Thanks. 5.4.0-85.95 kernel works fine with soft RAID5 on kunpeng920
$ lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT loop0 7:0 0 62M 1 loop /snap/lxd/21032 loop1 7:1 0 48.9M 1 loop /snap/core18/2127 loop2 7:2 0 28.1M 1 loop /snap/snapd/12707 sda 8:0 0 557.9G 0 disk ├─sda1 8:1 0 512M 0 part /boot/efi └─sda2 8:2 0 557.4G 0 part / sdb 8:16 0 557.9G 0 disk ├─sdb1 8:17 0 100G 0 part │ └─md0 9:0 0 199.9G 0 raid5 ├─sdb2 8:18 0 100G 0 part │ └─md0 9:0 0 199.9G 0 raid5 └─sdb3 8:19 0 100G 0 part └─md0 9:0 0 199.9G 0 raid5 $ uname -a Linux saenger 5.4.0-85-generic #95-Ubuntu SMP Fri Sep 3 16:13:17 UTC 2021 aarch64 aarch64 aarch64 GNU/Linux $ dmesg | tail -3 [ 531.883803] md0: detected capacity change from 0 to 214612049920 [ 531.883914] md: recovery of RAID array md0 [ 739.851754] hns3 0000:7d:00.0 enp125s0f0: link down
Thanks. 5.4.0-85.95 kernel works fine with soft RAID5 on kunpeng920
$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
loop0 7:0 0 62M 1 loop /snap/lxd/21032
loop1 7:1 0 48.9M 1 loop /snap/core18/2127
loop2 7:2 0 28.1M 1 loop /snap/snapd/12707
sda 8:0 0 557.9G 0 disk
├─sda1 8:1 0 512M 0 part /boot/efi
└─sda2 8:2 0 557.4G 0 part /
sdb 8:16 0 557.9G 0 disk
├─sdb1 8:17 0 100G 0 part
│ └─md0 9:0 0 199.9G 0 raid5
├─sdb2 8:18 0 100G 0 part
│ └─md0 9:0 0 199.9G 0 raid5
└─sdb3 8:19 0 100G 0 part
└─md0 9:0 0 199.9G 0 raid5
$ uname -a
Linux saenger 5.4.0-85-generic #95-Ubuntu SMP Fri Sep 3 16:13:17 UTC 2021 aarch64 aarch64 aarch64 GNU/Linux
$ dmesg | tail -3
[ 531.883803] md0: detected capacity change from 0 to 214612049920
[ 531.883914] md: recovery of RAID array md0
[ 739.851754] hns3 0000:7d:00.0 enp125s0f0: link down