[Bug 49151] New: Wine 5.7 Multiple mono programs freeze with high CPU

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=49151

            Bug ID: 49151
           Summary: Wine 5.7 Multiple mono programs freeze with high CPU
           Product: Wine
           Version: 5.7
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: wine-bugs at winehq.org
          Reporter: spikethehobbitmage at excite.com
      Distribution: ---

Created attachment 67155
  --> https://bugs.winehq.org/attachment.cgi?id=67155
Error logs.  Output doesn't change between successful and failed runs.

Starting with Wine 5.7, multiple mono programs freeze with high CPU shortly
after starting.  Wineserver also shows high CPU usage.  Program window is only
partially drawn and is completely unresponsive.

Wine 5.8 is also affected.
Wine 5.6 works correctly.

A new, clean prefix was created for each wine version.  Default settings with
file associations and folders turned off in Desktop Integration.


Tested programs:

Aurora C#
closed source, free download
home page: http://aurora2.pentarch.org/
base install:  http://aurora2.pentarch.org/index.php?topic=10635.0
1.9.0 patch: http://aurora2.pentarch.org/index.php?topic=11134.0
1.9.5 patch: http://aurora2.pentarch.org/index.php?topic=11299.0

Wine 5.6 glitchy but mostly playable.
Wine 5.7, 5.8 incorrectly draws the main window too large, and some text is
black instead of yellow.


gedkeeper
open source, complies and runs correctly using native Linux mono.
home page: https://sourceforge.net/projects/gedkeeper/
git source: https://git.code.sf.net/p/gedkeeper/code

Wine 5.6 works fine.
Wine 5.7, 5.8 The scroll bar at the bottom of the language selection window
isn't drawn, but otherwise that window works.  Clicking OK then gives a
partially drawn main window and freeze.

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