linux-kernel - Re: [bug/bisected] commit a2848d08742c8e8494675892c02c0d22acbe3cf8 cause general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN NOPTI

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Message-ID: <CABXGCsNXfk32HmEc+45qM7850N1PQhZS=2ypTkZhp9SpBJfxRA@mail.gmail.com>
Date:   Tue, 18 Jul 2023 14:16:58 +0500
From:   Mikhail Gavrilov <mikhail.v.gavrilov@...il.com>
To:     "Chen, Guchun" <Guchun.Chen@....com>
Cc:     "Koenig, Christian" <Christian.Koenig@....com>,
        "Pelloux-Prayer, Pierre-Eric" <Pierre-eric.Pelloux-prayer@....com>,
        "Deucher, Alexander" <Alexander.Deucher@....com>,
        amd-gfx list <amd-gfx@...ts.freedesktop.org>,
        Linux List Kernel Mailing <linux-kernel@...r.kernel.org>
Subject: Re: [bug/bisected] commit a2848d08742c8e8494675892c02c0d22acbe3cf8
 cause general protection fault, probably for non-canonical address
 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN NOPTI

On Tue, Jul 18, 2023 at 7:13 AM Chen, Guchun <Guchun.Chen@....com> wrote:
>
> [Public]
>
> Hello Mike,
>
> I guess this patch can resolve your problem.
> https://patchwork.freedesktop.org/patch/547897/
>
> Regards,
> Guchun
>

Tested-by: Mikhail Gavrilov <mikhail.v.gavrilov@...il.com>
Thanks, the issue was gone with this patch.

I didn't say anything above about how to reproduce this problem.
Case was like this:
On a dual GPU laptop, I ran Google Chrome on a discrete graphics card.
I used for it this command:
$ DRI_PRIME=1 google-chrome-unstable --disable-features=Vulkan

-- 
Best Regards,
Mike Gavrilov.