Solaris 11 or Solaris 10 can panic with Deadlock: cycle in blocking chain

(Doc ID 2402450.1)

Last updated on MAY 23, 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 will be: Deadlock: cycle in blocking chain

The panic stack will be similar to one of the two shown below:

turnstile_block
mutex_vector_enter
getf_common
dp_pcache_poll
dpioctl
fop_ioctl
ioctl

turnstile_block
mutex_vector_enter
pollwakeup
devpoll_clean_fd
closeandsetf+
fcntl
syscall_trap32

Cause

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