JDK-8033443 : Test8000311 fails after latest changes to parallelize string and symbol table unlink
- Type: Bug
- Component: hotspot
- Sub-Component: gc
- Affected Version: 9
- Priority: P4
- Status: Resolved
- Resolution: Fixed
- Submitted: 2014-02-03
- Updated: 2014-10-15
- Resolved: 2014-02-05
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| JDK 7 | JDK 8 | JDK 9 |
|---|---|---|
7u60Fixed  |
8u20Fixed |
9 b04Fixed |
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Description
Test80003111 fails after latest changes to parallelize string and symbol table unlink with the following guarantee failing: # To suppress the following error report, specify this argument # after -XX: or in .hotspotrc: SuppressErrorAt=/g1CollectedHeap.cpp:5230 # # A fatal error has been detected by the Java Runtime Environment: # # Internal Error (/home/thomas/Downloads/vmshare/jdk9-review/src/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp:5230), pid=10808, tid=140684561352448 # guarantee(!_process_symbols || _do_in_parallel || SymbolTable::parallel_claimed_index() >= _initial_symbol_table_size) failed: claim value 0 after unlink less than initial symbol table size 20011 # # JRE version: Java(TM) SE Runtime Environment (9.0-b01) (build 1.9.0-ea-b01) # Java VM: Java HotSpot(TM) 64-Bit Server VM (25.0-b62-internal-debug mixed mode linux-amd64 compressed oops) # Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again # # An error report file with more information is saved as: # /home/thomas/Downloads/vmshare/jdk9-review/src/test/JTwork/scratch/hs_err_pid10808.log # # If you would like to submit a bug report, please visit: # http://bugreport.sun.com/bugreport/crash.jsp # Problem is that when not parallelizing the symbol/string table scanning, the claim index is not updated and remains zero. Proposed fix: modify the guarantee to only check in case of parallel operation.
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