RE: rdma_create_qp_ex fails with EINVAL

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Thanks, Mark for the reply!

Just for clarification, the EINVAL is returned by "write(id->channel->fd, &cmd, sizeof cmd)" on the target's CM. 

Is  drivers/infiniband/core/cma.c::rdma_init_qp_attr() the place where this information is received? I'm assuming there's somewhere a read to receive and parse the cmd.
I instrumented the kernel method but did not see any EINVAL being returned by the functions it calls.

I did enable ib_cm tracepoints and I can certainly see a difference between a successful reconnect and the one where I'm getting the EINVAL from rdma_create_qp_ex on the target.

Here's a trace where I restarted 3 of my targets and one of the targets got an EINVAL. There are differences compared to a single target restart where I don't get the EINVAL.
For example, with the 3 target restart, I see 
kworker/u128:16-122088  [015] d... 23624.284646: icm_send_dreq: local_id=4276945285 remote_id=2228218936 state=ESTABLISHED lap_state=LAP_UNINIT
and
kworker/u128:44-122177  [015] d... 23624.420678: icm_send_rej: local_id=82641285 remote_id=0 state=IDLE reason=REJ_TIMEOUT

I don't see these when there's no indication of the EINVAL. Given that there are many reconnects happening under load, could I be running into some timeout issue?

Here's the full trace for the failure case:

kworker/u128:0-116409  [033] d... 23608.184588: icm_dreq_skipped: local_id=1860960645 remote_id=726883589 state=DREQ_RCVD lap_state=LAP_UNINIT
  kworker/u128:0-116409  [033] d... 23608.184600: icm_send_drep: local_id=1860960645 remote_id=726883589 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:61-122438  [044] d... 23608.280280: icm_dreq_skipped: local_id=1793851781 remote_id=793992453 state=DREQ_RCVD lap_state=LAP_UNINIT
 kworker/u128:61-122438  [044] d... 23608.280294: icm_send_drep: local_id=1793851781 remote_id=793992453 state=TIMEWAIT lap_state=LAP_UNINIT
  kworker/u128:8-121979  [003] d... 23608.364283: icm_dreq_skipped: local_id=1810628997 remote_id=542334213 state=DREQ_RCVD lap_state=LAP_UNINIT
  kworker/u128:8-121979  [003] d... 23608.364293: icm_send_drep: local_id=1810628997 remote_id=542334213 state=TIMEWAIT lap_state=LAP_UNINIT
  kworker/u128:0-116409  [047] d... 23608.376395: icm_dreq_skipped: local_id=1844183429 remote_id=710106373 state=DREQ_RCVD lap_state=LAP_UNINIT
  kworker/u128:0-116409  [047] d... 23608.376409: icm_send_drep: local_id=1844183429 remote_id=710106373 state=TIMEWAIT lap_state=LAP_UNINIT
  kworker/u128:2-113963  [047] d... 23608.452306: icm_dreq_skipped: local_id=2498560389 remote_id=559111429 state=DREQ_RCVD lap_state=LAP_UNINIT
  kworker/u128:2-113963  [047] d... 23608.452317: icm_send_drep: local_id=2498560389 remote_id=559111429 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:61-122438  [001] d... 23608.472377: icm_dreq_skipped: local_id=1877737861 remote_id=743660805 state=DREQ_RCVD lap_state=LAP_UNINIT
 kworker/u128:61-122438  [001] d... 23608.472384: icm_send_drep: local_id=1877737861 remote_id=743660805 state=TIMEWAIT lap_state=LAP_UNINIT
  kworker/u128:0-116409  [014] d... 23608.480343: icm_dreq_skipped: local_id=2263679365 remote_id=861101317 state=DREQ_RCVD lap_state=LAP_UNINIT
  kworker/u128:0-116409  [014] d... 23608.480352: icm_send_drep: local_id=2263679365 remote_id=861101317 state=TIMEWAIT lap_state=LAP_UNINIT
  kworker/u128:8-121979  [044] d... 23608.540342: icm_dreq_skipped: local_id=1760297349 remote_id=760438021 state=DREQ_RCVD lap_state=LAP_UNINIT
 kworker/u128:23-122126  [045] d... 23608.540346: icm_dreq_skipped: local_id=2246902149 remote_id=844324101 state=DREQ_RCVD lap_state=LAP_UNINIT
  kworker/u128:8-121979  [044] d... 23608.540354: icm_send_drep: local_id=1760297349 remote_id=760438021 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:23-122126  [045] d... 23608.540356: icm_send_drep: local_id=2246902149 remote_id=844324101 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:61-122438  [046] d... 23608.556646: icm_dreq_skipped: local_id=2163016069 remote_id=894655749 state=DREQ_RCVD lap_state=LAP_UNINIT
 kworker/u128:61-122438  [046] d... 23608.556656: icm_send_drep: local_id=2163016069 remote_id=894655749 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:22-122121  [045] d... 23608.588364: icm_dreq_skipped: local_id=2280456581 remote_id=877878533 state=DREQ_RCVD lap_state=LAP_UNINIT
 kworker/u128:22-122121  [045] d... 23608.588374: icm_send_drep: local_id=2280456581 remote_id=877878533 state=TIMEWAIT lap_state=LAP_UNINIT
  kworker/u128:8-121979  [012] d... 23608.600372: icm_dreq_skipped: local_id=2330788229 remote_id=3478936837 state=DREQ_RCVD lap_state=LAP_UNINIT
  kworker/u128:8-121979  [012] d... 23608.600383: icm_send_drep: local_id=2330788229 remote_id=3478936837 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:16-122088  [014] d... 23608.628834: icm_dreq_skipped: local_id=3035431301 remote_id=3244055813 state=DREQ_RCVD lap_state=LAP_UNINIT
 kworker/u128:16-122088  [014] d... 23608.628844: icm_send_drep: local_id=3035431301 remote_id=3244055813 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:11-122034  [015] d... 23608.653039: icm_dreq_skipped: local_id=2347565445 remote_id=3227278597 state=DREQ_RCVD lap_state=LAP_UNINIT
 kworker/u128:11-122034  [015] d... 23608.653051: icm_send_drep: local_id=2347565445 remote_id=3227278597 state=TIMEWAIT lap_state=LAP_UNINIT
  kworker/u128:5-121941  [046] d... 23608.654799: icm_dreq_skipped: local_id=2414674309 remote_id=3428605189 state=DREQ_RCVD lap_state=LAP_UNINIT
  kworker/u128:5-121941  [046] d... 23608.654804: icm_send_drep: local_id=2414674309 remote_id=3428605189 state=TIMEWAIT lap_state=LAP_UNINIT
  kworker/u128:2-113963  [046] d... 23608.660459: icm_dreq_skipped: local_id=1777074565 remote_id=777215237 state=DREQ_RCVD lap_state=LAP_UNINIT
  kworker/u128:2-113963  [046] d... 23608.660466: icm_send_drep: local_id=1777074565 remote_id=777215237 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:15-122068  [012] d... 23608.680695: icm_dreq_skipped: local_id=2314011013 remote_id=3462159621 state=DREQ_RCVD lap_state=LAP_UNINIT
 kworker/u128:15-122068  [012] d... 23608.680705: icm_send_drep: local_id=2314011013 remote_id=3462159621 state=TIMEWAIT lap_state=LAP_UNINIT
  kworker/u128:0-116409  [047] d... 23608.705597: icm_dreq_skipped: local_id=2532114821 remote_id=592665861 state=DREQ_RCVD lap_state=LAP_UNINIT
  kworker/u128:0-116409  [047] d... 23608.705608: icm_send_drep: local_id=2532114821 remote_id=592665861 state=TIMEWAIT lap_state=LAP_UNINIT
  kworker/u128:2-113963  [046] d... 23608.707966: icm_dreq_skipped: local_id=2397897093 remote_id=3411827973 state=DREQ_RCVD lap_state=LAP_UNINIT
