Re: linux-5.10.11 build failure

[Bhaskar Chowdhury]

On 10:34 Thu 28 Jan 2021, Greg Kroah-Hartman wrote:
> On Thu, Jan 28, 2021 at 09:17:10AM +0000, Chris Clayton wrote:
> > Hi,
> >
> > Building 5.10.11 fails on my (x86-64) laptop thusly:
> >
> > ..
> >
> >  AS      arch/x86/entry/thunk_64.o
> >   CC      arch/x86/entry/vsyscall/vsyscall_64.o
> >   AS      arch/x86/realmode/rm/header.o
> >   CC      arch/x86/mm/pat/set_memory.o
> >   CC      arch/x86/events/amd/core.o
> >   CC      arch/x86/kernel/fpu/init.o
> >   CC      arch/x86/entry/vdso/vma.o
> >   CC      kernel/sched/core.o
> > arch/x86/entry/thunk_64.o: warning: objtool: missing symbol for insn at offset 0x3e
> >
> >   AS      arch/x86/realmode/rm/trampoline_64.o
> > make[2]: *** [scripts/Makefile.build:360: arch/x86/entry/thunk_64.o] Error 255
> > make[2]: *** Deleting file 'arch/x86/entry/thunk_64.o'
> > make[2]: *** Waiting for unfinished jobs....
> >
> > ..
> >
> > Compiler is latest snapshot of gcc-10.
> >
> > Happy to test the fix but please cc me as I'm not subscribed
>
> Can you do 'git bisect' to track down the offending commit?
>
> And what exact gcc version are you using?
>
> thanks,
>
> greg k-h


Okay, as far as the kernel goes ...I have built the 5.10.11 kernel on 5
different distros (Gentoo, Slackware, Debian, Arch and Opensuse-Tumbleweed)
from yesterday ...simple compile with little option tweak ..nothing breaks.

Probably, good fortune of mine! :)

There is "Pathetically and awfully wrote" mundane bash script do the stuff for
me.

~Bhaskar

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