On Fri, 18 Nov 2022 16:37:09 +0800, Jie Zhan wrote:
> SATA devices on an expander may be removed and not be found again
> when I_T nexus reset and revalidation are processed simultaneously,
> which is probable to happen in hisi_sas_clear_nexus_ha().
>
> The issue came up since commit 71453bd9d1bf ("scsi: hisi_sas: Use
> sas_ata_wait_after_reset() in IT nexus reset"), where the ex_phy's
> change count is updated in hisi_sas_debug_I_T_nexus_reset(), stopping
> future revalidation from discovering the SATA devices after link
> reset.
>
> [...]
Applied to 6.2/scsi-queue, thanks!
[1/5] Revert "scsi: hisi_sas: Drain bcast events in hisi_sas_rescan_topology()"
https://git.kernel.org/mkp/scsi/c/7e613be7c63d
[2/5] Revert "scsi: hisi_sas: Don't send bcast events from HW during nexus HA reset"
https://git.kernel.org/mkp/scsi/c/94a3555d1f0f
[3/5] scsi: libsas: Add smp_ata_check_ready_type()
https://git.kernel.org/mkp/scsi/c/9181ce3cb5d9
[4/5] scsi: hisi_sas: Fix SATA devices missing issue during I_T nexus reset
https://git.kernel.org/mkp/scsi/c/3c2673a09cf1
[5/5] scsi: libsas: Do not export sas_ata_wait_after_reset()
https://git.kernel.org/mkp/scsi/c/4d450cf2b00d
--
Martin K. Petersen Oracle Linux Engineering
