Reverted the linux-next commit on today’s tree, d3ef5536274f (“block: fix busy device checking in blk_drop_partitions”) makes IBM partition to be recognized again on s390 rootfs, 01: [ 83.443963] dasda:VOL1/ 0X0121: dasda1 01: [ 85.124667] qeth 0.0.8000 enc8000: renamed from eth0 01: [ 85.731860] dasd-eckd 0.0.0120: DASD with 4 KB/block, 72122400 KB total s 01: ize, 48 KB/track, compatible disk layout 01: [ 86.076722] dasdb:VOL1/ 0X0120: dasdb1 dasdb2 Otherwise, it is DOA, 00: Starting Show Plymouth Boot Screen... 00: [ 37.202263] qeth 0.0.8000: portname is deprecated and is ignored 00: [ 37.677993] qdio: 0.0.8002 OSA on SC 4 using AI:1 QEBSM:0 PRI:1 TDD:1 SIG 00: A:RW A 00: [ 37.770970] qeth 0.0.8000: MAC address 02:de:ad:be:ef:87 successfully reg 00: istered 00: [ 37.771547] qeth 0.0.8000: Device is a Virtual NIC QDIO card (level: V642 00: ) 00: [ 37.771547] with link type Virt.NIC QDIO. 00: [ 38.036231] ccw_init (415) used greatest stack depth: 56496 bytes left 00: Starting dracut initqueue hook... 00: [ 39.176304] dasd-eckd 0.0.0120: A channel path to the device has become o 00: perational 00: [ 39.453273] dasd-eckd 0.0.0120: New DASD 3390/0E (CU 3990/01) with 100170 00: cylinders, 15 heads, 224 sectors 00: [ 39.655564] dasd-eckd 0.0.0121: A channel path to the device has become o 00: perational 00: [ 39.722706] dasd-eckd 0.0.0121: New DASD 3390/0E (CU 3990/01) with 100170 00: cylinders, 15 heads, 224 sectors 01: [ 41.133963] dasd-eckd 0.0.0121: DASD with 4 KB/block, 72122400 KB total s 01: ize, 48 KB/track, compatible disk layout 01: [ 41.145510] dasd-eckd 0.0.0120: DASD with 4 KB/block, 72122400 KB total s 01: ize, 48 KB/track, compatible disk layout 01: [ 41.609625] qeth 0.0.8000 enc8000: renamed from eth0 01: [ 41.609625] qeth 0.0.8000 enc8000: renamed from eth0 01: Warning: /dev/mapper/rhel_ibm--z--135-root does not exist 01: Warning: /dev/rhel_ibm-z-135/root does not exist 01: Warning: /dev/rhel_ibm-z-135/swap does not exist 01: 01: Generating "/run/initramfs/rdsosreport.txt" 01: 01: 01: Entering emergency mode. Exit the shell to continue. 01: Type "journalctl" to view system logs. 01: You might want to save "/run/initramfs/rdsosreport.txt" to a USB stick or /b 01: oot 01: after mounting them and attach it to a bug report. 01: 01: 00: dracut:/#