On 12/03/2021 05:38, Shinichiro Kawasaki wrote: > The WARNING was found in kernel v5.12-rc2 test with a SAS SMR drive and HBA > Broadcom 9400. It can be recreated by running blktests block/004 on the drive > (after reboot). It is also recreated with SATA SMR drive with the HBA, but not > observed with SATA drives connected to AHCI. > > I reverted the commit 664f0dce2058, then the WARNING disappeared. I suppose > it indicates that the commit changed HBA driver behavior. Alright then it's: Fixes: 664f0dce2058 ("scsi: mpt3sas: Add support for shared host tagset for CPU hotplug") Martin, can you pick it up for the fixes queue?