RE: Linux 6.18 amdgpu build error

From: Deucher, Alexander
Date: Mon Dec 01 2025 - 17:29:48 EST


[Public]

> -----Original Message-----
> From: Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx>
> Sent: Monday, December 1, 2025 5:18 PM
> To: Deucher, Alexander <Alexander.Deucher@xxxxxxx>
> Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>; Linux Kernel Mailing List
> <linux-kernel@xxxxxxxxxxxxxxx>; amd-gfx@xxxxxxxxxxxxxxxxxxxxx; dri-devel <dri-
> devel@xxxxxxxxxxxxxxxxxxxxx>
> Subject: Linux 6.18 amdgpu build error
>
> Hi Alex,
>
> I am seeing the following make error on Linux 6.18.
> I started seeing build failures since rc7 and rc6 build was just fine on the same
> config file.
>
> LD [M] drivers/gpu/drm/amd/amdgpu/amdgpu.o
> drivers/gpu/drm/amd/amdgpu/amdgpu.o: error: objtool: elf_init_reloc:
> .rela.orc_unwind_ip: reloc 39935 already initialized!
> make[6]: *** [scripts/Makefile.build:503:
> drivers/gpu/drm/amd/amdgpu/amdgpu.o] Error 255
> make[6]: *** Deleting file 'drivers/gpu/drm/amd/amdgpu/amdgpu.o'
> make[5]: *** [scripts/Makefile.build:556: drivers/gpu/drm/amd/amdgpu]
> Error 2
> make[4]: *** [scripts/Makefile.build:556: drivers/gpu/drm] Error 2
> make[3]: *** [scripts/Makefile.build:556: drivers/gpu] Error 2
> make[2]: *** [scripts/Makefile.build:556: drivers] Error 2
> make[1]: *** [/linux/linux_6.18/Makefile:2010: .] Error 2
> make: *** [Makefile:248: __sub-make] Error 2
>
> I tried "make clean" and "make distclean" just in case, still see the same error.
>
> Is this a known problem? I thought I would ask before I go figure out what's
> happening.

It's not a known issue as far as I know. There are these reports from last week which may be related, but so far we've yet to reproduce them and they are not quite the same.
https://gitlab.freedesktop.org/drm/amd/-/issues/4719
https://gitlab.freedesktop.org/drm/amd/-/issues/4724

Thanks,

Alex