On 29 Jan 2021, at 00:57, Lev Serebryakov <l...@freebsd.org> wrote: > > I'm trying to profile my user-level program on FreeBSD 12-STABLE (amd64). > When I build it with `cc -g -pg -O3` it coredumps on start. What do I do > wrong? > > (lldb) bt > * thread #1, name = 'mergenets', stop reason = signal SIGSEGV > * frame #0: 0x0000000000000000 > frame #1: 0x000000000028ebbf mergenets`__vdso_gettc(th=0x00007ffffffff270, > tc=0x00007fffffffddbc) at __vdso_gettc.c:0 > frame #2: 0x000000000028e8c3 mergenets`binuptime [inlined] > tc_delta(th=<unavailable>) at __vdso_gettimeofday.c:46:10 > frame #3: 0x000000000028e8ba mergenets`binuptime(bt=0x00007fffffffde08, > tk=0x00007ffffffff1b0, abs=0) at __vdso_gettimeofday.c:78 > frame #4: 0x000000000028ea73 mergenets`__vdso_clock_gettime(clock_id=4, > ts=0x00007fffffffde68) at __vdso_gettimeofday.c:165:10 > frame #5: 0x0000000000281efb mergenets`__clock_gettime(clock_id=4, > ts=0x00007fffffffde68) at clock_gettime.c:48:11 > frame #6: 0x000000000024339f mergenets`nstime_update_impl [inlined] > nstime_get(time=0x0000000800403a88) at jemalloc_nstime.c:128:2 > frame #7: 0x0000000000243395 > mergenets`nstime_update_impl(time=0x0000000800403a88) at jemalloc_nstime.c:160 > frame #8: 0x0000000000234b6d mergenets`__je_arena_new [inlined] > arena_decay_reinit(decay=0x0000000800403a20, decay_ms=<unavailable>) at > jemalloc_arena.c:572:2 > frame #9: 0x0000000000234b21 mergenets`__je_arena_new [inlined] > arena_decay_init(decay=0x0000000800403a20, decay_ms=<unavailable>, > stats=0x00000008004009a0) at jemalloc_arena.c:593 > frame #10: 0x0000000000234b1a > mergenets`__je_arena_new(tsdn=0x0000000000000000, ind=0, > extent_hooks=<unavailable>) at jemalloc_arena.c:1858 > frame #11: 0x00000000002239c0 mergenets`__je_arena_init [inlined] > arena_init_locked(tsdn=0x0000000000000000, ind=0, > extent_hooks=0x0000000000205778) at jemalloc_jemalloc.c:338:10 > frame #12: 0x00000000002239b2 > mergenets`__je_arena_init(tsdn=0x0000000000000000, ind=0, > extent_hooks=0x0000000000205778) at jemalloc_jemalloc.c:366 > frame #13: 0x000000000022f946 mergenets`malloc_init_hard_a0_locked at > jemalloc_jemalloc.c:1328:6 > frame #14: 0x0000000000222cf5 mergenets`a0ialloc [inlined] > malloc_init_hard_a0 at jemalloc_jemalloc.c:1343:8 > frame #15: 0x0000000000222caa mergenets`a0ialloc [inlined] malloc_init_a0 > at jemalloc_jemalloc.c:214 > frame #16: 0x0000000000222caa mergenets`a0ialloc(size=6223, zero=false, > is_internal=false) at jemalloc_jemalloc.c:234 > frame #17: 0x00000000002225fc mergenets`__libc_allocate_tls [inlined] > malloc_aligned(size=6200, align=16) at tls.c:135:8 > frame #18: 0x00000000002225e2 > mergenets`__libc_allocate_tls(oldtls=0x0000000000000000, > tcbsize=<unavailable>, tcbalign=<unavailable>) at tls.c:359 > frame #19: 0x00000000002227d0 mergenets`_init_tls at tls.c:469:8 > frame #20: 0x000000000021f234 mergenets`_start(ap=<unavailable>, > cleanup=<unavailable>) at crt1.c:66:3
Likely https://bugs.freebsd.org/249121 (and maybe https://bugs.llvm.org/show_bug.cgi?id=48165). -Dimitry
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