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Solaris 11 or Solaris 10 can suffer a bad mutex panic when called from hermon_qp_modify() (Doc ID 2391214.1)

Last updated on APRIL 25, 2018

Applies to:

Solaris Operating System - Version 10 3/05 to 11.1 [Release 10.0 to 11.0]
Oracle Solaris on SPARC (64-bit)
Oracle Solaris on x86-64 (64-bit)

Symptoms

The panic string and stack will be similar to this:

panic[cpu7]/thread=ffffff00bb467c20:
mutex_enter: bad mutex, lp=ffffff2218165688 owner=ffffff1cb92debc0
thread=ffffff
00bb467c20
unix:mutex_panic
unix:mutex_vector_enter
hermon:hermon_qp_modify
hermon:hermon_ci_modify_qp
ibtl:ibt_modify_qp
ibcm:ibcm_cep_to_error_state
ibcm:ibcm_cep_state_rtu
ibcm:ibcm_process_rtu_msg
ibcm:ibcm_process_incoming_mad
ibcm:ibcm_recv_task
genunix:taskq_d_thread
unix:thread_start

Cause

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