linux-kernel - RE: Linux 6.18 amdgpu build error

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Message-ID:
 <BL1PR12MB514433045BCF463849273660F7DBA@BL1PR12MB5144.namprd12.prod.outlook.com>
Date: Mon, 1 Dec 2025 22:29:33 +0000
From: "Deucher, Alexander" <Alexander.Deucher@....com>
To: Shuah Khan <skhan@...uxfoundation.org>
CC: Linus Torvalds <torvalds@...ux-foundation.org>, Linux Kernel Mailing List
	<linux-kernel@...r.kernel.org>, "amd-gfx@...ts.freedesktop.org"
	<amd-gfx@...ts.freedesktop.org>, dri-devel <dri-devel@...ts.freedesktop.org>
Subject: RE: Linux 6.18 amdgpu build error

[Public]

> -----Original Message-----
> From: Shuah Khan <skhan@...uxfoundation.org>
> Sent: Monday, December 1, 2025 5:18 PM
> To: Deucher, Alexander <Alexander.Deucher@....com>
> Cc: Linus Torvalds <torvalds@...ux-foundation.org>; Linux Kernel Mailing List
> <linux-kernel@...r.kernel.org>; amd-gfx@...ts.freedesktop.org; dri-devel <dri-
> devel@...ts.freedesktop.org>
> 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