  kworker/u128:2-113963  [046] d... 23608.707974: icm_send_drep: local_id=2397897093 remote_id=3411827973 state=TIMEWAIT lap_state=LAP_UNINIT
  kworker/u128:6-121948  [046] d... 23608.737945: icm_dreq_skipped: local_id=2297233797 remote_id=3445382405 state=DREQ_RCVD lap_state=LAP_UNINIT
  kworker/u128:6-121948  [046] d... 23608.737958: icm_send_drep: local_id=2297233797 remote_id=3445382405 state=TIMEWAIT lap_state=LAP_UNINIT
  kworker/u128:0-116409  [014] d... 23608.748764: icm_dreq_skipped: local_id=1726742917 remote_id=2580540472 state=DREQ_RCVD lap_state=LAP_UNINIT
  kworker/u128:0-116409  [014] d... 23608.748775: icm_send_drep: local_id=1726742917 remote_id=2580540472 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:23-122126  [012] d... 23608.768828: icm_dreq_skipped: local_id=2515337605 remote_id=575888645 state=DREQ_RCVD lap_state=LAP_UNINIT
 kworker/u128:23-122126  [012] d... 23608.768840: icm_send_drep: local_id=2515337605 remote_id=575888645 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:13-122045  [015] d... 23608.777141: icm_dreq_skipped: local_id=2364342661 remote_id=3378273541 state=DREQ_RCVD lap_state=LAP_UNINIT
 kworker/u128:13-122045  [015] d... 23608.777151: icm_send_drep: local_id=2364342661 remote_id=3378273541 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:14-122060  [047] d... 23608.802853: icm_dreq_skipped: local_id=2213347717 remote_id=3361496325 state=DREQ_RCVD lap_state=LAP_UNINIT
 kworker/u128:14-122060  [047] d... 23608.802864: icm_send_drep: local_id=2213347717 remote_id=3361496325 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:18-122102  [046] d... 23608.816557: icm_dreq_skipped: local_id=3790340485 remote_id=3469732920 state=DREQ_RCVD lap_state=LAP_UNINIT
 kworker/u128:18-122102  [046] d... 23608.816568: icm_send_drep: local_id=3790340485 remote_id=3469732920 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:61-122438  [046] d... 23608.820516: icm_dreq_skipped: local_id=2431451525 remote_id=626220293 state=DREQ_RCVD lap_state=LAP_UNINIT
 kworker/u128:61-122438  [046] d... 23608.820524: icm_send_drep: local_id=2431451525 remote_id=626220293 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:25-122137  [014] d... 23608.829128: icm_dreq_skipped: local_id=2179793285 remote_id=911432965 state=DREQ_RCVD lap_state=LAP_UNINIT
 kworker/u128:25-122137  [014] d... 23608.829138: icm_send_drep: local_id=2179793285 remote_id=911432965 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:61-122438  [044] d... 23608.856065: icm_dreq_skipped: local_id=2381119877 remote_id=3395050757 state=DREQ_RCVD lap_state=LAP_UNINIT
 kworker/u128:61-122438  [044] d... 23608.856078: icm_send_drep: local_id=2381119877 remote_id=3395050757 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:20-122111  [045] d... 23608.857049: icm_dreq_skipped: local_id=4008444293 remote_id=3385846840 state=DREQ_RCVD lap_state=LAP_UNINIT
 kworker/u128:20-122111  [045] d... 23608.857058: icm_send_drep: local_id=4008444293 remote_id=3385846840 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:23-122126  [003] d... 23608.881814: icm_send_dreq: local_id=2196570501 remote_id=928210181 state=ESTABLISHED lap_state=LAP_UNINIT
 kworker/u128:23-122126  [003] d... 23608.882942: icm_send_drep: local_id=2196570501 remote_id=928210181 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:22-122121  [044] d... 23608.900894: icm_dreq_skipped: local_id=2548892037 remote_id=609443077 state=DREQ_RCVD lap_state=LAP_UNINIT
 kworker/u128:22-122121  [044] d... 23608.900904: icm_send_drep: local_id=2548892037 remote_id=609443077 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:24-122130  [047] d... 23608.908683: icm_dreq_skipped: local_id=3001876869 remote_id=3344719109 state=DREQ_RCVD lap_state=LAP_UNINIT
 kworker/u128:24-122130  [047] d... 23608.908692: icm_send_drep: local_id=3001876869 remote_id=3344719109 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:58-122230  [047] d... 23608.911400: icm_dreq_skipped: local_id=1693188485 remote_id=2681203768 state=DREQ_RCVD lap_state=LAP_UNINIT
 kworker/u128:58-122230  [047] d... 23608.911405: icm_send_drep: local_id=1693188485 remote_id=2681203768 state=TIMEWAIT lap_state=LAP_UNINIT
  kworker/u128:8-121979  [012] d... 23608.928754: icm_dreq_skipped: local_id=2599223685 remote_id=1062427909 state=DREQ_RCVD lap_state=LAP_UNINIT
  kworker/u128:8-121979  [012] d... 23608.928764: icm_send_drep: local_id=2599223685 remote_id=1062427909 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:32-122150  [015] d... 23608.935634: icm_dreq_skipped: local_id=2985099653 remote_id=3327941893 state=DREQ_RCVD lap_state=LAP_UNINIT
 kworker/u128:32-122150  [015] d... 23608.935661: icm_send_drep: local_id=2985099653 remote_id=3327941893 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:16-122088  [051] d... 23608.949041: icm_dreq_skipped: local_id=2230124933 remote_id=827546885 state=DREQ_RCVD lap_state=LAP_UNINIT
 kworker/u128:16-122088  [051] d... 23608.949054: icm_send_drep: local_id=2230124933 remote_id=827546885 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:19-122104  [034] d... 23608.949074: icm_dreq_skipped: local_id=2313945477 remote_id=1158966967 state=DREQ_RCVD lap_state=LAP_UNINIT
 kworker/u128:19-122104  [034] d... 23608.949079: icm_send_drep: local_id=2313945477 remote_id=1158966967 state=TIMEWAIT lap_state=LAP_UNINIT
  kworker/u128:8-121979  [044] d... 23608.964751: icm_dreq_skipped: local_id=3018654085 remote_id=3629931781 state=DREQ_RCVD lap_state=LAP_UNINIT
  kworker/u128:8-121979  [044] d... 23608.964766: icm_send_drep: local_id=3018654085 remote_id=3629931781 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:42-122175  [046] d... 23608.988189: icm_dreq_skipped: local_id=3169649029 remote_id=3646708997 state=DREQ_RCVD lap_state=LAP_UNINIT
 kworker/u128:42-122175  [046] d... 23608.988201: icm_send_drep: local_id=3169649029 remote_id=3646708997 state=TIMEWAIT lap_state=LAP_UNINIT
  kworker/u128:5-121941  [015] d... 23609.028852: icm_dreq_skipped: local_id=2683109765 remote_id=1012096261 state=DREQ_RCVD lap_state=LAP_UNINIT
  kworker/u128:5-121941  [015] d... 23609.028866: icm_send_drep: local_id=2683109765 remote_id=1012096261 state=TIMEWAIT lap_state=LAP_UNINIT
  kworker/u128:4-121940  [044] d... 23609.029296: icm_dreq_skipped: local_id=3958112645 remote_id=3402624056 state=DREQ_RCVD lap_state=LAP_UNINIT
  kworker/u128:4-121940  [044] d... 23609.029303: icm_send_drep: local_id=3958112645 remote_id=3402624056 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:16-122088  [015] d... 23609.029359: icm_dreq_skipped: local_id=2397831557 remote_id=1192521399 state=DREQ_RCVD lap_state=LAP_UNINIT
 kworker/u128:16-122088  [015] d... 23609.029365: icm_send_drep: local_id=2397831557 remote_id=1192521399 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:11-122034  [016] d... 23609.068779: icm_dreq_skipped: local_id=2616000901 remote_id=810769669 state=DREQ_RCVD lap_state=LAP_UNINIT
 kworker/u128:11-122034  [016] d... 23609.068785: icm_send_drep: local_id=2616000901 remote_id=810769669 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:15-122068  [044] d... 23609.077081: icm_dreq_skipped: local_id=2582446469 remote_id=1045650693 state=DREQ_RCVD lap_state=LAP_UNINIT
 kworker/u128:15-122068  [044] d... 23609.077093: icm_send_drep: local_id=2582446469 remote_id=1045650693 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:50-122205  [047] d... 23609.096940: icm_dreq_skipped: local_id=2129396101 remote_id=3788500024 state=DREQ_RCVD lap_state=LAP_UNINIT
 kworker/u128:50-122205  [047] d... 23609.096952: icm_send_drep: local_id=2129396101 remote_id=3788500024 state=TIMEWAIT lap_state=LAP_UNINIT
  kworker/u128:5-121941  [012] d... 23609.097001: icm_dreq_skipped: local_id=2414608773 remote_id=1175744183 state=DREQ_RCVD lap_state=LAP_UNINIT
  kworker/u128:5-121941  [012] d... 23609.097011: icm_send_drep: local_id=2414608773 remote_id=1175744183 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:22-122121  [046] d... 23609.097352: icm_dreq_skipped: local_id=602669445 remote_id=4056935480 state=DREQ_RCVD lap_state=LAP_UNINIT
 kworker/u128:22-122121  [046] d... 23609.097359: icm_send_drep: local_id=602669445 remote_id=4056935480 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:11-122034  [014] d... 23609.145186: icm_dreq_skipped: local_id=3001811333 remote_id=2014604983 state=DREQ_RCVD lap_state=LAP_UNINIT
 kworker/u128:11-122034  [014] d... 23609.145198: icm_send_drep: local_id=3001811333 remote_id=2014604983 state=TIMEWAIT lap_state=LAP_UNINIT
  kworker/u128:2-113963  [046] d... 23609.160894: icm_dreq_skipped: local_id=2666332549 remote_id=995319045 state=DREQ_RCVD lap_state=LAP_UNINIT
  kworker/u128:2-113963  [046] d... 23609.160904: icm_send_drep: local_id=2666332549 remote_id=995319045 state=TIMEWAIT lap_state=LAP_UNINIT
  kworker/u128:7-121978  [046] d... 23609.185341: icm_dreq_skipped: local_id=787218821 remote_id=4073712696 state=DREQ_RCVD lap_state=LAP_UNINIT
  kworker/u128:7-121978  [046] d... 23609.185352: icm_send_drep: local_id=787218821 remote_id=4073712696 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:10-122019  [044] d... 23609.213033: icm_dreq_skipped: local_id=3203137925 remote_id=2115268279 state=DREQ_RCVD lap_state=LAP_UNINIT
 kworker/u128:10-122019  [044] d... 23609.213047: icm_send_drep: local_id=3203137925 remote_id=2115268279 state=TIMEWAIT lap_state=LAP_UNINIT
  kworker/u128:6-121948  [012] d... 23609.219036: icm_dreq_skipped: local_id=2565669253 remote_id=1028873477 state=DREQ_RCVD lap_state=LAP_UNINIT
  kworker/u128:6-121948  [012] d... 23609.219045: icm_send_drep: local_id=2565669253 remote_id=1028873477 state=TIMEWAIT lap_state=LAP_UNINIT
  kworker/u128:2-113963  [011] d... 23609.244166: icm_dreq_skipped: local_id=367788421 remote_id=3318737976 state=DREQ_RCVD lap_state=LAP_UNINIT
  kworker/u128:2-113963  [011] d... 23609.244175: icm_send_drep: local_id=367788421 remote_id=3318737976 state=TIMEWAIT lap_state=LAP_UNINIT
  kworker/u128:0-116409  [045] d... 23609.257881: icm_dreq_skipped: local_id=1709965701 remote_id=2664426552 state=DREQ_RCVD lap_state=LAP_UNINIT
  kworker/u128:0-116409  [045] d... 23609.257897: icm_send_drep: local_id=1709965701 remote_id=2664426552 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:15-122068  [044] d... 23609.265099: icm_dreq_skipped: local_id=2062287237 remote_id=2647649336 state=DREQ_RCVD lap_state=LAP_UNINIT
 kworker/u128:15-122068  [044] d... 23609.265108: icm_send_drep: local_id=2062287237 remote_id=2647649336 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:27-69107   [012] d... 23609.280770: icm_dreq_skipped: local_id=2985034117 remote_id=2031382199 state=DREQ_RCVD lap_state=LAP_UNINIT
 kworker/u128:27-69107   [012] d... 23609.280782: icm_send_drep: local_id=2985034117 remote_id=2031382199 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:13-122045  [046] d... 23609.295281: icm_dreq_skipped: local_id=2632778117 remote_id=961764613 state=DREQ_RCVD lap_state=LAP_UNINIT
  kworker/u128:6-121948  [045] d... 23609.295294: icm_dreq_skipped: local_id=1659634053 remote_id=2513431608 state=DREQ_RCVD lap_state=LAP_UNINIT
 kworker/u128:13-122045  [046] d... 23609.295294: icm_send_drep: local_id=2632778117 remote_id=961764613 state=TIMEWAIT lap_state=LAP_UNINIT
  kworker/u128:6-121948  [045] d... 23609.295300: icm_send_drep: local_id=1659634053 remote_id=2513431608 state=TIMEWAIT lap_state=LAP_UNINIT
  kworker/u128:1-64396   [044] d... 23609.326500: icm_dreq_skipped: local_id=401342853 remote_id=3301960760 state=DREQ_RCVD lap_state=LAP_UNINIT
  kworker/u128:1-64396   [044] d... 23609.326510: icm_send_drep: local_id=401342853 remote_id=3301960760 state=TIMEWAIT lap_state=LAP_UNINIT
 kworker/u128:41-122174  [047] d... 23609.329529: icm_dreq_skipped: local_id=2699821445 remote_id=2081713847 state=DREQ_RCVD lap_state=LAP_UNINIT
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    kworker/18:2-121787  [018] d... 23618.679359: icm_send_rtu: local_id=3219980677 remote_id=3713817861 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/18:2-121787  [018] d... 23619.009160: icm_send_rtu: local_id=3119317381 remote_id=3747372293 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/16:0-65773   [016] d... 23619.189366: icm_send_rtu: local_id=2766995845 remote_id=3529268485 state=MRA_REP_SENT lap_state=LAP_UNINIT
    kworker/16:0-65773   [016] d... 23619.190800: icm_send_rtu: local_id=3152871813 remote_id=3512491269 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/17:0-65914   [017] d... 23619.198501: icm_send_rtu: local_id=2783773061 remote_id=3546045701 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/16:0-65773   [016] d... 23619.208380: icm_send_rtu: local_id=2800550277 remote_id=3562822917 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/51:1-122242  [051] d... 23619.218786: icm_send_rtu: local_id=2817327493 remote_id=3579600133 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/51:1-122242  [051] d... 23619.228504: icm_send_rtu: local_id=2699886981 remote_id=3596377349 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/51:1-122242  [051] d... 23619.238339: icm_send_rtu: local_id=2716664197 remote_id=3613154565 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/51:1-122242  [051] d... 23619.248253: icm_send_rtu: local_id=2733441413 remote_id=3898367237 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/51:1-122242  [051] d... 23619.258952: icm_send_rtu: local_id=2901213573 remote_id=3931921669 state=MRA_REP_SENT lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23619.259481: icm_send_rtu: local_id=2750218629 remote_id=3915144453 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/51:1-122242  [051] d... 23619.428282: icm_send_rtu: local_id=2917990789 remote_id=3948698885 state=MRA_REP_SENT lap_state=LAP_UNINIT
