On Thu, Aug 20, 2020 at 11:10:58AM -0600, Jens Axboe wrote: > To be fair, I've only heard this one complaint about it, so hopefully it's > not too widespread. I'm on an x86-64 laptop myself with nvme, and it works > just fine :-)
The cause for this is the weird NVMe of by ones, where 0 in a field means 1. So for the overflow to happen you need a controller that supports USHORT_MAX queue entries. Which don't seem to be all that common.
