[  521.833141] run blktests scsi/007 at 2023-02-06 13:10:41
[  521.842069] ------------[ cut here ]------------
[  521.842073] proc_dir_entry 'scsi/scsi_debug' already registered
[  521.842083] WARNING: CPU: 1 PID: 30974 at fs/proc/generic.c:376 proc_register+0x144/0x1f0
[  521.842088] Modules linked in: scsi_debug(+) nvme_core hwmon nvme_common sunrpc qeth_l2 bridge stp llc zcrypt_cex4 qeth qdio ccwgroup vfio_ccw mdev vfio_iommu_type1 vfio loop fuse zram xfs crc32_vx_s390 ghash_s390 prng aes_s390 des_s390 libdes sha512_s390 sha256_s390 sha1_s390 sha_common dasd_eckd_mod dasd_mod pkey zcrypt [last unloaded: scsi_debug]
[  521.842119] CPU: 1 PID: 30974 Comm: modprobe Tainted: G        W          6.2.0-rc6 #1
[  521.842123] Hardware name: IBM 2964 N96 400 (z/VM 6.4.0)
[  521.842125] Krnl PSW : 0704c00180000000 0000000029fd8b88 (proc_register+0x148/0x1f0)
[  521.842130]            R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:0 PM:0 RI:0 EA:3
[  521.842134] Krnl GPRS: c0000000ffffc6ce 0000000000000027 0000000000000033 000000002b32c3c0
[  521.842137]            0000038000ceb670 0000038000ceb668 000000000000000a 0000000000f099c0
[  521.842139]            0000000047ee5cac 000000000000000a 0000000047ee5c00 0000000000e15088
[  521.842142]            0000000005a08000 0000000000f09a40 0000000029fd8b84 0000038000ceb810
[  521.842149] Krnl Code: 0000000029fd8b78: c0200065cf5b	larl	%r2,000000002ac92a2e
                          0000000029fd8b7e: c0e500467b45	brasl	%r14,000000002a8a8208
                         #0000000029fd8b84: af000000		mc	0,0
                         >0000000029fd8b88: a51efffd		llilh	%r1,65533
                          0000000029fd8b8c: c02000d90500	larl	%r2,000000002baf958c
                          0000000029fd8b92: eb11200000f8	laa	%r1,%r1,0(%r2)
                          0000000029fd8b98: 07e0		bcr	14,%r0
                          0000000029fd8b9a: 5830a05c		l	%r3,92(%r10)
[  521.842169] Call Trace:
[  521.842171]  [<0000000029fd8b88>] proc_register+0x148/0x1f0 
[  521.842174] ([<0000000029fd8b84>] proc_register+0x144/0x1f0)
[  521.842177]  [<000000002a4ef852>] scsi_proc_hostdir_add+0xc2/0x180 
[  521.842181]  [<000000002a4dc586>] scsi_host_alloc+0x2f6/0x3c0 
[  521.842184]  [<000003ff8019a122>] sdebug_driver_probe+0x62/0x480 [scsi_debug] 
[  521.842195]  [<000000002a4a6a66>] really_probe+0xd6/0x480 
[  521.842198]  [<000000002a4a6fc0>] driver_probe_device+0x40/0xf0 
[  521.842201]  [<000000002a4a7130>] __device_attach_driver+0xc0/0x140 
[  521.842204]  [<000000002a4a3e2e>] bus_for_each_drv+0x8e/0xd0 
[  521.842208]  [<000000002a4a7642>] __device_attach+0xe2/0x1b0 
[  521.842211]  [<000000002a4a5728>] bus_probe_device+0xa8/0xc0 
[  521.842215]  [<000000002a4a22cc>] device_add+0x3dc/0x980 
[  521.842218]  [<000003ff801a0c50>] sdebug_add_host_helper+0x160/0x2e0 [scsi_debug] 
[  521.842228]  [<000003ff80141768>] scsi_debug_init+0x768/0x1000 [scsi_debug] 
[  521.842238]  [<0000000029bc8976>] do_one_initcall+0x46/0x220 
[  521.842242]  [<0000000029cc6050>] do_init_module+0x60/0x240 
[  521.842245]  [<0000000029cc8bf2>] __do_sys_finit_module+0xb2/0x120 
[  521.842248]  [<000000002a8b8a94>] __do_syscall+0x1d4/0x200 
[  521.842252]  [<000000002a8c9962>] system_call+0x82/0xb0 
[  521.842262] Last Breaking-Event-Address:
[  521.842263]  [<000000002a396150>] __s390_indirect_jump_r14+0x0/0x10
[  521.842268] ---[ end trace 0000000000000000 ]---
[  521.842270] scsi_proc_hostdir_add: proc_mkdir failed for scsi_debug
[  521.889515] scsi_debug:sdebug_driver_probe: scsi_host_alloc failed