[SPDK] Re: NVMeofTCP SPDK host abort test

* [SPDK] Re: NVMeofTCP SPDK host abort test
@ 2021-07-16 17:31 Harris, James R
  0 siblings, 0 replies; 3+ messages in thread
From: Harris, James R @ 2021-07-16 17:31 UTC (permalink / raw)
  To: spdk

[-- Attachment #1: Type: text/plain, Size: 19431 bytes --]

Hi Gyan,

Thanks for your detailed report.  Could you file a GitHub issue for this?  https://github.com/spdk/spdk/issues

Thanks,

Jim

On 7/16/21, 10:26 AM, "Gyan Prakash" <gyapra2016(a)gmail.com> wrote:

    Hello all,

    I am using  NVMeofTCP SPDK host  and running IO abort test ( build/examples
    folder) to test my NVMeofTCP target.  I am running abort test with
    different queue depth like 4, 8, 16, 32.
    Test completes  fine for queue depth 4, 8, and 16 but it hangs and seems to
    be in some kind of continuous loop  for queue depth 32.

    In network trace, I see that for queue depth 32, host has sent a write
    command, target responded with r2t, host never sends the requested data.
    From the host console message, it looks like the host is in a continuous
    loop.

    I am providing the SPDK abort command console output for q depth (-q 4, -q
    16 and -q 32). Queue Depth 32 has so many errors on the host console and
    same error is being printed over and over. Please see below for more
    details.

