Re: Failed assertion in buildworld on armv7

On Thu, Sep 11, 2025 at 10:50 AM bob prohaska <fbsd@www.zefox.net> wrote:

> A Pi2 (armv7) self-hosting -current is failing buildworld with
> ...
> Building
> /usr/obj/usr/src/arm.armv7/lib/clang/libllvm/Target/ARM/ARMMachineFunctionInfo.pico
> <jemalloc>:
> /usr/src/contrib/jemalloc/include/jemalloc/internal/ehooks.h:184: Failed
> assertion: "p[i * (size / sizeof(size_t) / nchecks)] == 0"
> PLEASE submit a bug report to https://bugs.freebsd.org/submit/ and
> include the crash backtrace, preprocessed source, and associated run script.
> Stack dump:
> 0.      Program arguments: c++ -target armv7-gnueabihf-freebsd16.0
> --sysroot=/usr/obj/usr/src/arm.armv7/tmp
> -B/usr/obj/usr/src/arm.armv7/tmp/usr/bin -fpic -DPIC -UPIC -O2 -pipe
> -fno-common -I/usr/obj/usr/src/arm.armv7/lib/clang/libllvm
> -I/usr/src/sys/contrib/zstd/lib
> -I/usr/src/contrib/llvm-project/llvm/lib/Target/AArch64
> -I/usr/src/contrib/llvm-project/llvm/lib/Target/ARM
> -I/usr/src/contrib/llvm-project/llvm/lib/Target/PowerPC
> -I/usr/src/contrib/llvm-project/llvm/lib/Target/RISCV
> -I/usr/src/contrib/llvm-project/llvm/lib/Target/X86
> -I/usr/src/contrib/llvm-project/llvm/lib/ObjCopy -DBLAKE3_NO_AVX512
> -DBLAKE3_NO_AVX2 -DBLAKE3_NO_SSE41 -DBLAKE3_NO_SSE2 -DBLAKE3_USE_NEON=0
> -I/usr/src/lib/clang/include -I/usr/src/contrib/llvm-project/llvm/include
> -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS
> -DHAVE_VCS_VERSION_INC
> -DLLVM_DEFAULT_TARGET_TRIPLE=\"armv7-unknown-freebsd16.0-gnueabihf\"
> -DLLVM_HOST_TRIPLE=\"armv7-unknown-freebsd16.0\" -DDEFAULT_SYSROOT=\"\"
> -DLLVM_TARGET_ENABLE_AARCH64 -DLLVM_TARGET_ENABLE_ARM
> -DLLVM_TARGET_ENABLE_POWERPC -DLLVM_TARGET_ENABLE_RISCV
> -DLLVM_TARGET_ENABLE_X86 -DLLVM_NATIVE_ASMPARSER=LLVMInitializeARMAsmParser
> -DLLVM_NATIVE_ASMPRINTER=LLVMInitializeARMAsmPrinter
> -DLLVM_NATIVE_DISASSEMBLER=LLVMInitializeARMDisassembler
> -DLLVM_NATIVE_TARGET=LLVMInitializeARMTarget
> -DLLVM_NATIVE_TARGETINFO=LLVMInitializeARMTargetInfo
> -DLLVM_NATIVE_TARGETMC=LLVMInitializeARMTargetMC -ffunction-sections
> -fdata-sections -gline-tables-only -Wno-format-zero-length -fstack-pro
>
> ...
>
>
> The host reports
> root@www:/usr/src # uname -a
> FreeBSD www.zefox.org 15.0-PRERELEASE FreeBSD 15.0-PRERELEASE #104
> main-n280063-d3462294c1f0: Fri Sep  5 03:42:52 PDT 2025
>  bob@www.zefox.org:/usr/obj/usr/src/arm.armv7/sys/GENERIC arm
>
> A subsequent git pull notes:
>  lib/libc/gen/Makefile.inc                          |    1 +
>  lib/libc/gen/Symbol.map                            |    1 +
>  lib/libc/gen/directory.3                           |   51 +-
>  lib/libc/gen/gen-compat.h                          |    1 -
>  lib/libc/gen/gen-private.h                         |    3 +
>  lib/libc/gen/readdir-compat11.c                    |    2 +-
>  lib/libc/gen/readdir.c                             |    8 +-
>
> Buildworld has been restarted, if other measures should be taken
> please let me know.
>

I committed this weeks ago, and did a armv7 build...  Did it work when you
restarted?

Warner