  kworker/u128:3-125957  [015] .... 23619.570405: icm_send_req: local_id=2934768005 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23619.587997: icm_send_rtu: local_id=2934768005 remote_id=3965476101 state=MRA_REP_SENT lap_state=LAP_UNINIT
  kworker/u128:8-121979  [044] .... 23619.730146: icm_send_req: local_id=2951545221 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/16:0-65773   [016] d... 23619.748187: icm_send_rtu: local_id=2951545221 remote_id=3982253317 state=MRA_REP_SENT lap_state=LAP_UNINIT
  kworker/u128:9-125958  [047] .... 23619.890038: icm_send_req: local_id=2834104709 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/17:0-65914   [017] d... 23619.907177: icm_send_rtu: local_id=2834104709 remote_id=3999030533 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:44-122177  [035] .... 23620.049816: icm_send_req: local_id=2850881925 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23620.067253: icm_send_rtu: local_id=2850881925 remote_id=4015807749 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:60-122232  [012] .... 23620.209074: icm_send_req: local_id=2867659141 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23620.226952: icm_send_rtu: local_id=2867659141 remote_id=3764149509 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:60-122232  [034] .... 23620.367860: icm_send_req: local_id=2884436357 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23620.386527: icm_send_rtu: local_id=2884436357 remote_id=3780926725 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:27-69107   [014] .... 23620.526684: icm_send_req: local_id=3572302213 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23620.536244: icm_send_rtu: local_id=3572302213 remote_id=3797703941 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:31-125993  [044] .... 23620.685538: icm_send_req: local_id=3589079429 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23620.696412: icm_send_rtu: local_id=3589079429 remote_id=3814481157 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:40-126105  [023] .... 23620.846616: icm_send_req: local_id=3605856645 remote_id=0 state=IDLE lap_state=LAP_UNINIT
 kworker/u128:26-125974  [033] .... 23620.855285: icm_send_req: local_id=3622633861 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/16:0-65773   [016] d... 23620.856176: icm_send_rtu: local_id=3605856645 remote_id=3831258373 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/51:1-122242  [051] d... 23620.872230: icm_send_rtu: local_id=3622633861 remote_id=2546986040 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:40-126105  [033] .... 23620.872568: icm_send_req: local_id=3521970565 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23620.875545: icm_send_rtu: local_id=3505193349 remote_id=3848035589 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/51:1-122242  [051] d... 23620.885435: icm_send_rtu: local_id=3521970565 remote_id=3864812805 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/51:1-122242  [051] d... 23620.895621: icm_send_rtu: local_id=3538747781 remote_id=3881590021 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:40-126105  [003] .... 23620.898529: icm_send_req: local_id=3706519941 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23620.905675: icm_send_rtu: local_id=3555524997 remote_id=4166802693 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/51:1-122242  [051] d... 23620.921550: icm_send_rtu: local_id=3706519941 remote_id=2530208824 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/51:1-122242  [051] d... 23620.925481: icm_send_rtu: local_id=3723297157 remote_id=4183579909 state=MRA_REP_SENT lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23620.930331: icm_send_rtu: local_id=3740074373 remote_id=2446322744 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/51:1-122242  [051] d... 23620.935346: icm_send_rtu: local_id=3756851589 remote_id=4200357125 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/51:1-122242  [051] d... 23620.945460: icm_send_rtu: local_id=3639411077 remote_id=4217134341 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/51:1-122242  [051] d... 23620.955752: icm_send_rtu: local_id=3656188293 remote_id=4233911557 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/16:0-65773   [016] d... 23620.965503: icm_send_rtu: local_id=3672965509 remote_id=4250688773 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/17:0-65914   [017] d... 23620.980855: icm_send_rtu: local_id=3689742725 remote_id=2429545528 state=MRA_REP_SENT lap_state=LAP_UNINIT
    kworker/48:0-72445   [048] d... 23620.985563: icm_send_rtu: local_id=3303866757 remote_id=4267465989 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/14:0-125734  [014] d... 23621.253824: icm_send_rtu: local_id=4226613637 remote_id=3205983927 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/15:1-124950  [015] d... 23621.420375: icm_send_rtu: local_id=3840737669 remote_id=2211441720 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/44:3-54477   [044] d... 23622.064417: icm_send_rtu: local_id=3773628805 remote_id=4082916613 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/18:2-121787  [018] d... 23622.712783: icm_send_rtu: local_id=3991732613 remote_id=3189206711 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/17:0-65914   [017] d... 23622.820486: icm_send_rtu: local_id=317522309 remote_id=3117411384 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/51:1-122242  [051] d... 23623.140356: icm_send_rtu: local_id=485294469 remote_id=4150025477 state=MRA_REP_SENT lap_state=LAP_UNINIT
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  kworker/u128:6-121948  [012] d... 23624.304605: icm_send_dreq: local_id=4109173125 remote_id=2216128183 state=ESTABLISHED lap_state=LAP_UNINIT
  kworker/u128:0-116409  [046] d... 23624.304623: icm_send_dreq: local_id=3287089541 remote_id=2165796535 state=ESTABLISHED lap_state=LAP_UNINIT
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  kworker/u128:1-64396   [032] d... 23624.308826: icm_send_dreq: local_id=3488416133 remote_id=2149019319 state=ESTABLISHED lap_state=LAP_UNINIT
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  kworker/u128:2-113963  [044] d... 23624.309297: icm_send_dreq: local_id=4159504773 remote_id=2295327800 state=ESTABLISHED lap_state=LAP_UNINIT
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           <...>-125996  [044] d... 23624.309361: icm_send_dreq: local_id=4176281989 remote_id=2261773368 state=ESTABLISHED lap_state=LAP_UNINIT