    Can you please let me know how can we fix this

    Thanks,
    GP

    *with q depth = 32*
    ./abort -q 32 -s 4096 -w rw -M 50 -o 40960 -r 'trtype:tcp adrfam:IPv4
    traddr:10.10.10.167 trsvcid:4420 subnqn:nqn.2015-09.com.cdw:nvme.1'
    [2021-07-16 09:55:49.649538] Starting SPDK v21.07-pre git sha1 b73d3e689 /
    DPDK 21.02.0 initialization...
    [2021-07-16 09:55:49.649617] [ DPDK EAL parameters: [2021-07-16
    09:55:49.649630] abort [2021-07-16 09:55:49.649641] --no-shconf [2021-07-16
    09:55:49.649652] -c 0x1 [2021-07-16 09:55:49.649660] -m 4096 [2021-07-16
    09:55:49.649669] --no-pci [2021-07-16 09:55:49.649680]
    --log-level=lib.eal:6 [2021-07-16 09:55:49.649691]
    --log-level=lib.cryptodev:5 [2021-07-16 09:55:49.649702]
    --log-level=user1:6 [2021-07-16 09:55:49.649713] --iova-mode=pa [2021-07-16
    09:55:49.649724] --base-virtaddr=0x200000000000 [2021-07-16
    09:55:49.649736] --match-allocations [2021-07-16 09:55:49.649746]
    --file-prefix=spdk_pid126855 [2021-07-16 09:55:49.649758] ]
    EAL: No available 1048576 kB hugepages reported
    EAL: No legacy callbacks, legacy socket not created
    Initializing NVMe Controllers
    Attached to NVMe over Fabrics controller at 10.10.10.167:4420:
    nqn.2015-09.com.cdw:nvme.1
    controller IO queue size 16 less than required
    Consider using lower queue depth or small IO size because IO requests may
    be queued at the NVMe driver.
    Associating TCP (addr:10.10.10.167 subnqn:nqn.2015-09.com.cdw:nvme.1) NSID
    1 with lcore 0
    Initialization complete. Launching workers.
    [2021-07-16 09:55:52.997426] nvme_qpair.c:
    594:nvme_qpair_abort_queued_reqs: *ERROR*: aborting queued i/o
    [2021-07-16 09:55:52.997463] nvme_qpair.c:
    536:nvme_qpair_manual_complete_request: *NOTICE*: Command completed
    manually:
    [2021-07-16 09:55:52.997474] nvme_qpair.c: 272:nvme_io_qpair_print_command:
    *NOTICE*: WRITE sqid:1 cid:0 nsid:1 lba:22110 len:10 PRP1 0x0 PRP2 0x0
    [2021-07-16 09:55:52.997483] nvme_qpair.c: 455:spdk_nvme_print_completion:
    *NOTICE*: ABORTED - BY REQUEST (00/07) qid:1 cid:0 cdw0:0 sqhd:0000 p:0 m:0
    dnr:1
    [2021-07-16 09:55:52.997490] nvme_qpair.c:
    594:nvme_qpair_abort_queued_reqs: *ERROR*: aborting queued i/o
    [2021-07-16 09:55:52.997497] nvme_qpair.c:
    536:nvme_qpair_manual_complete_request: *NOTICE*: Command completed
    manually:
    [2021-07-16 09:55:52.997503] nvme_qpair.c: 272:nvme_io_qpair_print_command:
    *NOTICE*: WRITE sqid:1 cid:0 nsid:1 lba:22120 len:10 PRP1 0x0 PRP2 0x0
    [2021-07-16 09:55:52.997510] nvme_qpair.c: 455:spdk_nvme_print_completion:
    *NOTICE*: ABORTED - BY REQUEST (00/07) qid:1 cid:0 cdw0:0 sqhd:0000 p:0 m:0
    dnr:1
    [2021-07-16 09:55:52.997515] nvme_qpair.c:
    594:nvme_qpair_abort_queued_reqs: *ERROR*: aborting queued i/o
    [2021-07-16 09:55:52.997523] nvme_qpair.c:
