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From:   Dave Airlie <airlied@gmail.com>
Date:   Thu, 4 Aug 2022 13:52:49 +1000
Message-ID: <CAPM=9txkjJg5uArn1ann7Hf+JFCukQFGwqv+YHAx97Cdxezs_Q@mail.gmail.com>
Subject: Re: [git pull] drm for 5.20/6.0
To:     Linus Torvalds <torvalds@linux-foundation.org>
Cc:     Daniel Vetter <daniel.vetter@ffwll.ch>,
        dri-devel <dri-devel@lists.freedesktop.org>,
        LKML <linux-kernel@vger.kernel.org>
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On Thu, 4 Aug 2022 at 13:47, Linus Torvalds
<torvalds@linux-foundation.org> wrote:
>
> On Wed, Aug 3, 2022 at 8:37 PM Dave Airlie <airlied@gmail.com> wrote:
> >
> > Actually I did miss that so that looks good.
>
> .. I wish it did, but I just actually test-booted my desktop with the
> result, and it crashes the X server.  This seems to be the splat in
> Xorg.0.log:
>
>   (II) Initializing extension DRI2
>   (II) AMDGPU(0): Setting screen physical size to 2032 x 571
>   (EE)
>   (EE) Backtrace:
>   (EE) 0: /usr/libexec/Xorg (OsLookupColor+0x13d) [0x55b1dc61258d]
>   (EE) 1: /lib64/libc.so.6 (__sigaction+0x50) [0x7f7972a3ea70]
>   (EE) 2: /usr/lib64/xorg/modules/drivers/amdgpu_drv.so
> (AMDGPUCreateWindow_oneshot+0x101) [0x7f797207ddd1]
>   (EE) 3: /usr/libexec/Xorg (compIsAlternateVisual+0xdc4) [0x55b1dc545fa4]
>   (EE) 4: /usr/libexec/Xorg (InitRootWindow+0x17) [0x55b1dc4e0047]
>   (EE) 5: /usr/libexec/Xorg (miPutImage+0xd4c) [0x55b1dc49e60b]
>   (EE) 6: /lib64/libc.so.6 (__libc_start_call_main+0x80) [0x7f7972a29550]
>   (EE) 7: /lib64/libc.so.6 (__libc_start_main+0x89) [0x7f7972a29609]
>   (EE) 8: /usr/libexec/Xorg (_start+0x25) [0x55b1dc49f2c5]
>   (EE)
>   (EE) Segmentation fault at address 0x4
>   (EE)
> Fatal server error:
>   (EE) Caught signal 11 (Segmentation fault). Server aborting
>
> so something is going horribly wrong. No kernel oops, though.
>
> It works on my intel laptop, so it's amdgpu somewhere.

I'll spin my ryzen up to see if I can reproduce, and test against the
drm-next pre-merge tree as well.

Dave.