[Bug 46707] New: Microsoft Word 2019 freeze the whole screen on nouveau driver with CSMT enabled

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=46707

            Bug ID: 46707
           Summary: Microsoft Word 2019 freeze the whole screen on nouveau
                    driver with CSMT enabled
           Product: Wine
           Version: 4.2
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: minor
          Priority: P2
         Component: directx-d3d
          Assignee: wine-bugs at winehq.org
          Reporter: peathot at hotmail.com
      Distribution: ---

Created attachment 63673
  --> https://bugs.winehq.org/attachment.cgi?id=63673
Console output with CSMT enabled

When using Microsoft Word 2019 (version 1902, build 11328.20100, installed via
Office 365) for a while, the program, followed by the whole screen, will
freeze. The mouse pointer is still movable, and I can SSH into the machine and
kill WINWORD.EXE. After a moment, the screen will become usable again.

By disabling CSMT in registry (HKCU/Software/Wine/Direct3D,
csmt=dword:00000000), the problem doesn't occurred. The console output for both
when CSMT is enabled and disabled is attached. Also, the kernel messages when
CSMT is enabled is attached (there's no kernel messages when CSMT is disabled).

This is Wine 4.2 on Xubuntu 18.04. The machine is Mac Mini early 2009 with
Nvidia Geforce 9400m [1]. The graphic stack is mesa + nouveau (i.e. Nvidia
proprietary driver is not installed).

The MS Office is installed using the instructions from [2]. The first registry
workaround is also used.

Actually, the kernel messages suggests that it's nouveau fault. From my
research, it seems like nouveau doesn't like OpenGL calls from multiple thread
[3][4]. If it's actually nouveau's fault, I guess we could disable CSMT by
default if we detect nouveau driver?

[1] Yes, it's a bit old. But this same machine can run this software on Windows
10. So, it's not the problem.
[2]
https://appdb.winehq.org/objectManager.php?sClass=version&iId=35527&iTestingId=101976
[3] https://bugs.freedesktop.org/show_bug.cgi?id=92438#c39
[4] https://bugreports.qt.io/browse/QTBUG-73715

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