Hi List, When I run the Chromium v8 unit test within qmeu-softmmu, following failure is triggered:
=== cctest/test-gc/RunWasmLiftoff_RefTrivialCasts === [60/149] # # Fatal error in ../../v8/test/cctest/wasm/test-gc.cc, line 109 # Test wasm GC: Wasm SIMD unsupported @+23 # # # #FailureMessage Object: 0x7fffffffd540 ==== C stack trace =============================== /mnt/src/chromium/src/out/Default/libv8_libbase.so(v8::base::debug::StackTrace::StackTrace()+0x13) [0x7ffff7fc3403] /mnt/src/chromium/src/out/Default/libv8_libplatform.so(+0x173ad) [0x7ffff7f713ad] /mnt/src/chromium/src/out/Default/libv8_libbase.so(V8_Fatal(char const*, int, char const*, ...)+0x153) [0x7ffff7fa5343] /mnt/src/chromium/src/out/Default/cctest(+0x153f427) [0x555556a93427] /mnt/src/chromium/src/out/Default/cctest(+0x1547c3e) [0x555556a9bc3e] /mnt/src/chromium/src/out/Default/cctest(+0xd662f3) [0x5555562ba2f3] /mnt/src/chromium/src/out/Default/cctest(+0xd67a9c) [0x5555562bba9c] /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xea) [0x7ffff4476d0a] /mnt/src/chromium/src/out/Default/cctest(_start+0x2a) [0x5555562ba0ba] Aborted Command: /mnt/src/chromium/src/out/Default/cctest test-gc/RunWasmLiftoff_RefTrivialCasts --random-seed=2033349456 --nohard-abort --enable-slow-asserts --verify-heap --testin g-d8-test-runner If run it with qemu from Debian bullseye (with --enable-kvm and --cpu host) on 10th-generation Cascade Lake, there is no such failure. The qemu-softmmu was built from following commit: commit 553032db17440f8de011390e5a1cfddd13751b0b (tag: v5.2.0) Author: Peter Maydell <peter.mayd...@linaro.org> Date: Tue Dec 8 15:55:19 2020 +0000 Update version for v5.2.0 release Signed-off-by: Peter Maydell <peter.mayd...@linaro.org> Question: is some SIMD instruction not supported by qemu-softmmu build? If more information is needed, just let me know. Thanks. Regards Yin, Fengwei