linux-kernel - Re: [git pull] drm for 5.20/6.0

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Date:   Wed, 3 Aug 2022 20:47:26 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Dave Airlie <airlied@...il.com>
Cc:     Daniel Vetter <daniel.vetter@...ll.ch>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [git pull] drm for 5.20/6.0

On Wed, Aug 3, 2022 at 8:37 PM Dave Airlie <airlied@...il.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 guess I will start bisecting. Oy vey.

             Linus