Created attachment 848295 [details]
hardware info (generated with YaST)

When i try to boot the default kernel (5.3.18-52-default) the system hangs with
an endless loop repeating the following messages:
[code]
BUG: workqueue lockup - pool cpus=7 node=0 flags=0x0 nice=0 stuck for 69s!
Showing busy workqueues and pools:
workqueue events: flags=0x0
   pwq 14: cpus=7 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
      pending: free_work 
   pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
      pending: vmstat_shepherd
workqueue events_unbound: flags=0x8
   pwq 32: cpus=0-15 flags=0x4 nice=0 active=1/256 refcnt=2
      in-flight: 396:fsnotify_connector_destroy_workfn,
395:fsnotify_mark_destroy_workfn
workqueue rcu_gp: flags=0x8
   pwq 14: cpus=7 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
      pending: process_srcu
workqueue mm_percpu_wq: flags=0x8
   pwq 14: cpus=7 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
      pending: vmstat_update
workqueue usb_hub_wq: flags=0x4
   pwq 14: cpus=7 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
      in-flight: 97:hub_event [usbcore]
pool 14: cpus=7 node=0 flags=0x0 nice=0 hung=70s workers=4 idle: 405 407 55
pool32: cpus=0-15 flags=0x4 nice=0 hung=22s workers=13 idle: 397 386 385 384
383 382 381 114 8 232 400
[/code]

Booting with 5.3.18-lp152.66-default works without any problems.

YaST generated hardwareinfo attached.