    536:nvme_qpair_manual_complete_request: *NOTICE*: Command completed
    manually:
    [2021-07-16 09:55:52.997529] nvme_qpair.c: 272:nvme_io_qpair_print_command:
    *NOTICE*: WRITE sqid:1 cid:0 nsid:1 lba:22130 len:10 PRP1 0x0 PRP2 0x0
    [2021-07-16 09:55:52.997534] nvme_qpair.c: 455:spdk_nvme_print_completion:
    *NOTICE*: ABORTED - BY REQUEST (00/07) qid:1 cid:0 cdw0:0 sqhd:0000 p:0 m:0
    dnr:1
    [2021-07-16 09:55:52.997542] nvme_qpair.c:
    594:nvme_qpair_abort_queued_reqs: *ERROR*: aborting queued i/o
    [2021-07-16 09:55:52.997549] nvme_qpair.c:
    536:nvme_qpair_manual_complete_request: *NOTICE*: Command completed
    manually:
    [2021-07-16 09:55:52.997557] nvme_qpair.c: 272:nvme_io_qpair_print_command:
    *NOTICE*: READ sqid:1 cid:0 nsid:1 lba:22140 len:10 PRP1 0x0 PRP2 0x0
    [2021-07-16 09:55:52.997565] nvme_qpair.c: 455:spdk_nvme_print_completion:
    *NOTICE*: ABORTED - BY REQUEST (00/07) qid:1 cid:0 cdw0:0 sqhd:0000 p:0 m:0
    dnr:1
    [2021-07-16 09:55:52.997571] nvme_qpair.c:
    594:nvme_qpair_abort_queued_reqs: *ERROR*: aborting queued i/o
    [2021-07-16 09:55:52.997577] nvme_qpair.c:
    536:nvme_qpair_manual_complete_request: *NOTICE*: Command completed
    manually:
    [2021-07-16 09:55:52.997583] nvme_qpair.c: 272:nvme_io_qpair_print_command:
    *NOTICE*: WRITE sqid:1 cid:0 nsid:1 lba:22150 len:10 PRP1 0x0 PRP2 0x0
    [2021-07-16 09:55:52.997590] nvme_qpair.c: 455:spdk_nvme_print_completion:
    *NOTICE*: ABORTED - BY REQUEST (00/07) qid:1 cid:0 cdw0:0 sqhd:0000 p:0 m:0
    dnr:1
    [2021-07-16 09:55:52.997595] nvme_qpair.c:
    594:nvme_qpair_abort_queued_reqs: *ERROR*: aborting queued i/o
    [2021-07-16 09:55:52.997600] nvme_qpair.c:
    536:nvme_qpair_manual_complete_request: *NOTICE*: Command completed
    manually:
    [2021-07-16 09:55:52.997611] nvme_qpair.c: 272:nvme_io_qpair_print_command:
    *NOTICE*: WRITE sqid:1 cid:0 nsid:1 lba:22160 len:10 PRP1 0x0 PRP2 0x0
    [2021-07-16 09:55:52.997619] nvme_qpair.c: 455:spdk_nvme_print_completion:
    *NOTICE*: ABORTED - BY REQUEST (00/07) qid:1 cid:0 cdw0:0 sqhd:0000 p:0 m:0
    dnr:1
    [2021-07-16 09:55:52.997627] nvme_qpair.c:
    594:nvme_qpair_abort_queued_reqs: *ERROR*: aborting queued i/o
    [2021-07-16 09:55:52.997634] nvme_qpair.c:
    536:nvme_qpair_manual_complete_request: *NOTICE*: Command completed
    manually:
    [2021-07-16 09:55:52.997642] nvme_qpair.c: 272:nvme_io_qpair_print_command:
    *NOTICE*: READ sqid:1 cid:0 nsid:1 lba:22170 len:10 PRP1 0x0 PRP2 0x0
    [2021-07-16 09:55:52.997650] nvme_qpair.c: 455:spdk_nvme_print_completion:
    *NOTICE*: ABORTED - BY REQUEST (00/07) qid:1 cid:0 cdw0:0 sqhd:0000 p:0 m:0
    dnr:1
    [2021-07-16 09:55:52.997658] nvme_qpair.c:
    594:nvme_qpair_abort_queued_reqs: *ERROR*: aborting queued i/o
    [2021-07-16 09:55:52.997666] nvme_qpair.c:
    536:nvme_qpair_manual_complete_request: *NOTICE*: Command completed
