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[Steve Langasek <steve.langasek@xxxxxxxxxxxxx>]

** Package changed: openjdk-9 (Ubuntu) => openjdk-lts (Ubuntu)

** Changed in: openjdk-lts (Ubuntu)
     Assignee: Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage) => Canonical Foundations Team (canonical-foundations)

** Changed in: openjdk-lts (Ubuntu)
       Status: New => Triaged

** Changed in: openjdk-lts (Ubuntu)
   Importance: Undecided => Critical

** Changed in: openjdk-lts (Ubuntu)
   Importance: Critical => High

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https://bugs.launchpad.net/bugs/1776332

Title:
  [POWER9][Ubuntu 18.04] OpenJDK 10+ can halt when detecting RTM feature
  on POWER9 DD2.1

Status in The Ubuntu-power-systems project:
  Triaged
Status in openjdk-lts package in Ubuntu:
  Triaged

Bug description:
  ---Problem Description---
  OpenJDK 10+ can halt when detecting RTM feature on POWER9 DD2.1
    
  ---uname output---
  Linux io83 4.15.0-22-generic #24-Ubuntu SMP Wed May 16 12:12:37 UTC 2018 ppc64le ppc64le ppc64le GNU/Linux
   
  ---Additional Hardware Info---
  POWER9 DD2.1 (pvr 004e 1201) baremetal 
   
  Machine Type = POWER9 DD2.1 (pvr 004e 1201) baremetal 
    
  ---Steps to Reproduce---
   apt-get install  openjdk-11-jdk && java -version (after that one will realize that 'java' command just halts and it's necessary to terminate it by hitting CTRL-C
   
  The following patchset is available upstream and fixes the issue here described:

  PPC64: Improve TM detection for enabling RTM on Linux / POWER9
  https://bugs.openjdk.java.net/browse/JDK-8203305

  PPC64: Fix jtreg RTM tests after "8203305: Improve TM detection for enabling RTM on Linux / POWER9"
  https://bugs.openjdk.java.net/browse/JDK-8203669

  They apply cleanly to 10u and approval to push it to 10u is already
  granted by Oracle.

  Or apply them to the next package update due to the 10.0.2 GA on July
  2018... :)

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