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[mono][arm64] Handle sysctlbyname failing to find system options. - #87189
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This fixes a startup crash on Big Sur: > error: * Assertion at /Users/runner/work/1/s/src/mono/mono/utils/mono-hwcap-arm64.c:35, condition `res == 0' not met Because sysctl can't find some of these options: $ sysctl hw.optional.armv8_crc32 hw.optional.armv8_crc32: 1 $ sysctl hw.optional.arm.FEAT_RDM sysctl: unknown oid 'hw.optional.arm.FEAT_RDM' $ sysctl hw.optional.arm.FEAT_DotProd sysctl: unknown oid 'hw.optional.arm.FEAT_DotProd' $ sysctl hw.optional.arm.FEAT_SHA1 sysctl: unknown oid 'hw.optional.arm.FEAT_SHA1' $ sysctl hw.optional.arm.FEAT_SHA256 sysctl: unknown oid 'hw.optional.arm.FEAT_SHA256' $ sysctl hw.optional.arm.FEAT_AES sysctl: unknown oid 'hw.optional.arm.FEAT_AES' Full stack trace: * thread dotnet#1, queue = 'com.apple.main-thread', stop reason = breakpoint 2.1 * frame #0: 0x0000010ef37560 libmonosgen-2.0.dylib`monoeg_assertion_message frame dotnet#1: 0x0000010ef375cc libmonosgen-2.0.dylib`mono_assertion_message + 32 frame dotnet#2: 0x0000010ef40d6c libmonosgen-2.0.dylib`mono_hwcap_arch_init + 544 frame dotnet#3: 0x0000010ef54bd8 libmonosgen-2.0.dylib`mono_hwcap_init + 72 frame dotnet#4: 0x0000010ee14dc0 libmonosgen-2.0.dylib`parse_optimizations + 52 frame dotnet#5: 0x0000010edbed48 libmonosgen-2.0.dylib`mono_init frame dotnet#6: 0x0000010ee18968 libmonosgen-2.0.dylib`mono_jit_init_version frame dotnet#7: 0x0000010f48a300 libxamarin-dotnet-debug.dylib`xamarin_bridge_initialize + 216 frame dotnet#8: 0x0000010f4900a4 libxamarin-dotnet-debug.dylib`xamarin_main + 376
rolfbjarne
commented
Jun 6, 2023
MemberAuthor
vargaz
approved these changes
Jun 6, 2023
rolfbjarne
commented
Jun 8, 2023
MemberAuthor
@vargaz do I need to do anything else to get this merged? |
This was referenced Jun 8, 2023
This was referenced Jun 14, 2023
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This fixes a startup crash on Big Sur:
Because sysctl can't find some of these options:
Full stack trace: