nvme tcp receive errors

Keith Busch kbusch at kernel.org
Wed Mar 31 17:18:25 BST 2021


Hi,

While running a read-write mixed workload, we are observing errors like:

  nvme nvme4: queue 2 no space in request 0x1

Based on tcpdump, all data for this queue is expected to satisfy the
command request. I'm not familiar enough with the tcp interfaces, so
could anyone provide pointers on how to debug this further?

Thanks,
Keith



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