    manually:
    [2021-07-16 09:55:52.997674] nvme_qpair.c: 272:nvme_io_qpair_print_command:
    *NOTICE*: READ sqid:1 cid:0 nsid:1 lba:22180 len:10 PRP1 0x0 PRP2 0x0
    [2021-07-16 09:55:52.997681] nvme_qpair.c: 455:spdk_nvme_print_completion:
    *NOTICE*: ABORTED - BY REQUEST (00/07) qid:1 cid:0 cdw0:0 sqhd:0000 p:0 m:0
    dnr:1
    [2021-07-16 09:55:52.997689] nvme_qpair.c:
    594:nvme_qpair_abort_queued_reqs: *ERROR*: aborting queued i/o
    [2021-07-16 09:55:52.997697] nvme_qpair.c:
    536:nvme_qpair_manual_complete_request: *NOTICE*: Command completed
    manually:
    [2021-07-16 09:55:52.997704] nvme_qpair.c: 272:nvme_io_qpair_print_command:
    *NOTICE*: WRITE sqid:1 cid:0 nsid:1 lba:22190 len:10 PRP1 0x0 PRP2 0x0
    [2021-07-16 09:55:52.997711] nvme_qpair.c: 455:spdk_nvme_print_completion:
    *NOTICE*: ABORTED - BY REQUEST (00/07) qid:1 cid:0 cdw0:0 sqhd:0000 p:0 m:0
    dnr:1
    [2021-07-16 09:55:52.997719] nvme_qpair.c:
    594:nvme_qpair_abort_queued_reqs: *ERROR*: aborting queued i/o
    [2021-07-16 09:55:52.997726] nvme_qpair.c:
    536:nvme_qpair_manual_complete_request: *NOTICE*: Command completed
    manually:
    [2021-07-16 09:55:52.997733] nvme_qpair.c: 272:nvme_io_qpair_print_command:
    *NOTICE*: READ sqid:1 cid:0 nsid:1 lba:22200 len:10 PRP1 0x0 PRP2 0x0
    [2021-07-16 09:55:52.997740] nvme_qpair.c: 455:spdk_nvme_print_completion:
    *NOTICE*: ABORTED - BY REQUEST (00/07) qid:1 cid:0 cdw0:0 sqhd:0000 p:0 m:0
    dnr:1
    [2021-07-16 09:55:52.997747] nvme_qpair.c:
    594:nvme_qpair_abort_queued_reqs: *ERROR*: aborting queued i/o
    [2021-07-16 09:55:52.997754] nvme_qpair.c:
    536:nvme_qpair_manual_complete_request: *NOTICE*: Command completed
    manually:
    [2021-07-16 09:55:52.997762] nvme_qpair.c: 272:nvme_io_qpair_print_command:
    *NOTICE*: READ sqid:1 cid:0 nsid:1 lba:22210 len:10 PRP1 0x0 PRP2 0x0
    [2021-07-16 09:55:52.997768] nvme_qpair.c: 455:spdk_nvme_print_completion:
    *NOTICE*: ABORTED - BY REQUEST (00/07) qid:1 cid:0 cdw0:0 sqhd:0000 p:0 m:0
    dnr:1
    [2021-07-16 09:55:52.997775] nvme_qpair.c:
    594:nvme_qpair_abort_queued_reqs: *ERROR*: aborting queued i/o
    [2021-07-16 09:55:52.997782] nvme_qpair.c:
    536:nvme_qpair_manual_complete_request: *NOTICE*: Command completed
    manually:
    [2021-07-16 09:55:52.997789] nvme_qpair.c: 272:nvme_io_qpair_print_command:
    *NOTICE*: READ sqid:1 cid:0 nsid:1 lba:22220 len:10 PRP1 0x0 PRP2 0x0
    [2021-07-16 09:55:52.997796] nvme_qpair.c: 455:spdk_nvme_print_completion:
    *NOTICE*: ABORTED - BY REQUEST (00/07) qid:1 cid:0 cdw0:0 sqhd:0000 p:0 m:0
    dnr:1
    [2021-07-16 09:55:52.997803] nvme_qpair.c:
    594:nvme_qpair_abort_queued_reqs: *ERROR*: aborting queued i/o
    [2021-07-16 09:55:52.997810] nvme_qpair.c:
    536:nvme_qpair_manual_complete_request: *NOTICE*: Command completed
    manually:
