The latest Tumbleweed version with kernel-source from Thu Jul 25 12:37:14 CEST
2024 fails in openQA because openQA cannot connect to /dev/hvc0

Looking at autoinst-log.txt one can find the following trace:

expect_3270 queue content:
        [    1.846766][   T24] Freeing initrd memory: 75820K                    
        [    1.847487][    T1] Block layer SCSI generic (bsg) driver version
0.4 loaded 
        (major 250)                                                             
        [    1.847540][    T1] io scheduler mq-deadline registered              
        [    1.847543][    T1] io scheduler kyber registered                    
        [    1.847564][    T1] io scheduler bfq registered                      
        [    1.848365][    T1] shpchp: Standard Hot Plug PCI Controller Driver
version: 
        0.4                                                                     
        [    1.848531][    T1] sysfs: cannot create duplicate filename
'/devices/iucv/hv
        c_iucv1827699952'                                                       
        [    1.848535][    T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted
6.10.1-1-defaul
        t #1 openSUSE Tumbleweed 84b24c83f5e66871052e51fb35f0e9a59b94613c       
        [    1.848540][    T1] Hardware name: IBM 8561 LT1 400 (z/VM 7.3.0)     
        [    1.848543][    T1] Call Trace:                                      
        [    1.848546][    T1]  [<000001aa6da5123a>] dump_stack_lvl+0x72/0x98   
        [    1.848556][    T1]  [<000001aa6d3fa698>] sysfs_warn_dup+0x78/0x90   
        [    1.848560][    T1]  [<000001aa6d3fa80a>]
sysfs_create_dir_ns+0xda/0xf0      
        [    1.848563][    T1]  [<000001aa6da1d38c>]
kobject_add_internal+0xdc/0x340  

See https://openqa.opensuse.org/tests/4363889/logfile?filename=autoinst-log.txt
Note, that kernel version 6.9.9 still worked in openQA
osc rdiff -r 36fd608fa90d991e150abb50963bb31d:5afd09fb4c6fb64db820aed23183b441
openSUSE:Factory:zSystems kernel-source