IZ80981: LARGE PAGE SUPPORT NOT DETECTED ON LINUX

APAR status

• Closed as program error.

Error description

• Error Message: The following error message appears when the
  option "-Xlp" is used on a Linux system that was properly
  configured for large pages.
  JVMJ9GC032E System configuration does not support option '-Xlp'
  If the system is configured for large pages, the above error
  message should not be seen when "-Xlp" is used.
  .
  Stack Trace: N/A
  .
  The error was not seen when running on Linux SLES 11, but was
  seen when the customer upgraded to SLES 11 SP1
  

Local fix

• Do not use the "-Xlp option".
  

Problem summary

• Changes to /proc/meminfo appeared in SLES 11 SP1 which caused
  problems with the method the JVM used to detect that the system
  supported large pages.
  

Problem conclusion

• This defect will be fixed in:
  6.0.0 SR8
  5.0.0 SR12
  .
  The JVM was updated to support the changes to /proc/meminfo and
  now properly detects when the system is configured for large
  pages.
  .
  To obtain the fix:
  Install build 20100319 or later
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

  IZ80980

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  JAVA 5 J9 COMMO

• Fixed component ID

  620500127

Applicable component levels

• R500 PSN

     UP