'mount -t cifs' then 'ls /mnt' causes "soft lockup - CPU#0 stuck". Can't kill -9 nor init s, etc

I just experienced this issue , and posted as link below … never saw this post, but the Konq works great !!

https://forums.opensuse.org/t/mount-smb-to-local-mnt-works-but-then-cpu-errors-lock-up-system/