JDK-6695819 : verify_oop: rax: broken oop in decode_heap_oop
  • Type: Bug
  • Component: hotspot
  • Sub-Component: runtime
  • Affected Version: hs13
  • Priority: P5
  • Status: Closed
  • Resolution: Fixed
  • OS: solaris_10
  • CPU: x86
  • Submitted: 2008-04-29
  • Updated: 2011-03-08
  • Resolved: 2011-03-08
The Version table provides details related to the release that this issue/RFE will be addressed.

Unresolved : Release in which this issue/RFE will be addressed.
Resolved: Release in which this issue/RFE has been resolved.
Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.

To download the current JDK release, click here.
JDK 6 JDK 7 Other
6u14Fixed 7Fixed hs13Fixed
Description
I set low priority since VM does not crash. Messages could be bodus.

% java -d64 -Xcomp -XX:+UseCompressedOops -XX:+VerifyOops -version
VM option '+UseCompressedOops'
VM option '+VerifyOops'
=============== DEBUG MESSAGE: verify_oop: rax: broken oop in decode_heap_oop ================

=============== DEBUG MESSAGE: verify_oop: rax: broken oop in decode_heap_oop ================

=============== DEBUG MESSAGE: verify_oop: rax: broken oop in decode_heap_oop ================

java version "1.7.0-ea-fastdebug"
Java(TM) SE Runtime Environment (build 1.7.0-ea-fastdebug-b26)
Java HotSpot(TM) 64-Bit Server VM (build 13.0-b01-2008-04-29-153402.rasbold.hotspot-fastdebug, compiled mode)
+VerifyOops count: 67805

Comments
EVALUATION In gen_subtype_check rax was decoded even if garbage. Added verify_oop() to encode/decode heap oop functions on sparc.
05-06-2008