Should an installaion from DVD take hours to complete? y2base is running at 100%.

I downloaded Leap DVD (sha256sum test was OK), created flash drive, and began installation.
It went quickly and then stalled.

Top command

y2base is running at 100%. top showed 70minutes of 100% cpu. Leaving it, the system managed to transfer all the files to the hard disk

looking at messages
Running sub
50-mounted-tests debug running subtest /usr/lib/os-probes/mtd/90linux-distro

over and over and over and …

I canned the installation after the download but before the grub-installation…

A test run with the prerelease version required an overnight to perform

My system

intel E7300 dual core pentium 8 gigs ram, 2.66 speed

Other info
/mnt/directories are present. and filled.

Try going into bootloader properties on summary screen and unchecking Probe for Foreign OS if it makes any difference.

Bug report was raised as 953987