 kworker/u128:22-122121  [014] d... 23624.309427: icm_send_dreq: local_id=4260168069 remote_id=2244996152 state=ESTABLISHED lap_state=LAP_UNINIT
  kworker/u128:7-121978  [012] d... 23624.309460: icm_send_dreq: local_id=4042064261 remote_id=3122097847 state=ESTABLISHED lap_state=LAP_UNINIT
  kworker/u128:5-121941  [047] d... 23624.317717: icm_send_dreq: local_id=3370975621 remote_id=2395991096 state=ESTABLISHED lap_state=LAP_UNINIT
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    kworker/16:0-65773   [016] d... 23624.604361: icm_send_rtu: local_id=99418501 remote_id=2853662391 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/17:0-65914   [017] d... 23624.768759: icm_send_rtu: local_id=116195717 remote_id=2836885175 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/16:0-65773   [016] d... 23624.927541: icm_send_rtu: local_id=132972933 remote_id=2820107959 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/17:0-65914   [017] d... 23625.084843: icm_send_rtu: local_id=15532421 remote_id=3050302520 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/16:0-65773   [016] d... 23625.246681: icm_send_rtu: local_id=32309637 remote_id=2937548471 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/17:0-65914   [017] d... 23625.404187: icm_send_rtu: local_id=49086853 remote_id=3033525304 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/16:0-65773   [016] d... 23625.566465: icm_send_rtu: local_id=65864069 remote_id=2920771255 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/17:0-65914   [017] d... 23625.727705: icm_send_rtu: local_id=216859013 remote_id=2903994039 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/16:0-65773   [016] .... 23625.886049: icm_remote_no_priv_err: remote_id=233636229
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    kworker/16:0-65773   [016] d... 23626.055632: icm_send_rtu: local_id=250413445 remote_id=2736221879 state=MRA_REP_SENT lap_state=LAP_UNINIT
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           <...>-126114  [057] d... 23626.096356: icm_send_dreq: local_id=283967877 remote_id=3054988983 state=ESTABLISHED lap_state=LAP_UNINIT
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    kworker/17:0-65914   [017] .... 23630.042748: icm_remote_no_priv_err: remote_id=233636229
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 kworker/u128:56-126116  [046] d... 23633.508267: icm_send_dreq: local_id=3790406021 remote_id=2194664504 state=ESTABLISHED lap_state=LAP_UNINIT

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  kworker/u128:9-125958  [044] .... 23634.525398: icm_send_req: local_id=166527365 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/18:2-121787  [018] d... 23634.532585: icm_send_rtu: local_id=149750149 remote_id=3067079736 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/17:0-65914   [017] d... 23634.541764: icm_send_rtu: local_id=166527365 remote_id=2983193656 state=MRA_REP_SENT lap_state=LAP_UNINIT
  kworker/u128:9-125958  [012] .... 23634.542842: icm_send_req: local_id=200081797 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/48:0-72445   [048] d... 23634.551396: icm_send_rtu: local_id=183304581 remote_id=2966416440 state=MRA_REP_SENT lap_state=LAP_UNINIT
  kworker/u128:2-113963  [032] .... 23634.551610: icm_send_req: local_id=887947653 remote_id=0 state=IDLE lap_state=LAP_UNINIT
  kworker/u128:9-125958  [014] .... 23634.560364: icm_send_req: local_id=904724869 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/18:2-121787  [018] d... 23634.566070: icm_send_rtu: local_id=200081797 remote_id=2719444663 state=MRA_REP_SENT lap_state=LAP_UNINIT
    kworker/48:0-72445   [048] .... 23634.566225: icm_remote_no_priv_err: remote_id=233636229
  kworker/u128:2-113963  [012] .... 23634.569041: icm_send_req: local_id=921502085 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/48:0-72445   [048] d... 23634.575605: icm_send_rtu: local_id=887947653 remote_id=2702667447 state=MRA_REP_SENT lap_state=LAP_UNINIT
  kworker/u128:9-125958  [014] .... 23634.577686: icm_send_req: local_id=938279301 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/18:2-121787  [018] d... 23634.583211: icm_send_rtu: local_id=904724869 remote_id=3016748088 state=MRA_REP_SENT lap_state=LAP_UNINIT
    kworker/18:2-121787  [018] d... 23634.584369: icm_send_rtu: local_id=921502085 remote_id=2685890231 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:22-122121  [044] .... 23634.586474: icm_send_req: local_id=820838789 remote_id=0 state=IDLE lap_state=LAP_UNINIT
  kworker/u128:9-125958  [015] .... 23634.595029: icm_send_req: local_id=837616005 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/48:0-72445   [048] d... 23634.595975: icm_send_rtu: local_id=938279301 remote_id=2803330743 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:15-122068  [047] .... 23634.603660: icm_send_req: local_id=854393221 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/48:0-72445   [048] d... 23634.604470: icm_send_rtu: local_id=820838789 remote_id=2786553527 state=MRA_REP_SENT lap_state=LAP_UNINIT
  kworker/u128:9-125958  [015] .... 23634.612402: icm_send_req: local_id=871170437 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/18:2-121787  [018] d... 23634.613859: icm_send_rtu: local_id=837616005 remote_id=2769776311 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:15-122068  [032] .... 23634.620972: icm_send_req: local_id=1022165381 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/48:0-72445   [048] d... 23634.621908: icm_send_rtu: local_id=854393221 remote_id=2999970872 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:22-122121  [047] .... 23634.629635: icm_send_req: local_id=1038942597 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/48:0-72445   [048] d... 23634.631446: icm_send_rtu: local_id=871170437 remote_id=2916084792 state=MRA_REP_SENT lap_state=LAP_UNINIT
  kworker/u128:9-125958  [032] .... 23634.638191: icm_send_req: local_id=1055719813 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/18:2-121787  [018] d... 23634.641357: icm_send_rtu: local_id=1022165381 remote_id=2899307576 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:22-122121  [047] .... 23634.646884: icm_send_req: local_id=1072497029 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/49:2-70618   [049] d... 23634.651955: icm_send_rtu: local_id=1038942597 remote_id=2949639224 state=MRA_REP_SENT lap_state=LAP_UNINIT
    kworker/49:2-70618   [049] d... 23634.654173: icm_send_rtu: local_id=1055719813 remote_id=2752999095 state=MRA_REP_SENT lap_state=LAP_UNINIT
  kworker/u128:9-125958  [032] .... 23634.655472: icm_send_req: local_id=955056517 remote_id=0 state=IDLE lap_state=LAP_UNINIT