    [2021-07-16 09:55:52.997817] nvme_qpair.c: 272:nvme_io_qpair_print_command:
    *NOTICE*: READ sqid:1 cid:0 nsid:1 lba:22230 len:10 PRP1 0x0 PRP2 0x0
    [2021-07-16 09:55:52.997826] nvme_qpair.c: 455:spdk_nvme_print_completion:
    *NOTICE*: ABORTED - BY REQUEST (00/07) qid:1 cid:0 cdw0:0 sqhd:0000 p:0 m:0
    dnr:1
    [2021-07-16 09:55:52.997834] nvme_qpair.c:
    594:nvme_qpair_abort_queued_reqs: *ERROR*: aborting queued i/o
    [2021-07-16 09:55:52.997840] nvme_qpair.c:
    536:nvme_qpair_manual_complete_request: *NOTICE*: Command completed
    manually:
    [2021-07-16 09:55:52.997848] nvme_qpair.c: 272:nvme_io_qpair_print_command:
    *NOTICE*: READ sqid:1 cid:0 nsid:1 lba:22240 len:10 PRP1 0x0 PRP2 0x0
    [2021-07-16 09:55:52.997855] nvme_qpair.c: 455:spdk_nvme_print_completion:
    *NOTICE*: ABORTED - BY REQUEST (00/07) qid:1 cid:0 cdw0:0 sqhd:0000 p:0 m:0
    dnr:1
    [2021-07-16 09:55:52.997862] nvme_qpair.c:
    594:nvme_qpair_abort_queued_reqs: *ERROR*: aborting queued i/o
    [2021-07-16 09:55:52.997870] nvme_qpair.c:
    536:nvme_qpair_manual_complete_request: *NOTICE*: Command completed
    manually:
    [2021-07-16 09:55:52.997877] nvme_qpair.c: 272:nvme_io_qpair_print_command:
    *NOTICE*: READ sqid:1 cid:0 nsid:1 lba:22250 len:10 PRP1 0x0 PRP2 0x0
    [2021-07-16 09:55:52.997885] nvme_qpair.c: 455:spdk_nvme_print_completion:
    *NOTICE*: ABORTED - BY REQUEST (00/07) qid:1 cid:0 cdw0:0 sqhd:0000 p:0 m:0
    dnr:1
    [2021-07-16 09:55:52.997892] nvme_qpair.c:
    594:nvme_qpair_abort_queued_reqs: *ERROR*: aborting queued i/o
    [2021-07-16 09:55:52.997898] nvme_qpair.c:
    536:nvme_qpair_manual_complete_request: *NOTICE*: Command completed
    manually:
    [2021-07-16 09:55:52.997905] nvme_qpair.c: 272:nvme_io_qpair_print_command:
    *NOTICE*: READ sqid:1 cid:0 nsid:1 lba:22260 len:10 PRP1 0x0 PRP2 0x0
    [2021-07-16 09:55:52.997912] nvme_qpair.c: 455:spdk_nvme_print_completion:
    *NOTICE*: ABORTED - BY REQUEST (00/07) qid:1 cid:0 cdw0:0 sqhd:0000 p:0 m:0
    dnr:1
    [2021-07-16 09:55:52.997919] nvme_qpair.c:
    594:nvme_qpair_abort_queued_reqs: *ERROR*: aborting queued i/o
    [2021-07-16 09:55:52.997926] nvme_qpair.c:
    536:nvme_qpair_manual_complete_request: *NOTICE*: Command completed
    manually:
    [2021-07-16 09:55:52.997937] nvme_qpair.c: 272:nvme_io_qpair_print_command:
    *NOTICE*: READ sqid:1 cid:0 nsid:1 lba:22270 len:10 PRP1 0x0 PRP2 0x0
    [2021-07-16 09:55:52.997945] nvme_qpair.c: 455:spdk_nvme_print_completion:
    *NOTICE*: ABORTED - BY REQUEST (00/07) qid:1 cid:0 cdw0:0 sqhd:0000 p:0 m:0
    dnr:1
    [2021-07-16 09:55:52.997953] nvme_qpair.c:
    594:nvme_qpair_abort_queued_reqs: *ERROR*: aborting queued i/o
    [2021-07-16 09:55:52.997959] nvme_qpair.c:
    536:nvme_qpair_manual_complete_request: *NOTICE*: Command completed
    manually:
    [2021-07-16 09:55:52.997967] nvme_qpair.c: 272:nvme_io_qpair_print_command:
