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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[Public]

Thank for your test, Mike. After getting RB for this patch, I will ask Christian to apply it to corresponding branches like drm-misc-next.

Regards,
Guchun

> -----Original Message-----
> From: Mikhail Gavrilov <mikhail.v.gavrilov@xxxxxxxxx>
> Sent: Tuesday, July 18, 2023 5:17 PM
> To: Chen, Guchun <Guchun.Chen@xxxxxxx>
> Cc: Koenig, Christian <Christian.Koenig@xxxxxxx>; Pelloux-Prayer, Pierre-
> Eric <Pierre-eric.Pelloux-prayer@xxxxxxx>; Deucher, Alexander
> <Alexander.Deucher@xxxxxxx>; amd-gfx list <amd-
> gfx@xxxxxxxxxxxxxxxxxxxxx>; Linux List Kernel Mailing <linux-
> kernel@xxxxxxxxxxxxxxx>
> 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@xxxxxxx>
> 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@xxxxxxxxx> 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.




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