb_node_release
fem_release
vhead_getattr
fop_getattr
rfs4_op_read

or:

mutex_vector_enter
*
recall_read_delegations
deleg_rd_vnevent
vhead_vnevent
fop_vnevent
vnevent_remove
zfs_remove
fop_remove
smb_vop_remove

 

 

Cause

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In this Document
Symptoms
Cause
Solution

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