 kworker/u128:22-122121  [047] .... 23634.664102: icm_send_req: local_id=971833733 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/49:2-70618   [049] d... 23634.664428: icm_send_rtu: local_id=1072497029 remote_id=3675745975 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:15-122068  [015] .... 23634.672641: icm_send_req: local_id=988610949 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23634.674459: icm_send_rtu: local_id=955056517 remote_id=3658968759 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:22-122121  [047] .... 23634.681296: icm_send_req: local_id=1005388165 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23634.681532: icm_send_rtu: local_id=971833733 remote_id=2932862008 state=MRA_REP_SENT lap_state=LAP_UNINIT
  kworker/u128:9-125958  [032] .... 23634.689983: icm_send_req: local_id=619512197 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23634.693723: icm_send_rtu: local_id=988610949 remote_id=3642191543 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:22-122121  [015] .... 23634.698610: icm_send_req: local_id=636289413 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23634.701252: icm_send_rtu: local_id=1005388165 remote_id=2848975928 state=MRA_REP_SENT lap_state=LAP_UNINIT
  kworker/u128:9-125958  [012] .... 23634.707114: icm_send_req: local_id=653066629 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23634.712216: icm_send_rtu: local_id=619512197 remote_id=2832198712 state=MRA_REP_SENT lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23634.712588: icm_send_rtu: local_id=636289413 remote_id=2882530360 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:22-122121  [047] .... 23634.715681: icm_send_req: local_id=669843845 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23634.721732: icm_send_rtu: local_id=653066629 remote_id=2865753144 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/51:1-122242  [051] d... 23634.731249: icm_send_rtu: local_id=669843845 remote_id=2781867064 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/51:1-122242  [051] d... 23634.744011: icm_send_rtu: local_id=552403333 remote_id=3625414327 state=MRA_REP_SENT lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23634.753899: icm_send_rtu: local_id=569180549 remote_id=3742854839 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/51:1-122242  [051] d... 23634.911267: icm_send_rtu: local_id=585957765 remote_id=2765089848 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/51:1-122242  [051] d... 23635.070850: icm_send_rtu: local_id=602734981 remote_id=2815421496 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/51:1-122242  [051] d... 23635.221127: icm_send_rtu: local_id=753729925 remote_id=2798644280 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/51:1-122242  [051] d... 23635.383504: icm_send_rtu: local_id=770507141 remote_id=3726077623 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/51:1-122242  [051] d... 23635.553551: icm_send_rtu: local_id=787284357 remote_id=3709300407 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/51:1-122242  [051] d... 23635.710300: icm_send_rtu: local_id=804061573 remote_id=2714758200 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/51:1-122242  [051] d... 23635.863273: icm_send_rtu: local_id=686621061 remote_id=3692523191 state=MRA_REP_SENT lap_state=LAP_UNINIT
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    kworker/51:1-122242  [051] d... 23636.022664: icm_send_rtu: local_id=703398277 remote_id=3541528247 state=MRA_REP_SENT lap_state=LAP_UNINIT
  kworker/u128:9-125958  [047] .... 23636.166839: icm_send_req: local_id=720175493 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23636.182509: icm_send_rtu: local_id=720175493 remote_id=3524751031 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:53-126113  [047] d... 23636.300373: icm_send_dreq: local_id=15532421 remote_id=3050302520 state=ESTABLISHED lap_state=LAP_UNINIT
 kworker/u128:15-122068  [047] .... 23636.327456: icm_send_req: local_id=736952709 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23636.342858: icm_send_rtu: local_id=736952709 remote_id=3507973815 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:53-126113  [044] d... 23636.456264: icm_send_dreq: local_id=3907846533 remote_id=3167743032 state=ESTABLISHED lap_state=LAP_UNINIT
 kworker/u128:47-126109  [015] .... 23636.492580: icm_send_req: local_id=1424818565 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23636.509187: icm_send_rtu: local_id=1424818565 remote_id=2697980984 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:55-126115  [012] d... 23636.556350: icm_send_dreq: local_id=49086853 remote_id=3033525304 state=ESTABLISHED lap_state=LAP_UNINIT
 kworker/u128:47-126109  [012] .... 23636.659658: icm_send_req: local_id=1441595781 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/48:0-72445   [048] d... 23636.678845: icm_send_rtu: local_id=1441595781 remote_id=2748312632 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:55-126115  [012] d... 23636.708273: icm_send_dreq: local_id=3941400965 remote_id=3218074680 state=ESTABLISHED lap_state=LAP_UNINIT
 kworker/u128:58-122230  [047] .... 23636.820713: icm_send_req: local_id=1458372997 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/49:2-70618   [049] d... 23636.839251: icm_send_rtu: local_id=1458372997 remote_id=2731535416 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:45-126107  [047] .... 23636.979265: icm_send_req: local_id=1475150213 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/16:0-65773   [016] d... 23637.002377: icm_send_rtu: local_id=1475150213 remote_id=3491196599 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:47-126109  [044] .... 23637.138081: icm_send_req: local_id=1357709701 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/17:0-65914   [017] d... 23637.158534: icm_send_rtu: local_id=1357709701 remote_id=1573907512 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:47-126109  [014] .... 23637.298713: icm_send_req: local_id=1374486917 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/16:0-65773   [016] d... 23637.321139: icm_send_rtu: local_id=1374486917 remote_id=3608637111 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:44-122177  [044] .... 23637.458889: icm_send_req: local_id=1391264133 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/17:0-65914   [017] d... 23637.480720: icm_send_rtu: local_id=1391264133 remote_id=3591859895 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:45-126107  [044] .... 23637.618444: icm_send_req: local_id=1408041349 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/16:0-65773   [016] d... 23637.637782: icm_send_rtu: local_id=1408041349 remote_id=1557130296 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:33-69127   [047] .... 23637.777313: icm_send_req: local_id=1559036293 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/17:0-65914   [017] d... 23637.800944: icm_send_rtu: local_id=1559036293 remote_id=3575082679 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:60-122232  [047] d... 23637.856527: icm_send_dreq: local_id=619512197 remote_id=2832198712 state=ESTABLISHED lap_state=LAP_UNINIT
