[Bug 51752] New: Sacred Underworld. Black screen after campaign start

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=51752

Bug ID: 51752
           Summary: Sacred Underworld. Black screen after campaign start
           Product: Wine
           Version: 6.17
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: blocker
          Priority: P2
         Component: -unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Created attachment 70647
  --> https://bugs.winehq.org/attachment.cgi?id=70647
terminal output from start until campaign start

I have the GOG version of Sacred Gold installed and once I start the Underworld
campaign the screen fading black - like if there was a cut scene - and never
comes back. The game still runs in background as noticeable by sound (foot
steps when moving, enemies...).

It has been years since I played Underworld on a Windows machine but if I
remember correctly the character also does not spawn at the Underworld starting
point but close to the in the Ancaria starting points - depending on chosen
class - before the screen fades black which is odd as well.

The Sacred Ancaria campaign itself plays perfectly fine. Finished it a couple
of times to unlock Niob difficulty.

This issue happens on both version 2.28 and 2.29.14 unofficial.
Tested on both Ubuntu Focal wine-development package (version 5.5.something
IIRC) and winehq-development 6.17.

I tried tinkering with the settings of both wine (tried Windows7 and XP mode
and fullscreen emulation) and of Sacred (turn fullscreen on/of, play videos and
so so) but did not change anything.

Not sure which information could be useful so I try to give as much as
possible.
I am running Linux Mint 20.2 Uma Cinnamon on mainline Linux (currently 5.14.y),
however I had this issue with Hirsute kernel (5.11.y) as well.
For graphics drivers I use oibaf/graphics-drivers/ PPA.
I run the latest linux-firmware by using the Ubuntu impish package which at the
moment is version 1.199.

My machine is a Levono Yoga 7 with AMD Ryzen 7 4800U processor.

I chose "blocker" as severity since not being able to play a whole campaign at
all is kind a severe I guess.

Thank your for reading.

Cheers
Werner