RFR (XS): JDK-8014430: JRE crashes instead of stop compilation on full Code Cache. Internal Error (c1_Compiler.cpp:87)
christian.thalinger at oracle.com
Wed May 15 14:55:50 PDT 2013
On May 15, 2013, at 2:49 AM, Albert Noll <albert.noll at oracle.com> wrote:
> thank you for reviewing!
> jbs: https://jbs.oracle.com/bugs/browse/JDK-8014430
> webrev: http://cr.openjdk.java.net/~anoll/8014430/webrev.00/
> Problem: VM failed with the following error message when the specified code cache
> specified by -XX:ReservedCodeCacheSize=... is too small to startup the VM.
> # A fatal error has been detected by the Java Runtime Environment:
> # Internal Error (c1_Compiler.cpp:87), pid=25077, tid=3856251760
> # guarantee(blob != NULL) failed: must create initial code buffer
> # JRE version: Java(TM) SE Runtime Environment (8.0-b89) (build 1.8.0-ea-b89)
> # Java VM: Java HotSpot(TM) Client VM (25.0-b31 mixed mode linux-x86 )
> # Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
> # If you would like to submit a bug report, please visit:
> # http://bugreport.sun.com/bugreport/crash.jsp
> Solution: replace guarantee() with vm_exit_out_of_memory() to provide a
> graceful shutdown of the VM if the specified size for the code cache is too small
> to startup the VM. The error message is now as follows:
I don't think that's the requested fix. If C1 isn't able to allocate its temporary buffers the compiler should be turned off instead of exiting the VM. We can print a warning saying that the compiler was turned off and increasing ReservedCodeCacheSize fixed that but we shouldn't exit.
> anoll at anoll-ThinkPad-T430:/export/anoll/test$ /export/anoll/jdk_export-32bit/jdk1.8.0/bin/java -client -XX:InitialCodeCacheSize=500k -XX:ReservedCodeCacheSize=1m MultipleClassLoaderCCFiller
> # There is insufficient memory for the Java Runtime Environment to continue.
> # Native memory allocation (malloc) failed to allocate 288358 bytes for Compiler1 temporary CodeBuffer.
> # Try to increase -XX:ReservedCodeCacheSize=.
> # An error report file with more information is saved as:
> # /export/anoll/test/hs_err_pid22080.log
> # Compiler replay data is saved as:
> # /export/anoll/test/replay_pid22080.log
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