On Wed, Jul 17, 2019 at 5:48 PM Christopher Nelson <nadiasver...@gmail.com> wrote:
> Thank you so much for the help that has been provided so far. Sadly, I > tried both of these suggestions without success. > > First, I removed all of the build arguments except: > > is_debug = true > target_cpu = "x64" > v8_monolithic = true > v8_enable_i18n_support = false > > I built this with much the same results. I also duplicated this problem on > macOS with debug. (Release works fine on both platforms.) > > I also tried setting "use_custom_libcxx = false", but we use libc++ (the > one shipped with clang) on Linux and macOS. I couldn't find a way to tell > v8 to set -stdlib libc++ without it also wanting that to be the custom one > v8 compiles. If I set this value to false then the flag is omitted and it > picks up libstdc++ by default, which results in a lot of link errors. > Just to confirm: are you linking your project against the same custom libcxx that V8 uses? If yes, then we need to start looking elsewhere (than use_custom_libcxx) for the problem. If no, that would still be my suspicion. Note also how the backtrace below is in a completely different spot in V8 than the one you posted before. And this time in deallocate (before it was in an allocation). > > My colleague and I have managed to duplicate this in the most trivial > hello-world program, which just initializes the engine and creates an > isolate. > > The interesting thing is that the d8 app created by the v8 build is fine. > It is only applications that link against the v8 monolith outside the v8 > build that experience the problem. We also accidentally noted that if we > initialize the engine twice, the problem goes away. > > As I say, this wasn't a problem in 7.2, but in 7.3+ it's happening with > perfect reproducibility. For the record, here is the backtrace: > > #0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50 > #1 0x00007ffff7b5a535 in __GI_abort () at abort.c:79 > #2 0x00007ffff7bc1726 in __libc_message (action=action@entry=do_abort, > fmt=fmt@entry=0x7ffff7ce7952 "%s\n") at ../sysdeps/posix/libc_fatal.c:181 > #3 0x00007ffff7bc859a in malloc_printerr (str=str@entry=0x7ffff7ce5a9b > "free(): invalid pointer") at malloc.c:5352 > #4 0x00007ffff7bca3cc in _int_free (av=<optimized out>, p=<optimized > out>, have_lock=<optimized out>) at malloc.c:4181 > #5 0x0000000004da70e5 in __do_call () at > ../../buildtools/third_party/libc++/trunk/include/new:319 > #6 __do_deallocate_handle_size () at > ../../buildtools/third_party/libc++/trunk/include/new:277 > #7 __do_deallocate_handle_size_align () at > ../../buildtools/third_party/libc++/trunk/include/new:247 > #8 __libcpp_deallocate () at > ../../buildtools/third_party/libc++/trunk/include/new:325 > #9 deallocate () at > ../../buildtools/third_party/libc++/trunk/include/memory:1816 > #10 deallocate () at > ../../buildtools/third_party/libc++/trunk/include/memory:1554 > #11 ~basic_string () at > ../../buildtools/third_party/libc++/trunk/include/string:2138 > #12 Print () at ../../src/code-stub-assembler.cc:13702 > #13 0x00000000051e254d in LoadKeyValuePairNoSideEffects () at > gen/torque-generated/builtins-collections-from-dsl-gen.cc:533 > #14 0x0000000004cfc7e1 in AddConstructorEntry () at > ../../src/builtins/builtins-collections-gen.cc:163 > #15 0x0000000004d10fb6 in operator() () at > ../../src/builtins/builtins-collections-gen.cc:270 > #16 __invoke<(lambda at > ../../src/builtins/builtins-collections-gen.cc:267:22) &, > v8::internal::compiler::Node *> () at > ../../buildtools/third_party/libc++/trunk/include/type_traits:4399 > #17 __call<(lambda at > ../../src/builtins/builtins-collections-gen.cc:267:22) &, > v8::internal::compiler::Node *> () at > ../../buildtools/third_party/libc++/trunk/include/__functional_base:348 > #18 operator() () at > ../../buildtools/third_party/libc++/trunk/include/functional:1531 > #19 __call_impl<std::__1::__function::__alloc_func<(lambda at > ../../src/builtins/builtins-collections-gen.cc:267:22), > std::__1::allocator<(lambda at > ../../src/builtins/builtins-collections-gen.cc:267:22)>, void > (v8::internal::compiler::Node *)> > () at > ../../buildtools/third_party/libc++/trunk/include/functional:2014 > #20 0x0000000004d76fb1 in operator() () at > ../../buildtools/third_party/libc++/trunk/include/functional:2127 > #21 operator() () at > ../../buildtools/third_party/libc++/trunk/include/functional:2351 > #22 BuildFastLoop () at ../../src/code-stub-assembler.cc:10997 > #23 0x0000000004cfd8e0 in BuildFastLoop () at > ../../src/code-stub-assembler.h:3062 > #24 AddConstructorEntriesFromFastJSArray () at > ../../src/builtins/builtins-collections-gen.cc:278 > #25 0x0000000004cfcd55 in AddConstructorEntries () at > ../../src/builtins/builtins-collections-gen.cc:207 > #26 0x0000000004cfeebf in GenerateConstructor () at > ../../src/builtins/builtins-collections-gen.cc:416 > #27 0x0000000004cff596 in GenerateMapConstructorImpl () at > ../../src/builtins/builtins-collections-gen.cc:740 > #28 0x0000000004cff3ea in Generate_MapConstructor () at > ../../src/builtins/builtins-collections-gen.cc:734 > #29 0x0000000004c6b147 in BuildWithCodeStubAssemblerJS () at > ../../src/builtins/setup-builtins-internal.cc:179 > #30 SetupBuiltinsInternal () at > ../../src/builtins/setup-builtins-internal.cc:353 > #31 0x0000000004c62687 in SetupBuiltins () at > ../../src/setup-isolate-full.cc:18 > #32 0x0000000004395524 in Init () at ../../src/isolate.cc:3394 > #33 0x0000000004394c4d in v8::internal::Isolate::InitWithoutSnapshot() () > at ../../src/isolate.cc:3284 > #34 0x0000000003f50007 in Initialize () at ../../src/api.cc:8211 > #35 0x0000000003f5055f in New () at ../../src/api.cc:8223 > #36 0x0000000003eb369c in hiram::js::isolate::isolate > (this=0x7fffffffcf88) at ../../../../../engine/src/js/isolate.cpp:20 > #37 0x0000000003dae967 in ____C_A_T_C_H____T_E_S_T____6 () at > ../../../../../engine/test/test_element_node.cpp:62 > #38 0x0000000003d01b33 in Catch::TestInvokerAsFunction::invoke > (this=0x7677650) at > ../../../../../.mm/linux/amd64/debug/include/catch2/catch.hpp:11841 > #39 0x0000000003cfc6d6 in Catch::TestCase::invoke (this=0x76dfe60) at > ../../../../../.mm/linux/amd64/debug/include/catch2/catch.hpp:11742 > #40 0x0000000003cfc60a in Catch::RunContext::invokeActiveTestCase > (this=0x7fffffffd818) at > ../../../../../.mm/linux/amd64/debug/include/catch2/catch.hpp:10601 > #41 0x0000000003cfb164 in Catch::RunContext::runCurrentTest > (this=0x7fffffffd818, redirectedCout=..., redirectedCerr=...) at > ../../../../../.mm/linux/amd64/debug/include/catch2/catch.hpp:10574 > #42 0x0000000003cfa4fc in Catch::RunContext::runTest (this=0x7fffffffd818, > testCase=...) at > ../../../../../.mm/linux/amd64/debug/include/catch2/catch.hpp:10344 > #43 0x0000000003cfe9fd in Catch::(anonymous namespace)::runTests > (config=...) at > ../../../../../.mm/linux/amd64/debug/include/catch2/catch.hpp:10903 > #44 0x0000000003cfe4b2 in Catch::Session::runInternal > (this=0x7fffffffdb90) at > ../../../../../.mm/linux/amd64/debug/include/catch2/catch.hpp:11098 > #45 0x0000000003cfe22b in Catch::Session::run (this=0x7fffffffdb90) at > ../../../../../.mm/linux/amd64/debug/include/catch2/catch.hpp:11055 > #46 0x0000000003d2d54a in Catch::Session::run<char> (this=0x7fffffffdb90, > argc=1, argv=0x7fffffffdde8) at > ../../../../../.mm/linux/amd64/debug/include/catch2/catch.hpp:10801 > #47 0x0000000003d0fc24 in main (argc=1, argv=0x7fffffffdde8) at > ../../../../../engine/test/main.cpp:25 > > This is the content of the main.cpp: > > std::unique_ptr<v8::Platform> platform = > v8::platform::NewDefaultPlatform(); > v8::V8::InitializePlatform(platform.get()); > v8::V8::Initialize(); > > int result = Catch::Session().run(argc, argv); > > v8::V8::Dispose(); > v8::V8::ShutdownPlatform(); > > And the code that is failing: > > create_params.array_buffer_allocator = > v8::ArrayBuffer::Allocator::NewDefaultAllocator(); > i = v8::Isolate::New(create_params); > > I'm trying more variations, but if there's something else I can do to help > anyone help me, I will happily do so. > > Thanks again! > > -- > -- > v8-users mailing list > v8-users@googlegroups.com > http://groups.google.com/group/v8-users > --- > You received this message because you are subscribed to the Google Groups > "v8-users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to v8-users+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/v8-users/f81d746d-0ced-4841-8736-ed5d8ef90bc0%40googlegroups.com > 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