On 11/03/2021 16:48, Bart Van Assche wrote: > On 3/11/21 7:18 AM, Johannes Thumshirn wrote: >> On 11/03/2021 16:13, Bart Van Assche wrote: >>> On 3/10/21 1:48 AM, Johannes Thumshirn wrote: >>>> Recent changes [ ... ] >>> >>> Please add Fixes: and/or Cc: stable tags as appropriate. >> >> I couldn't pin down the offending commit and I can't reproduce it locally >> as well, so I opted out of this. But it must be something between v5.11 and v5.12-rc2. > > That's weird. Did Shinichiro use a HBA? Could this be the result of a > behavior change in the HBA driver? Yes I've looked at the commits in mpt3sas, but can't really pinpoint the offending commit TBH. 664f0dce2058 ("scsi: mpt3sas: Add support for shared host tagset for CPU hotplug") is the only one that /looks/ as if it could be causing it, but I don't know mpt3sas well enough. FWIW added Sreekanth