Messages in this thread | | | Date | Thu, 20 Aug 2020 18:12:14 +0100 | From | Christoph Hellwig <> | Subject | Re: v5.9-rc1 commit reliably breaks pci nvme detection |
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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.
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