On Sun, Jul 27, 2025 at 7:36 PM <[email protected]> wrote: > > Lexi Winter wrote: > > Dimitry Andric: > >> On 27 Jul 2025, at 12:44, Herbert J. Skuhra <[email protected]> wrote: > >>> > >>> after updating from main-n279078-1f2c178e5688 to > >>> main-n279105-9b3055d0d4bc (arm64) I have the following issue: > >>> > >>> $ cc > >>> 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: cc > >>> 1. Compilation construction > >>> Stack dump without symbol names (ensure you have llvm-symbolizer in your > >>> PATH or set the environment var `LLVM_SYMBOLIZER_PATH` to point to it): > >>> 0 libprivatellvm.so.19 0x00000edc041485ec > >>> llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) + 72 > >>> 1 libprivatellvm.so.19 0x00000edc041464ec llvm::sys::RunSignalHandlers() > >>> + 128 > >>> 2 libprivatellvm.so.19 0x00000edc04148d48 > >>> llvm::support::detail::provider_format_adapter<int>::format(llvm::raw_ostream&, > >>> llvm::StringRef) + 412 > >>> 3 libthr.so.3 0x00000edc06bafc38 _pthread_sigmask + 1320 > >>> Segmentation fault > >> > >> That's a very short trace, with no useful information. Maybe installworld > >> was half-finished? > > > > i am seeing something similar on amd64 after updating past 9b3055d0d4bc: > > > > 1& 1? 172!freebsd15 ~/src/bsd/dev [lf/dev/pkgbase-toolchain]% cc > > > > PLEASE submit a bug report to https://bugs.freebsd.org/submit/ and include > > the crash backtrace, preprocessed source, and associated run script. > > Stack dump without symbol names (ensure you have llvm-symbolizer in your > > PATH or set the environment var `LLVM_SYMBOLIZER_PATH` to point to it): > > 0 libprivatellvm.so.19 0x00001ca34ed8f2c9 > > llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) + 57 > > 1 libprivatellvm.so.19 0x00001ca34ed8d185 llvm::sys::RunSignalHandlers() + > > 85 > > 2 libprivatellvm.so.19 0x00001ca34ed8f9d7 > > llvm::support::detail::provider_format_adapter<int>::format(llvm::raw_ostream&, > > llvm::StringRef) + 375 > > 3 libthr.so.3 0x00001ca352fc88ec _pthread_sigmask + 1340 > > 4 libthr.so.3 0x00001ca352fc7ebb pthread_signals_unblock_np + 1467 > > 5 libthr.so.3 0x00001ca34449d2d3 pthread_signals_unblock_np + > > 18446744073462962643 > > 6 libprivatellvm.so.19 0x00001ca34d5b28be llvm::cl::opt<int, false, > > llvm::cl::parser<int>>::~opt() + 62 > > 7 libc.so.7 0x00001ca35434131f __cxa_finalize + 351 > > [2] 5802 bus error (core dumped) cc > > > > i'm using pkgbase so unlikely to be a partial install. could it be that > > this change requires a clean build? > > And it looks like this for me, amd64, WITHOUT_CLEAN build (default):
Can you confirm if simply setting WITH_LLVM_ASSERTIONS fixes the issue? No clean, no blowing away /usr/obj, etc. I just need a confirmation from someone that a reversion would actually work or if we are stuck in for something deeper. > $ cc --version > FreeBSD clang version 19.1.7 (https://github.com/llvm/llvm-project.git > llvmorg-19.1.7-0-gcd708029e0b2) > Target: x86_64-unknown-freebsd15.0 > Thread model: posix > InstalledDir: /usr/bin > Build config: +assertions > zsh: abort (core dumped) cc --version > > (gdb) bt > #0 kill () at kill.S:4 > #1 0x0000062f57af2540 in __fail (msg=0x62f579f5aa5 "stack overflow > detected; terminated") > at /usr/src/lib/libc/secure/libc_stack_protector.c:119 > #2 0x0000062f57af24b0 in __stack_chk_fail () at > /usr/src/lib/libc/secure/libc_stack_protector.c:126 > #3 0x0000062f49fcebb6 in BuildCompilation () at > /data/obj/usr/src/amd64.amd64/tmp/usr/include/c++/v1/string:2330 > #4 0x000006272564d3e4 in clang_main () at > /usr/src/contrib/llvm-project/clang/tools/driver/driver.cpp:361 > #5 0x000006272564bc22 in main () at > /usr/src/usr.bin/clang/clang/clang-driver.cpp:17 >
