[Bug 110759] Blender 2.8 crash when selecting geometry with 19.0.5

[Bug 110759] Blender 2.8 crash when selecting geometry with 19.0.5

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https://bugs.freedesktop.org/show_bug.cgi?id=110759

            Bug ID: 110759
           Summary: Blender 2.8 crash when selecting geometry with 19.0.5
           Product: Mesa
           Version: 19.0
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: git@dougty.com
        QA Contact: dri-devel@lists.freedesktop.org

I've recently updated to mesa 19.0.5 on Arch Linux, and it's consistently
crashing Blender for me -- reverting to 19.0.4, everything is fine again.

Using the development build of Blender 2.8 (tested with 2019-05-24
caf52e3779a9), mesa 19.0.5 crashes upon selecting any geometry inside Blender.
This renders Blender quite unusable, so unfortunately this is a pretty show
stopping issue for me.

To reproduce:
1. Open Blender and select the default cube
2. Press tab to enter edit mode
3. Click on a vertex (and crash)

OS: Arch Linux x64
Kernel: Linux 5.1.4
Mesa: 19.0.5
LLVM: 8.0.0
CPU: Ryzen 2700X
GPU: Vega 56

Please let me know if further information is required. I am unsure of how to
generate a meaningful log from Blender.

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[Bug 110759] Blender 2.8 crash when selecting geometry with 19.0.5

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https://bugs.freedesktop.org/show_bug.cgi?id=110759

--- Comment #1 from Doug Ty <git@dougty.com> ---
Update:

This also happens with the latest development build of mesa
(19.2.0_devel.111215.1dc593e9b93 as compiled via mesa-git package on AUR)


I believe this is related to Bug 110721:
https://bugs.freedesktop.org/show_bug.cgi?id=110721

...As reverting "mesa: unreference current winsys buffers when unbinding winsys
buffers" fixes the crashing in Blender (in addition to the issues presented in
the other bug report.)

Using master + reverting that commit seems to resolve the issue for me.

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[Bug 110759] Blender 2.8 crash when selecting geometry with 19.0.5

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=110759

Doug Ty <git@dougty.com> changed:

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

--- Comment #2 from Doug Ty <git@dougty.com> ---


*** This bug has been marked as a duplicate of bug 110721 ***

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