From: "Daniel Xu" <dxu@dxuuu.xyz>
To: "bpf@vger.kernel.org" <bpf@vger.kernel.org>
Cc: "Arnaldo Carvalho de Melo" <acme@kernel.org>
Subject: Kernel build fail with 'btf_encoder__encode: btf__dedup failed!'
Date: Sun, 22 Jan 2023 10:48:44 -0700 [thread overview]
Message-ID: <57830c30-cd77-40cf-9cd1-3bb608aa602e@app.fastmail.com> (raw)
Hi,
I'm getting the following error during build:
$ ./tools/testing/selftests/bpf/vmtest.sh -j30
[...]
BTF .btf.vmlinux.bin.o
btf_encoder__encode: btf__dedup failed!
Failed to encode BTF
LD .tmp_vmlinux.kallsyms1
NM .tmp_vmlinux.kallsyms1.syms
KSYMS .tmp_vmlinux.kallsyms1.S
AS .tmp_vmlinux.kallsyms1.S
LD .tmp_vmlinux.kallsyms2
NM .tmp_vmlinux.kallsyms2.syms
KSYMS .tmp_vmlinux.kallsyms2.S
AS .tmp_vmlinux.kallsyms2.S
LD .tmp_vmlinux.kallsyms3
NM .tmp_vmlinux.kallsyms3.syms
KSYMS .tmp_vmlinux.kallsyms3.S
AS .tmp_vmlinux.kallsyms3.S
LD vmlinux
BTFIDS vmlinux
FAILED: load BTF from vmlinux: No such file or directory
make[1]: *** [scripts/Makefile.vmlinux:35: vmlinux] Error 255
make[1]: *** Deleting file 'vmlinux'
make: *** [Makefile:1264: vmlinux] Error 2
This happens on both bpf-next/master (84150795a49) and 6.2-rc5
(2241ab53cb).
I've also tried arch linux pahole 1:1.24+r29+g02d67c5-1 as well as
upstream pahole on master (02d67c5176) and upstream pahole on
next (2ca56f4c6f659).
Of the above 6 combinations, I think I've tried all of them (maybe
missing 1 or 2).
Looks like GCC got updated recently on my machine, so perhaps
it's related?
CONFIG_CC_VERSION_TEXT="gcc (GCC) 12.2.1 20230111"
I'll try some debugging, but just wanted to report it first.
Thanks,
Daniel
next reply other threads:[~2023-01-22 17:49 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-22 17:48 Daniel Xu [this message]
2023-01-22 21:25 ` Kernel build fail with 'btf_encoder__encode: btf__dedup failed!' Daniel Xu
2023-01-23 8:06 ` Jiri Olsa
2023-01-24 6:13 ` Daniel Xu
2023-01-27 22:28 ` Alexandre Peixoto Ferreira
2023-01-28 0:00 ` Jiri Olsa
2023-01-28 0:21 ` Daniel Xu
2023-01-28 0:23 ` Daniel Xu
2023-01-28 19:23 ` Alexandre Peixoto Ferreira
2023-01-31 15:18 ` Jiri Olsa
2023-02-09 0:21 ` Vicki Pfau
2023-02-09 4:15 ` Alexandre Peixoto Ferreira
2023-02-09 13:07 ` Alan Maguire
2023-02-10 14:02 ` Alexandre Peixoto Ferreira
2023-02-10 14:34 ` Jiri Olsa
2023-02-10 15:37 ` Alexandre Ferreira
2023-02-14 6:33 ` Tianyi Liu
2023-04-11 17:00 ` [PATCH] vmlinux.lds.h: Force-align ELF notes section to four bytes Josh Poimboeuf
2023-04-12 7:10 ` Tianyi Liu
2023-04-12 16:30 ` Josh Poimboeuf
2023-04-13 2:21 ` Joan Bruguera Micó
2023-04-13 9:23 ` Tianyi Liu
2023-04-13 18:59 ` [PATCH] vmlinux.lds.h: Discard .note.gnu.property section Josh Poimboeuf
2023-04-16 19:02 ` Joan Bruguera Micó
2023-04-18 21:47 ` Josh Poimboeuf
2023-04-18 21:49 ` [PATCH v2] " Josh Poimboeuf
2023-04-13 4:54 ` [PATCH] vmlinux.lds.h: Force-align ELF notes section to four bytes Tianyi Liu
2023-04-16 18:52 ` Joan Bruguera Micó
2023-04-27 5:14 ` Joan Bruguera Micó
2023-05-18 11:00 ` [tip: objtool/urgent] vmlinux.lds.h: Discard .note.gnu.property section tip-bot2 for Josh Poimboeuf
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