Comment 5 for bug 1914976

I did not reproduce this issue on saenger[1], segers[2] and scobee[3] with 5.4.0-65 ubuntu kernel.

[1] saenger

(initramfs) cat /proc/version /proc/cmdline; rmmod hisi_sas_v3_hw
Linux version 5.4.0-65-generic (buildd@bos02-arm64-048) (gcc version 7.5.0 (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04)) #73~18.04.1-Ubuntu SMP Tue Jan 19 09:05:37 UTC 2021
BOOT_IMAGE=/boot/vmlinuz-5.4.0-65-generic root=UUID=835de629-96b1-4857-9181-8274f692e799 ro sysrq_always_enabled cpumax=15 nr_cpus=15 break

[2] segers

(initramfs) cat /proc/version /proc/cmdline; rmmod hisi_sas_v3_hw
Linux version 5.4.0-65-generic (b[ 213.693246] sd 7:0:1:0: [sdb] Synchronizing SCSI cache
uildd@bos02-arm64-048) (gcc vers[ 213.700279] sd 7:0:1:0: [sdb] Stopping disk
ion 7.5.0 (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04)) #73~18.04.1-Ubuntu SMP Tue Jan 19 09:05:37 UTC 2021
BOOT_IMAGE=/boot/vmlinuz-5.4.0-65-generic root=UUID=e70c736e-0fc9-4459-9e23-d18d2fafb1bb ro sysrq_always_enabled cpumax=15 nr_cpus=15 break
[ 213.832514] hisi_sas_v3_hw 0000:b4:04.0: dev[2:5] is gone
[ 213.838536] sd 7:0:0:0: [sda] Synchronizing SCSI cache
[ 213.843735] sd 7:0:0:0: [sda] Stopping disk
[ 213.948525] hisi_sas_v3_hw 0000:b4:04.0: dev[1:5] is gone

[3] scobee
(initramfs) cat /proc/version /proc/cmdline; rmmod hisi_sas_v3_hw
Linux version 5.4.0-65-generic (buildd@bos02-arm64-048) (gcc version 7.5.0 (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04)) #73~18.04.1-Ubuntu SMP Tue Jan 19 09:05:37 UTC 2021
BOOT_IMAGE=/boot/vmlinuz-5.4.0-65-generic root=UUID=e6b10f77-e7aa-431c-9711-aa68f3db5621 ro sysrq_always_enabled cpumax=15 nr_cpus=15 break
[ 28.694842] sas: ex 500e004aaaaaaa1f phys DID NOT change
[ 28.701910] sas: ex 500e004aaaaaaa1f phys DID NOT change
[ 28.708984] sas: ex 500e004aaaaaaa1f phys DID NOT change
[ 28.715951] sas: ex 500e004aaaaaaa1f phys DID NOT change
[ 28.723037] sas: ex 500e004aaaaaaa1f phys DID NOT change
[ 28.730053] sas: ex 500e004aaaaaaa1f phys DID NOT change
[ 28.737057] sas: ex 500e004aaaaaaa1f phys DID NOT change
[ 28.742851] hisi_sas_v3_hw 0000:74:02.0: dev[4:1] is gone
[ 28.748692] sd 1:0:1:0: [sdb] Synchronizing SCSI cache
[ 28.759216] sd 1:0:1:0: [sdb] Stopping disk
[ 29.273642] hisi_sas_v3_hw 0000:74:02.0: dev[3:5] is gone
[ 29.279548] sd 1:0:0:0: [sda] Synchronizing SCSI cache
[ 29.293217] sd 1:0:0:0: [sda] Stopping disk
[ 29.865673] hisi_sas_v3_hw 0000:74:02.0: dev[2:5] is gone
[ 29.872431] hisi_sas_v3_hw 0000:74:02.0: dev[1:2] is gone