    *NOTICE*: READ sqid:1 cid:0 nsid:1 lba:22280 len:10 PRP1 0x0 PRP2 0x0
    [2021-07-16 09:55:52.997974] nvme_qpair.c: 455:spdk_nvme_print_completion:
    *NOTICE*: ABORTED - BY REQUEST (00/07) qid:1 cid:0 cdw0:0 sqhd:0000 p:0 m:0
    dnr:1
    [2021-07-16 09:55:52.997981] nvme_qpair.c:
    594:nvme_qpair_abort_queued_reqs: *ERROR*: aborting queued i/o
    [2021-07-16 09:55:52.997989] nvme_qpair.c:
    536:nvme_qpair_manual_complete_request: *NOTICE*: Command completed
    manually:
    [2021-07-16 09:55:52.997996] nvme_qpair.c: 272:nvme_io_qpair_print_command:
    *NOTICE*: READ sqid:1 cid:0 nsid:1 lba:22290 len:10 PRP1 0x0 PRP2 0x0
    [2021-07-16 09:55:52.998003] nvme_qpair.c: 455:spdk_nvme_print_completion:
    *NOTICE*: ABORTED - BY REQUEST (00/07) qid:1 cid:0 cdw0:0 sqhd:0000 p:0 m:0
    dnr:1
    [2021-07-16 09:55:52.998010] nvme_qpair.c:
    594:nvme_qpair_abort_queued_reqs: *ERROR*: aborting queued i/o
    [2021-07-16 09:55:52.998017] nvme_qpair.c:
    536:nvme_qpair_manual_complete_request: *NOTICE*: Command completed
    manually:
    [2021-07-16 09:55:52.998024] nvme_qpair.c: 272:nvme_io_qpair_print_command:
    *NOTICE*: READ sqid:1 cid:0 nsid:1 lba:22300 len:10 PRP1 0x0 PRP2 0x0
    [2021-07-16 09:55:52.998032] nvme_qpair.c: 455:spdk_nvme_print_completion:
    *NOTICE*: ABORTED - BY REQUEST (00/07) qid:1 cid:0 cdw0:0 sqhd:0000 p:0 m:0
    dnr:1
    [2021-07-16 09:55:52.998040] nvme_qpair.c:
    594:nvme_qpair_abort_queued_reqs: *ERROR*: aborting queued i/o
    [2021-07-16 09:55:52.998047] nvme_qpair.c:
    536:nvme_qpair_manual_complete_request: *NOTICE*: Command completed
    manually:
    [2021-07-16 09:55:52.998055] nvme_qpair.c: 272:nvme_io_qpair_print_command:
    *NOTICE*: WRITE sqid:1 cid:0 nsid:1 lba:22310 len:10 PRP1 0x0 PRP2 0x0
    [2021-07-16 09:55:52.998062] nvme_qpair.c: 455:spdk_nvme_print_completion:
    *NOTICE*: ABORTED - BY REQUEST (00/07) qid:1 cid:0 cdw0:0 sqhd:0000 p:0 m:0
    dnr:1
    [2021-07-16 09:55:52.998070] nvme_qpair.c:
    594:nvme_qpair_abort_queued_reqs: *ERROR*: aborting queued i/o
    [2021-07-16 09:55:52.998076] nvme_qpair.c:
    536:nvme_qpair_manual_complete_request: *NOTICE*: Command completed
    manually:
    [2021-07-16 09:55:52.998083] nvme_qpair.c: 272:nvme_io_qpair_print_command:
    *NOTICE*: WRITE sqid:1 cid:0 nsid:1 lba:22320 len:10 PRP1 0x0 PRP2 0x0
    [2021-07-16 09:55:52.998090] nvme_qpair.c: 455:spdk_nvme_print_completion:
    *NOTICE*: ABORTED - BY REQUEST (00/07) qid:1 cid:0 cdw0:0 sqhd:0000 p:0 m:0
    dnr:1
    [2021-07-16 09:55:52.998097] nvme_qpair.c:
    594:nvme_qpair_abort_queued_reqs: *ERROR*: aborting queued i/o
    [2021-07-16 09:55:52.998103] nvme_qpair.c:
    536:nvme_qpair_manual_complete_request: *NOTICE*: Command completed
    manually:
    [2021-07-16 09:55:52.998110] nvme_qpair.c: 272:nvme_io_qpair_print_command:
    *N

