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s8s7qn0CCxjId//YvlQ== Ranjan, > The HBA firmware reports NVMe MDTS values based on the underlying > drive capability. However, because the driver allocates a fixed 4K > buffer for the PRP list, accommodating at most 512 entries, the driver > supports a maximum I/O transfer size of 2 MiB. > > Limit max_hw_sectors to the smaller of the reported MDTS and the 2 MiB > driver limit to prevent issuing oversized I/O that may lead to a > kernel oops. Applied to 7.1/scsi-staging, thanks! -- Martin K. Petersen