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Solaris 11.3 can panic with Deadlock: cycle in blocking chain when executing in "lsc" driver code (Doc ID 2562194.1)

Last updated on MARCH 09, 2022

Applies to:

Solaris Operating System - Version 11.3 to 11.3 [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
*
lsc_process_intr
lsc_poll
lsc_passthru_frame
lsc_ioctl_pt

or this:

lsc_impl_restart_ioc
taskq_thread
thread_start

Cause

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In this Document
Symptoms
Cause
Solution

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