[bug report] rdma_rxe doesn't work with blktests on 5.14.0-rc6

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Hello

I found rdma_rxe doesn't work with blktests on the latest upstream, is
it a known issue, feel free to let me know if you need any info/test
for it, thanks.

# nvme_trtype=rdma ./check nvme/008
nvme/008 (create an NVMeOF host with a block device-backed ns) [failed]
    runtime  0.323s  ...  0.329s
    --- tests/nvme/008.out 2021-08-18 00:18:35.380345954 -0400
    +++ /root/blktests/results/nodev/nvme/008.out.bad 2021-08-18
00:35:11.126723074 -0400
    @@ -1,5 +1,7 @@
     Running nvme/008
    -91fdba0d-f87b-4c25-b80f-db7be1418b9e
    -uuid.91fdba0d-f87b-4c25-b80f-db7be1418b9e
    -NQN:blktests-subsystem-1 disconnected 1 controller(s)
    +Failed to write to /dev/nvme-fabrics: Cannot allocate memory
    +cat: '/sys/class/nvme/nvme*/subsysnqn': No such file or directory
    +cat: /sys/block/n1/uuid: No such file or directory
    ...
    (Run 'diff -u tests/nvme/008.out
/root/blktests/results/nodev/nvme/008.out.bad' to see the entire diff)


[  981.382774] run blktests nvme/008 at 2021-08-18 00:33:21
[  981.470796] rdma_rxe: loaded
[  981.474338] infiniband eno1_rxe: set active
[  981.474340] infiniband eno1_rxe: added eno1
[  981.476737] eno2 speed is unknown, defaulting to 1000
[  981.481803] eno2 speed is unknown, defaulting to 1000
[  981.486865] eno2 speed is unknown, defaulting to 1000
[  981.492862] infiniband eno2_rxe: set down
[  981.492864] infiniband eno2_rxe: added eno2
[  981.492904] eno2 speed is unknown, defaulting to 1000
[  981.497957] eno2 speed is unknown, defaulting to 1000
[  981.504338] eno2 speed is unknown, defaulting to 1000
[  981.510442] eno3 speed is unknown, defaulting to 1000
[  981.515509] eno3 speed is unknown, defaulting to 1000
[  981.520580] eno3 speed is unknown, defaulting to 1000
[  981.526600] infiniband eno3_rxe: set down
[  981.526601] infiniband eno3_rxe: added eno3
[  981.526640] eno3 speed is unknown, defaulting to 1000
[  981.531693] eno3 speed is unknown, defaulting to 1000
[  981.538052] eno2 speed is unknown, defaulting to 1000
[  981.543115] eno3 speed is unknown, defaulting to 1000
[  981.549088] eno4 speed is unknown, defaulting to 1000
[  981.554149] eno4 speed is unknown, defaulting to 1000
[  981.559211] eno4 speed is unknown, defaulting to 1000
[  981.565201] infiniband eno4_rxe: set down
[  981.565203] infiniband eno4_rxe: added eno4
[  981.565242] eno4 speed is unknown, defaulting to 1000
[  981.570306] eno4 speed is unknown, defaulting to 1000
[  981.576724] eno2 speed is unknown, defaulting to 1000
[  981.581785] eno3 speed is unknown, defaulting to 1000
[  981.586848] eno4 speed is unknown, defaulting to 1000
[  981.599312] loop0: detected capacity change from 0 to 2097152
[  981.612261] nvmet: adding nsid 1 to subsystem blktests-subsystem-1
[  981.614215] nvmet_rdma: enabling port 0 (10.16.221.116:4420)
[  981.622586] nvmet: creating controller 1 for subsystem
blktests-subsystem-1 for NQN
nqn.2014-08.org.nvmexpress:uuid:4c4c4544-0035-4b10-8044-b9c04f463333.
[  981.622830] nvme nvme0: creating 32 I/O queues.
[  981.634860] nvme nvme0: failed to initialize MR pool sized 128 for
QID 32         ----------------------- failed here
[  981.772647] eno2 speed is unknown, defaulting to 1000
[  981.641676] nvme nvme0: rdma connection establishment failed (-12)
[  981.777715] eno3 speed is unknown, defaulting to 1000
[  981.782780] eno4 speed is unknown, defaulting to 1000
[  981.799443] rdma_rxe: unloaded

--
Best Regards,
  Yi Zhang




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