    *with q depth=4*

    ./abort -q 4 -s 4096 -w rw -M 50 -o 40960 -r 'trtype:tcp adrfam:IPv4
    traddr:10.10.10.167 trsvcid:4420 subnqn:nqn.2015-09.com.cdw:nvme.1'
    [2021-07-16 09:55:04.024076] Starting SPDK v21.07-pre git sha1 b73d3e689 /
    DPDK 21.02.0 initialization...
    [2021-07-16 09:55:04.024156] [ DPDK EAL parameters: [2021-07-16
    09:55:04.024169] abort [2021-07-16 09:55:04.024180] --no-shconf [2021-07-16
    09:55:04.024190] -c 0x1 [2021-07-16 09:55:04.024198] -m 4096 [2021-07-16
    09:55:04.024207] --no-pci [2021-07-16 09:55:04.024217]
    --log-level=lib.eal:6 [2021-07-16 09:55:04.024226]
    --log-level=lib.cryptodev:5 [2021-07-16 09:55:04.024235]
    --log-level=user1:6 [2021-07-16 09:55:04.024247] --iova-mode=pa [2021-07-16
    09:55:04.024257] --base-virtaddr=0x200000000000 [2021-07-16
    09:55:04.024268] --match-allocations [2021-07-16 09:55:04.024279]
    --file-prefix=spdk_pid126833 [2021-07-16 09:55:04.024289] ]
    EAL: No available 1048576 kB hugepages reported
    EAL: No legacy callbacks, legacy socket not created
    Initializing NVMe Controllers
    Attached to NVMe over Fabrics controller at 10.10.10.167:4420:
    nqn.2015-09.com.cdw:nvme.1
    Associating TCP (addr:10.10.10.167 subnqn:nqn.2015-09.com.cdw:nvme.1) NSID
    1 with lcore 0
    Initialization complete. Launching workers.
    NS: TCP (addr:10.10.10.167 subnqn:nqn.2015-09.com.cdw:nvme.1) NSID 1 I/O
    completed: 30102, failed: 15
    CTRLR: TCP (addr:10.10.10.167 subnqn:nqn.2015-09.com.cdw:nvme.1) abort
    submitted 45, failed to submit 30072
             success 15, unsuccess 30, failed 0

    *with q depth= 16*
    ./abort -q 16 -s 4096 -w rw -M 50 -o 40960 -r 'trtype:tcp adrfam:IPv4
    traddr:10.10.10.167 trsvcid:4420 subnqn:nqn.2015-09.com.c:nvme.1'
    [2021-07-16 09:55:32.400777] Starting SPDK v21.07-pre git sha1 b73d3e689 /
    DPDK 21.02.0 initialization...
    [2021-07-16 09:55:32.400855] [ DPDK EAL parameters: [2021-07-16
    09:55:32.400868] abort [2021-07-16 09:55:32.400876] --no-shconf [2021-07-16
    09:55:32.400886] -c 0x1 [2021-07-16 09:55:32.400896] -m 4096 [2021-07-16
    09:55:32.400905] --no-pci [2021-07-16 09:55:32.400915]
    --log-level=lib.eal:6 [2021-07-16 09:55:32.400924]
    --log-level=lib.cryptodev:5 [2021-07-16 09:55:32.400934]
    --log-level=user1:6 [2021-07-16 09:55:32.400944] --iova-mode=pa [2021-07-16
    09:55:32.400953] --base-virtaddr=0x200000000000 [2021-07-16
    09:55:32.400963] --match-allocations [2021-07-16 09:55:32.400971]
    --file-prefix=spdk_pid126846 [2021-07-16 09:55:32.400980] ]
    EAL: No available 1048576 kB hugepages reported
    EAL: No legacy callbacks, legacy socket not created
    Initializing NVMe Controllers
    Attached to NVMe over Fabrics controller at 10.10.10.167:4420:
    nqn.2015-09.com.cdw:nvme.1
    controller IO queue size 16 less than required
    Consider using lower queue depth or small IO size because IO requests may
    be queued at the NVMe driver.
    Associating TCP (addr:10.10.10.167 subnqn:nqn.2015-09.com.cdw:nvme.1) NSID
    1 with lcore 0
    Initialization complete. Launching workers.
    NS: TCP (addr:10.10.10.167 subnqn:nqn.2015-09.com.cdw:nvme.1) NSID 1 I/O
    completed: 49920, failed: 16
    CTRLR: TCP (addr:10.10.10.167 subnqn:nqn.2015-09.com.cdw:nvme.1) abort
    submitted 43, failed to submit 49893
             success 16, unsuccess 27, failed 0
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