  kworker/u128:7-121978  [043] d... 23637.856532: icm_send_dreq: local_id=653066629 remote_id=2865753144 state=ESTABLISHED lap_state=LAP_UNINIT
 kworker/u128:52-122221  [013] d... 23637.856534: icm_send_dreq: local_id=669843845 remote_id=2781867064 state=ESTABLISHED lap_state=LAP_UNINIT
 kworker/u128:31-125993  [008] d... 23637.856549: icm_send_dreq: local_id=636289413 remote_id=2882530360 state=ESTABLISHED lap_state=LAP_UNINIT
 kworker/u128:39-126104  [009] d... 23637.856608: icm_send_dreq: local_id=569180549 remote_id=3742854839 state=ESTABLISHED lap_state=LAP_UNINIT
 kworker/u128:32-122150  [046] d... 23637.864434: icm_send_dreq: local_id=552403333 remote_id=3625414327 state=ESTABLISHED lap_state=LAP_UNINIT
 kworker/u128:32-122150  [014] .... 23637.939046: icm_send_req: local_id=1575813509 remote_id=0 state=IDLE lap_state=LAP_UNINIT
 kworker/u128:38-125998  [015] d... 23637.939063: icm_send_rej: local_id=1575813509 remote_id=0 state=IDLE reason=REJ_TIMEOUT
 kworker/u128:32-122150  [014] .... 23637.947769: icm_send_req: local_id=1592590725 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] .... 23637.956580: icm_remote_no_priv_err: remote_id=1575813509
 kworker/u128:11-122034  [047] .... 23637.956599: icm_send_req: local_id=1609367941 remote_id=0 state=IDLE lap_state=LAP_UNINIT
 kworker/u128:32-122150  [015] .... 23637.965443: icm_send_req: local_id=1491927429 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23637.970665: icm_send_rtu: local_id=1592590725 remote_id=3558305463 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:11-122034  [044] .... 23637.974228: icm_send_req: local_id=1508704645 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23637.977082: icm_send_rtu: local_id=1609367941 remote_id=1590684728 state=MRA_REP_SENT lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23637.979797: icm_send_rtu: local_id=1491927429 remote_id=3407310519 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:11-122034  [044] .... 23637.983267: icm_send_req: local_id=1525481861 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23637.989496: icm_send_rtu: local_id=1508704645 remote_id=3390533303 state=MRA_REP_SENT lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23637.997119: icm_send_rtu: local_id=1525481861 remote_id=1506798648 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:38-125998  [014] d... 23638.088347: icm_send_dreq: local_id=1005388165 remote_id=2848975928 state=ESTABLISHED lap_state=LAP_UNINIT
 kworker/u128:38-125998  [015] .... 23638.145120: icm_send_req: local_id=1542259077 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23638.159795: icm_send_rtu: local_id=1542259077 remote_id=3373756087 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:32-122150  [046] .... 23638.302860: icm_send_req: local_id=1156383109 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23638.316861: icm_send_rtu: local_id=1156383109 remote_id=1490021432 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:11-122034  [047] .... 23638.461570: icm_send_req: local_id=1173160325 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23638.479098: icm_send_rtu: local_id=1173160325 remote_id=3356978871 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:32-122150  [044] .... 23638.619888: icm_send_req: local_id=1189937541 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/17:0-65914   [017] d... 23638.638598: icm_send_rtu: local_id=1189937541 remote_id=3474419383 state=MRA_REP_SENT lap_state=LAP_UNINIT
    kworker/18:2-121787  [018] .... 23638.664008: icm_remote_no_priv_err: remote_id=233636229
 kworker/u128:32-122150  [044] .... 23638.778801: icm_send_req: local_id=1206714757 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/16:0-65773   [016] d... 23638.796395: icm_send_rtu: local_id=1206714757 remote_id=1540353080 state=MRA_REP_SENT lap_state=LAP_UNINIT



 kworker/u128:11-122034  [047] .... 23641.944849: icm_send_req: local_id=1089274245 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/18:2-121787  [018] d... 23641.962815: icm_send_rtu: local_id=1089274245 remote_id=1523575864 state=MRA_REP_SENT lap_state=LAP_UNINIT
    kworker/49:2-70618   [049] .... 23642.057029: icm_remote_no_priv_err: remote_id=1575813509
 kworker/u128:11-122034  [033] .... 23642.121506: icm_send_req: local_id=1106051461 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/49:2-70618   [049] d... 23642.142512: icm_send_rtu: local_id=1106051461 remote_id=1439689784 state=MRA_REP_SENT lap_state=LAP_UNINIT
    kworker/49:2-70618   [049] .... 23642.778159: icm_remote_no_priv_err: remote_id=233636229
 kworker/u128:37-125997  [022] .... 23643.732983: icm_send_req: local_id=1122828677 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/49:2-70618   [049] d... 23643.749831: icm_send_rtu: local_id=1122828677 remote_id=1422912568 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:37-125997  [022] .... 23643.919642: icm_send_req: local_id=1139605893 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/18:2-121787  [018] d... 23643.939087: icm_send_rtu: local_id=1139605893 remote_id=1473244216 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:11-122034  [036] .... 23645.524757: icm_send_req: local_id=1290600837 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/17:2-122183  [017] d... 23645.547494: icm_send_rtu: local_id=1290600837 remote_id=1456467000 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:11-122034  [006] .... 23645.714026: icm_send_req: local_id=1307378053 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/18:2-121787  [018] d... 23645.728903: icm_send_rtu: local_id=1307378053 remote_id=1372580920 state=MRA_REP_SENT lap_state=LAP_UNINIT
    kworker/17:2-122183  [017] .... 23646.161156: icm_remote_no_priv_err: remote_id=1575813509
 kworker/u128:11-122034  [052] .... 23646.552716: icm_send_req: local_id=1324155269 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/17:2-122183  [017] d... 23646.566870: icm_send_rtu: local_id=1324155269 remote_id=1355803704 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:37-125997  [037] .... 23646.726417: icm_send_req: local_id=1340932485 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/17:2-122183  [017] d... 23646.746948: icm_send_rtu: local_id=1340932485 remote_id=1406135352 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:11-122034  [038] .... 23646.808823: icm_send_req: local_id=1223491973 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/18:2-121787  [018] d... 23646.825452: icm_send_rtu: local_id=1223491973 remote_id=1389358136 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:32-122150  [004] .... 23646.985897: icm_send_req: local_id=1240269189 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/18:2-121787  [018] d... 23647.005661: icm_send_rtu: local_id=1240269189 remote_id=1305472056 state=MRA_REP_SENT lap_state=LAP_UNINIT
