[Bug 1647864] Update Released

Chris Halse Rogers chris at cooperteam.net
Wed May 17 02:20:21 UTC 2017


The verification of the Stable Release Update for google-perftools has
completed successfully and the package has now been released to
-updates.  Subsequently, the Ubuntu Stable Release Updates Team is being
unsubscribed and will not receive messages about this bug report.  In
the event that you encounter a regression using the package from
-updates please report a new bug using ubuntu-bug and tag the bug report
regression-update so we can easily find any regressions.

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https://bugs.launchpad.net/bugs/1647864

Title:
  google-perftools can deadlock with dlopen on startup

Status in google-perftools package in Ubuntu:
  Fix Released
Status in google-perftools source package in Xenial:
  Fix Released
Status in google-perftools source package in Yakkety:
  Fix Released

Bug description:
  [Impact]
  Applications use tcmalloc and deadlock on startup (specifically impacting upstream testing of Ceph).

  [Test Case]
  Hard to reproduce reliably, so we'll perform a regression test with Ceph in Ubuntu and look for feedback from upstream on occurrance of this problem.

  [Regression Potential]
  Low; patch is already in use in CentOS and RHEL and has been accepted into upstream.

  [Original Bug Report]
  On the xenial version of libgoogle-perftools, tcmalloc can deadlock with dlopen on startup.  This was fixed upstream here:

   https://github.com/gperftools/gperftools/issues/786

  FWIW el7 also backported this fix to 2.4 to resolve this for us.

  The ceph bug tracking this issue is here:

   http://tracker.ceph.com/issues/13522

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