A few hours later I was also surprised by an abrupt system shutdown. It was determined by a detailed hardware analysis yesterday that my power supply unit and graphic card became accidentally broken.
I replaced these components so that my computer runs mostly as expected again.
How are the chances to fix this error?
Further technical adjustments will be needed to get my openSUSE installation running again as usual.
Another boot try brought this system start a few steps further a moment ago. It seems that it hangs after “a pause” at the following step so far.
Bad shut down do to failing power supply can cause major problem with file systems
Basically you need to run fsck program agenst each partition. The best way is to use a live Linux boot with the same OS and ver then in a console as root run fsck against each Linux partition.It may be able to fix things but note that if too bad it may not be able to peace things together. You will find the file fragments that it could not deal with in the lost&found directory. In theory thing can be glued back together but practically it is not worth the time.