Comment 2 for bug 1841109

verification:

ubuntu@segers:~$ cat /proc/version
Linux version 4.15.0-63-generic (buildd@bos02-arm64-074) (gcc version 7.4.0 (Ubuntu/Linaro 7.4.0-1ubuntu1~18.04.1)) #72-Ubuntu SMP Fri Sep 6 10:15:17 UTC 2019
ubuntu@segers:~$ lsmod
Module Size Used by
libceph 364544 0
nls_iso8859_1 16384 1
ipmi_ssif 36864 0
joydev 28672 0
input_leds 16384 0
hns_roce_hw_v2 49152 0
hns_roce 81920 1 hns_roce_hw_v2
ipmi_si 69632 0
ipmi_devintf 20480 0
ipmi_msghandler 57344 3 ipmi_devintf,ipmi_si,ipmi_ssif
shpchp 40960 0
sch_fq_codel 20480 161
ib_iser 49152 0
rdma_cm 65536 1 ib_iser
iw_cm 40960 1 rdma_cm
ib_cm 57344 1 rdma_cm
ib_core 249856 6 rdma_cm,hns_roce_hw_v2,iw_cm,ib_iser,hns_roce,ib_cm
iscsi_tcp 20480 0
libiscsi_tcp 28672 1 iscsi_tcp
libiscsi 53248 3 libiscsi_tcp,iscsi_tcp,ib_iser
scsi_transport_iscsi 110592 3 iscsi_tcp,ib_iser,libiscsi
ip_tables 28672 0
x_tables 40960 1 ip_tables
autofs4 53248 2
btrfs 1253376 0
zstd_compress 159744 1 btrfs
raid10 57344 0
raid456 167936 0
async_raid6_recov 20480 1 raid456
async_memcpy 16384 2 raid456,async_raid6_recov
async_pq 16384 2 raid456,async_raid6_recov
async_xor 16384 3 async_pq,raid456,async_raid6_recov
async_tx 16384 5 async_pq,async_memcpy,async_xor,raid456,async_raid6_recov
xor 20480 2 async_xor,btrfs
raid6_pq 106496 4 async_pq,btrfs,raid456,async_raid6_recov
libcrc32c 16384 2 raid456,libceph
raid1 40960 0
raid0 20480 0
multipath 20480 0
linear 16384 0
hibmc_drm 36864 0
hid_generic 16384 0
marvell 28672 2
ttm 118784 1 hibmc_drm
aes_ce_blk 24576 0
aes_ce_cipher 16384 1 aes_ce_blk
drm_kms_helper 188416 1 hibmc_drm
ixgbe 331776 0
crc32_ce 16384 4
crct10dif_ce 16384 0
syscopyarea 16384 1 drm_kms_helper
ghash_ce 20480 0
hisi_sas_v3_hw 40960 2
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
hns3 65536 0
usbhid 65536 0
sha2_ce 16384 0
hisi_sas_main 40960 1 hisi_sas_v3_hw
fb_sys_fops 16384 1 drm_kms_helper
sha256_arm64 24576 1 sha2_ce
ptp 24576 1 ixgbe
sha1_ce 16384 0
drm 458752 4 drm_kms_helper,hibmc_drm,ttm
hclge 176128 2
libsas 81920 2 hisi_sas_v3_hw,hisi_sas_main
hid 122880 2 usbhid,hid_generic
pps_core 20480 1 ptp
ahci 40960 0
mdio 16384 1 ixgbe
hnae3 16384 3 hclge,hns3,hns_roce_hw_v2
scsi_transport_sas 40960 3 hisi_sas_v3_hw,hisi_sas_main,libsas
libahci 40960 1 ahci
gpio_dwapb 20480 0
aes_neon_bs 28672 1
aes_neon_blk 24576 1 aes_neon_bs
crypto_simd 16384 3 aes_neon_bs,aes_ce_blk,aes_neon_blk
cryptd 28672 1 crypto_simd
aes_arm64 16384 5 aes_neon_bs,aes_ce_cipher,ghash_ce,aes_ce_blk,aes_neon_blk