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  1. JDK
  2. JDK-8046218

M10 Fujitsu sparc systems only: Experimental flag -XX:+UseMemSetInBOT is known to cause instability

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    • Icon: Bug Bug
    • Resolution: Duplicate
    • Icon: P3 P3
    • None
    • 7u51
    • hotspot
    • None

    • This issue manifests on M10 Fujitsu systems only.
      In Oracle lab use e.g. ssh yourlogin@m10-4s-tvp540-a.uk
      It does not manifest on T4 systems for example

    • gc
    • sparc_64
    • solaris_10

      When launching JDK-1.7.0_55 :
      java -XX:+UseConcMarkSweepGC -version
      Java HotSpot(TM) Server VM warning: Experimental flag -XX:+UseMemSetInBOT is known to cause instability on sun4v; please understand that you are using at your own risk!
      java version "1.7.0_55"
      Java(TM) SE Runtime Environment (build 1.7.0_55-b13)
      Java HotSpot(TM) Server VM (build 24.55-b03, mixed mode)

      This error/warning also happens with Java 6

      java -d64 -server -XX:+UseConcMarkSweepGC -version
      Java HotSpot(TM) 64-Bit Server VM warning: Experimental flag -XX:+UseMemSetInBOT is known to cause instability on sun4v; please understand that you are using at your own risk!
      java version "1.6.0_71"
      Java(TM) SE Runtime Environment (build 1.6.0_71-b12)
      Java HotSpot(TM) 64-Bit Server VM (build 20.71-b01, mixed mode)


            Unassigned Unassigned
            tviessma Thomas Viessmann (Inactive)
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              Created:
              Updated:
              Resolved: