Date: Sun, 19 Feb 2023 01:50:07 +0100 From: Dimitry Andric <dim@FreeBSD.org> To: sgk@troutmask.apl.washington.edu Cc: freebsd-current@freebsd.org Subject: Re: core dump in ld during buildworld Message-ID: <25B4B3AD-3791-44D0-9FFA-7F1C2A9E82B9@FreeBSD.org> In-Reply-To: <Y/FuYLIbwo0xBPVK@troutmask.apl.washington.edu> References: <Y/FuYLIbwo0xBPVK@troutmask.apl.washington.edu>
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--Apple-Mail=_A7E4265B-CB90-49F7-ABED-E40FD401FE93 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii On 19 Feb 2023, at 01:33, Steve Kargl <sgk@troutmask.apl.washington.edu> = wrote: >=20 > During biuldworld, >=20 > =3D=3D> usr.bin/nm (obj,all,install) > cc -O2 -pipe -g -fno-common -I/usr/src/contrib/elftoolchain/libelftc = -I/usr/src/contrib/elftoolchain/common -std=3Dgnu99 = -Wno-format-zero-length -Wsystem-headers -Wall -Wno-format-y2k -W = -Wno-unused-parameter -Wstrict-prototypes -Wmissing-prototypes = -Wpointer-arith -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch = -Wshadow -Wunused-parameter -Wcast-align -Wchar-subscripts = -Wnested-externs -Wold-style-definition -Wno-pointer-sign -Wdate-time = -Wmissing-variable-declarations -Wthread-safety -Wno-empty-body = -Wno-string-plus-int -Wno-unused-const-variable = -Wno-error=3Dunused-but-set-variable -Qunused-arguments = -I/usr/obj/usr/src/amd64.amd64/tmp/legacy/usr/include -Wl,-zrelro = -static -L/usr/obj/usr/src/amd64.amd64/tmp/legacy/usr/lib -o nm nm.o = -L/usr/obj/usr/src/amd64.amd64/tmp/obj-tools/lib/libdwarf -ldwarf = -L/usr/obj/usr/src/amd64.amd64/tmp/obj-tools/lib/libelf -lelf = -L/usr/obj/usr/src/amd64.amd64/tmp/obj-tools/lib/libz -lz = -L/usr/obj/usr/src/amd64.amd64/tmp/obj-tools/lib/libelftc -lelftc_pie = -L/usr/obj/usr/src/amd64.amd64/tmp/obj-tools/lib/libelf -lelf -legacy > PLEASE submit a bug report to https://bugs.freebsd.org/submit/ and = include the crash backtrace. > Stack dump: > 0. Program arguments: /usr/bin/ld --eh-frame-hdr -Bstatic -o nm = /usr/lib/crt1.o /usr/lib/crti.o /usr/lib/crtbeginT.o = -L/usr/obj/usr/src/amd64.amd64/tmp/legacy/usr/lib = -L/usr/obj/usr/src/amd64.amd64/tmp/obj-tools/lib/libdwarf = -L/usr/obj/usr/src/amd64.amd64/tmp/obj-tools/lib/libelf = -L/usr/obj/usr/src/amd64.amd64/tmp/obj-tools/lib/libz = -L/usr/obj/usr/src/amd64.amd64/tmp/obj-tools/lib/libelftc = -L/usr/obj/usr/src/amd64.amd64/tmp/obj-tools/lib/libelf -L/usr/lib = -zrelro nm.o -ldwarf -lelf -lz -lelftc_pie -lelf -legacy -lgcc -lgcc_eh = -lc -lgcc -lgcc_eh /usr/lib/crtend.o /usr/lib/crtn.o > #0 0x000000000164f1c1 (/usr/bin/ld+0x164f1c1) > #1 0x000000000164d4a5 (/usr/bin/ld+0x164d4a5) > #2 0x000000000164f8e0 (/usr/bin/ld+0x164f8e0) > #3 0x0000000825243a60 (/lib/libthr.so.3+0x19a60) > #4 0x000000082524301f (/lib/libthr.so.3+0x1901f) > #5 0x00000008231e48a3 ([vdso]+0x2d3) > #6 0x0000000000cf4830 (/usr/bin/ld+0xcf4830) > #7 0x0000000000cf7b89 (/usr/bin/ld+0xcf7b89) > #8 0x0000000000cf55a3 (/usr/bin/ld+0xcf55a3) > #9 0x0000000000cf5217 (/usr/bin/ld+0xcf5217) > #10 0x0000000000dabe23 (/usr/bin/ld+0xdabe23) > #11 0x0000000000da7754 (/usr/bin/ld+0xda7754) > #12 0x0000000000cf4ec5 (/usr/bin/ld+0xcf4ec5) > #13 0x0000000000cc6e83 (/usr/bin/ld+0xcc6e83) > #14 0x0000000000cbe4bc (/usr/bin/ld+0xcbe4bc) > #15 0x0000000000cbccda (/usr/bin/ld+0xcbccda) > cc: error: unable to execute command: Segmentation fault (core dumped) > cc: error: linker command failed due to signal (use -v to see = invocation) > *** Error code 254 >=20 > Stop. > make[3]: stopped in /usr/src/usr.bin/nm > *** Error code 1 >=20 > % find /usr/obj/ -name \*.core > /usr/obj/usr/src/amd64.amd64/tmp/obj-tools/usr.bin/nm/ld.lld.core > % uname -a > FreeBSD hotrats 14.0-CURRENT FreeBSD 14.0-CURRENT #0 = main-n260094-906c312bbf74: Fri Feb 3 21:28:39 PST 2023 = kargl@hotrats:/usr/obj/usr/src/amd64.amd64/sys/HOTRATS amd64 >=20 > Is the wrong ld being called? The failing command shows /usr/bin/ld. > Should this be /usr/obj/usr/src/amd64.amd64/tmp/usr/bin/ld? It looks like this happens during the early stages, most likely cross-tools? (As it appears to be building usr.bin/nm under obj-tools.) At that point it is still using the system compiler and linker, and it seems that the latter is lld. Do you know which version it is? -Dimitry --Apple-Mail=_A7E4265B-CB90-49F7-ABED-E40FD401FE93 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.2 iF0EARECAB0WIQR6tGLSzjX8bUI5T82wXqMKLiCWowUCY/FyPwAKCRCwXqMKLiCW o5ulAJ4hQFq7InjIU414xXh2ALqJz78dnQCfcs2YrclNeZE4HZqO0X1rMTv9obk= =xhTA -----END PGP SIGNATURE----- --Apple-Mail=_A7E4265B-CB90-49F7-ABED-E40FD401FE93--
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