This bug was fixed in the package google-perftools - 2.4-0ubuntu5.16.04.1
--------------- google-perftools (2.4-0ubuntu5.16.04.1) xenial; urgency=medium
* d/p/Use-initial-exec-tls-for-libunwind-s-recursion-flag.patch: Use initial-exec tls for libunwind's recursion flag avoiding deadlock in dlopen on startup (LP: #1647864).
-- James Page <email address hidden> Tue, 02 May 2017 05:32:42 -0400
This bug was fixed in the package google-perftools - 2.4-0ubuntu5. 16.04.1
--------------- 16.04.1) xenial; urgency=medium
google-perftools (2.4-0ubuntu5.
* d/p/Use- initial- exec-tls- for-libunwind- s-recursion- flag.patch:
Use initial-exec tls for libunwind's recursion flag avoiding
deadlock in dlopen on startup (LP: #1647864).
-- James Page <email address hidden> Tue, 02 May 2017 05:32:42 -0400