On Mon, 20 Oct 2025 08:04:22 GMT, Tobias Hartmann <[email protected]> wrote:
>> Quan Anh Mai has updated the pull request with a new target base due to a >> merge or a rebase. The pull request now contains eight commits: >> >> - Several fixes >> - fix gc barrier >> - Merge branch 'lworld' into flatfield >> - fix merge, assert GC barriers >> - Merge branch 'lworld' into flatfield >> - fix release build >> - small fix StoreFlatNode::size_of >> - add LoadFlatNode and StoreFlatNode > > I did some quick testing and I'm seeing this failure: > > > runtime/valhalla/inlinetypes/verifier/RedefineStrictFieldsTest.java > -Xcomp -XX:-TieredCompilation > > # A fatal error has been detected by the Java Runtime Environment: > # > # SIGSEGV (0xb) at pc=0x00007f195cbd8da5, pid=1416875, tid=1416894 > # > # JRE version: Java(TM) SE Runtime Environment (26.0) (fastdebug build > 26-jep401ea2-2025-10-20-0458161.tobias.hartmann.valhalla2) > # Java VM: Java HotSpot(TM) 64-Bit Server VM (fastdebug > 26-jep401ea2-2025-10-20-0458161.tobias.hartmann.valhalla2, compiled mode, > sharing, compressed oops, compressed class ptrs, g1 gc, linux-amd64) > # Problematic frame: > # V [libjvm.so+0xdcada5] > ConnectionGraph::has_ea_local_in_scope(SafePointNode*)+0x115 > > Current CompileTask: > C2:7013 1605 b java.lang.VersionProps::parseVersionNumbers (154 > bytes) > > Stack: [0x00007f1948721000,0x00007f1948821000], sp=0x00007f194881ba70, free > space=1002k > Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native > code) > V [libjvm.so+0xdcada5] > ConnectionGraph::has_ea_local_in_scope(SafePointNode*)+0x115 > (callnode.hpp:383) > V [libjvm.so+0xde6e68] ConnectionGraph::compute_escape()+0x2e88 > (escape.cpp:469) > V [libjvm.so+0xde734a] ConnectionGraph::do_analysis(Compile*, > PhaseIterGVN*)+0x15a (escape.cpp:120) > V [libjvm.so+0xbcbe4d] Compile::Optimize()+0x65d (compile.cpp:2942) > V [libjvm.so+0xbcf86f] Compile::Compile(ciEnv*, ciMethod*, int, Options, > DirectiveSet*)+0x207f (compile.cpp:878) > V [libjvm.so+0x9dc0b3] C2Compiler::compile_method(ciEnv*, ciMethod*, int, > bool, DirectiveSet*)+0x483 (c2compiler.cpp:149) > V [libjvm.so+0xbdee38] > CompileBroker::invoke_compiler_on_method(CompileTask*)+0xb48 > (compileBroker.cpp:2345) > V [libjvm.so+0xbdffc0] CompileBroker::compiler_thread_loop()+0x530 > (compileBroker.cpp:1989) > V [libjvm.so+0x11701db] JavaThread::thread_main_inner()+0x13b > (javaThread.cpp:776) > V [libjvm.so+0x1c23c56] Thread::call_run()+0xb6 (thread.cpp:243) > V [libjvm.so+0x185eb58] thread_native_entry(Thread*)+0x128 > (os_linux.cpp:898) > > > The `serviceability/jvmti/valhalla/` tests also fail with the same SIGSEGV > when executed with `-Xcomp -XX:-TieredCompilation`. @TobiHartmann Thanks, the issue seems to be due to `ConnectionGraph::has_ea_local_in_scope` trying to process a dead node, it should be fixed now. ------------- PR Comment: https://git.openjdk.org/valhalla/pull/1518#issuecomment-3421127560
