Re: [tip: objtool/urgent] objtool: Fix seg fault with Clang non-section symbols
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- Subject: Re: [tip: objtool/urgent] objtool: Fix seg fault with Clang non-section symbols
- From: Steven Rostedt <rostedt@xxxxxxxxxxx>
- Date: Sat, 13 Feb 2021 09:13:04 -0500
- Cc: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>, Nick Desaulniers <ndesaulniers@xxxxxxxxxx>, Xi Ruoyao <xry111@xxxxxxxxxxxxxxxx>, "# 3.4.x" <stable@xxxxxxxxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxxxx>, "Peter Zijlstra (Intel)" <peterz@xxxxxxxxxxxxx>, Miroslav Benes <mbenes@xxxxxxx>, "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@xxxxxxxxxx>, LKML <linux-kernel@xxxxxxxxxxxxxxx>, linux-tip-commits@xxxxxxxxxxxxxxx
- In-reply-to: <YCfdfkoeh8i0baCj@kroah.com>
- References: <ba6b6c0f0dd5acbba66e403955a967d9fdd1726a.1607983452.git.jpoimboe@redhat.com> <160812658044.3364.4188208281079332844.tip-bot2@tip-bot2> <dded80b60d9136ea90987516c28f93273385651f.camel@mengyan1223.wang> <YCU3Vdoqd+EI+zpv@kroah.com> <CAKwvOd=GHdkvAU3u6ROSgtGqC_wrkXo8siL1nZHE-qsqSx0gsw@mail.gmail.com> <YCafKVSTX9MxDBMd@kroah.com> <20210212170750.y7xtitigfqzpchqd@treble> <20210212124547.1dcf067e@gandalf.local.home> <YCfdfkoeh8i0baCj@kroah.com>
On Sat, 13 Feb 2021 15:09:02 +0100
Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> Thanks for the patch, but no, still fails with:
>
> Cannot find symbol for section 8: .text.unlikely.
> kernel/kexec_file.o: failed
> make[1]: *** [scripts/Makefile.build:277: kernel/kexec_file.o] Error 1
> make[1]: *** Deleting file 'kernel/kexec_file.o'
It was just a guess.
I guess I'll need to find some time next week to set up a VM with
binutils 2.36 (I just checked, and all my development machines have
2.35). Then I'll be able to try and debug it.
-- Steve
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