[Bug 111968] Navi10 null pointer dereference in kernel 5.4 while running Vulkan CTS

[Bug 111968] Navi10 null pointer dereference in kernel 5.4 while running Vulkan CTS

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=111968

            Bug ID: 111968
           Summary: Navi10 null pointer dereference in kernel 5.4 while
                    running Vulkan CTS
           Product: DRI
           Version: DRI git
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: not set
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: venemo@msn.com

Created attachment 145698
  --> https://bugs.freedesktop.org/attachment.cgi?id=145698&action=edit
dmesg log with kernel 5.4-rc2 that shows the null pointer dereference

While running the Vulkan CTS, I encountered the following:

Running the cases dEQP-VK.memory.allocation.* will trigger a kernel NULL
pointer dereference in amdgpu on 5.4-rc2, see the attached dmesg log. After
this happens, the GPU can hang too, but doesn't always hang.

Hardware:
AMD Radeon RX 5700XT (reference card, made by Sapphire)
Dell U2718Q (two of them: one through HDMI, other through DisplayPort)
AMD Ryzen 7 3700X
MSI B450i

Software:
Fedora Workstation 31 x86_64
LLVM 9
Mesa master (what will be 19.3)

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[Bug 111968] Navi10 null pointer dereference in kernel 5.4 while running Vulkan CTS

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https://bugs.freedesktop.org/show_bug.cgi?id=111968

Alex Deucher <alexdeucher@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #145698|text/x-log                  |text/plain
          mime type|                            |

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[Bug 111968] Navi10 null pointer dereference in kernel 5.4 while running Vulkan CTS

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https://bugs.freedesktop.org/show_bug.cgi?id=111968

--- Comment #1 from Alex Deucher <alexdeucher@gmail.com> ---
I think that's a bug in dma-buf fixed with this patch:
https://cgit.freedesktop.org/drm/drm-misc/commit/?id=7fbd0782bf94d46993a7e5c08c0feda8dcab1f76

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[Bug 111968] Navi10 null pointer dereference in kernel 5.4 while running Vulkan CTS

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https://bugs.freedesktop.org/show_bug.cgi?id=111968

--- Comment #2 from Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> ---
FWIW that patch fixes the mentioned stacktrace for me.

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[Bug 111968] Navi10 null pointer dereference in kernel 5.4 while running Vulkan CTS

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https://bugs.freedesktop.org/show_bug.cgi?id=111968

--- Comment #3 from Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> ---
Seems like the patch is only enqueued for drm-misc-next, shouldn't this be in
drm-misc-fixes?

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[Bug 111968] Navi10 null pointer dereference in kernel 5.4 while running Vulkan CTS

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https://bugs.freedesktop.org/show_bug.cgi?id=111968

Alex Deucher <alexdeucher@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |christian.koenig@amd.com

--- Comment #4 from Alex Deucher <alexdeucher@gmail.com> ---
Christian was going to commit it to the fixes branch as well.

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[Bug 111968] Navi10 null pointer dereference in kernel 5.4 while running Vulkan CTS

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https://bugs.freedesktop.org/show_bug.cgi?id=111968

--- Comment #5 from Christian König <christian.koenig@amd.com> ---
This patch is already on the fixes branch for a while.

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[Bug 111968] Navi10 null pointer dereference in kernel 5.4 while running Vulkan CTS

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https://bugs.freedesktop.org/show_bug.cgi?id=111968

Martin Peres <martin.peres@free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |MOVED
             Status|NEW                         |RESOLVED

--- Comment #6 from Martin Peres <martin.peres@free.fr> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/drm/amd/issues/933.

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