A couple of days ago, when my wife tried to play
Disney
Dreamlight Valley under
Steam on her
Ubuntu Linux system, when
she clicked on "Play" it would appear that the game was going to start,
but it never did. When I checked on whether the executable program for
the game, ddv.exe, was running using the
ps command and
piping its output through
grep with ps -aux | grep -i 'ddv.exe' | grep -v grep
in a Terminal window,
I could see it ran briefly, but when I reissued the command a few moments
later, it was no longer running. To troubleshoot the problem, I closed
Steam and then killed all running instances of it with
pkill command, i.e.,
pkill Steam, in a Terminal window. The system has a
NVIDIA Quadro P2000 and the problem seems to have
been an issue related to
Vulkan
graphics software on the system. When I upgraded the
operating system and rebooted, the problem disappeared.
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