    kworker/16:0-65773   [016] .... 23647.386386: icm_remote_no_priv_err: remote_id=233636229
 kworker/u128:39-126104  [034] .... 23648.084790: icm_send_req: local_id=1257046405 remote_id=0 state=IDLE lap_state=LAP_UNINIT
 kworker/u128:32-122150  [035] .... 23648.093683: icm_send_req: local_id=1273823621 remote_id=0 state=IDLE lap_state=LAP_UNINIT
  kworker/u128:7-121978  [032] .... 23648.102381: icm_send_req: local_id=1961689477 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/18:2-121787  [018] d... 23648.104205: icm_send_rtu: local_id=1257046405 remote_id=1288694840 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:32-122150  [009] .... 23648.111186: icm_send_req: local_id=1978466693 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/18:2-121787  [018] d... 23648.113276: icm_send_rtu: local_id=1273823621 remote_id=1339026488 state=MRA_REP_SENT lap_state=LAP_UNINIT
  kworker/u128:7-121978  [033] .... 23648.119949: icm_send_req: local_id=1995243909 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/49:2-70618   [049] d... 23648.124676: icm_send_rtu: local_id=1961689477 remote_id=1322249272 state=MRA_REP_SENT lap_state=LAP_UNINIT
    kworker/49:2-70618   [049] d... 23648.127883: icm_send_rtu: local_id=1978466693 remote_id=3457642167 state=MRA_REP_SENT lap_state=LAP_UNINIT
  kworker/u128:7-121978  [059] .... 23648.128859: icm_send_req: local_id=2012021125 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/49:2-70618   [049] d... 23648.134044: icm_send_rtu: local_id=1995243909 remote_id=1238363192 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:32-122150  [010] .... 23648.137662: icm_send_req: local_id=1894580613 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/16:0-65773   [016] d... 23648.143391: icm_send_rtu: local_id=2012021125 remote_id=1221585976 state=MRA_REP_SENT lap_state=LAP_UNINIT
    kworker/17:2-122183  [017] d... 23648.158155: icm_send_rtu: local_id=1894580613 remote_id=3440864951 state=MRA_REP_SENT lap_state=LAP_UNINIT
  kworker/u128:7-121978  [042] .... 23648.297542: icm_send_req: local_id=1911357829 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23648.313427: icm_send_rtu: local_id=1911357829 remote_id=1271917624 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:32-122150  [048] .... 23648.457445: icm_send_req: local_id=1928135045 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23648.473772: icm_send_rtu: local_id=1928135045 remote_id=1255140408 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:52-122221  [044] .... 23648.617982: icm_send_req: local_id=1944912261 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23648.633545: icm_send_rtu: local_id=1944912261 remote_id=1171254328 state=MRA_REP_SENT lap_state=LAP_UNINIT
 kworker/u128:37-125997  [048] .... 23648.778744: icm_send_req: local_id=2095907205 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23648.796205: icm_send_rtu: local_id=2095907205 remote_id=3424087735 state=MRA_REP_SENT lap_state=LAP_UNINIT
  kworker/u128:9-125958  [005] .... 23648.942333: icm_send_req: local_id=2112684421 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23648.962723: icm_send_rtu: local_id=2112684421 remote_id=1154477112 state=MRA_REP_SENT lap_state=LAP_UNINIT
  kworker/u128:9-125958  [005] .... 23649.102241: icm_send_req: local_id=2129461637 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23649.122497: icm_send_rtu: local_id=2129461637 remote_id=1204808760 state=MRA_REP_SENT lap_state=LAP_UNINIT
  kworker/u128:9-125958  [037] .... 23649.262561: icm_send_req: local_id=2146238853 remote_id=0 state=IDLE lap_state=LAP_UNINIT
 kworker/u128:54-126114  [037] .... 23649.271366: icm_send_req: local_id=2028798341 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23649.285869: icm_send_rtu: local_id=2146238853 remote_id=3273092791 state=MRA_REP_SENT lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23649.291767: icm_send_rtu: local_id=2028798341 remote_id=1188031544 state=MRA_REP_SENT lap_state=LAP_UNINIT
  kworker/u128:9-125958  [005] .... 23649.461030: icm_send_req: local_id=2045575557 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] d... 23649.482967: icm_send_rtu: local_id=2045575557 remote_id=1104145464 state=MRA_REP_SENT lap_state=LAP_UNINIT
    kworker/51:1-122242  [051] .... 23650.321358: icm_remote_no_priv_err: remote_id=1575813509
    kworker/51:1-122242  [051] .... 23651.546487: icm_remote_no_priv_err: remote_id=233636229
    kworker/51:1-122242  [051] .... 23654.481406: icm_remote_no_priv_err: remote_id=1575813509
    kworker/51:1-122242  [051] .... 23656.090590: icm_remote_no_priv_err: remote_id=233636229
    kworker/51:1-122242  [051] .... 23659.090557: icm_remote_no_priv_err: remote_id=1575813509
    kworker/51:1-122242  [051] .... 23660.698751: icm_remote_no_priv_err: remote_id=233636229
    kworker/51:1-122242  [051] .... 23663.697699: icm_remote_no_priv_err: remote_id=1575813509
    kworker/51:1-122242  [051] .... 23665.307065: icm_remote_no_priv_err: remote_id=233636229
    kworker/51:1-122242  [051] .... 23668.305873: icm_remote_no_priv_err: remote_id=1575813509
    kworker/51:1-122242  [051] .... 23669.915043: icm_remote_no_priv_err: remote_id=233636229
    kworker/51:1-122242  [051] .... 23672.914126: icm_remote_no_priv_err: remote_id=1575813509
    kworker/51:1-122242  [051] .... 23674.523190: icm_remote_no_priv_err: remote_id=233636229
    kworker/51:1-122242  [051] .... 23677.522124: icm_remote_no_priv_err: remote_id=1575813509
    kworker/51:1-122242  [051] .... 23679.131351: icm_remote_no_priv_err: remote_id=233636229
    kworker/51:1-122242  [051] .... 23682.130314: icm_remote_no_priv_err: remote_id=1575813509
    kworker/51:1-122242  [051] .... 23683.739646: icm_remote_no_priv_err: remote_id=233636229
    kworker/51:1-122242  [051] .... 23686.738606: icm_remote_no_priv_err: remote_id=1575813509
    kworker/51:1-122242  [051] .... 23688.347681: icm_remote_no_priv_err: remote_id=233636229
    kworker/51:1-122242  [051] .... 23691.347648: icm_remote_no_priv_err: remote_id=1575813509
    kworker/51:1-122242  [051] .... 23692.955792: icm_remote_no_priv_err: remote_id=233636229
    kworker/51:1-122242  [051] .... 23695.954765: icm_remote_no_priv_err: remote_id=1575813509
    kworker/16:0-65773   [016] .... 23700.562918: icm_remote_no_priv_err: remote_id=1575813509
    kworker/16:0-65773   [016] .... 23705.171103: icm_remote_no_priv_err: remote_id=1575813509


Here's a successful case (1 target)
kworker/u128:8-129977  [023] .... 24576.341336: icm_send_req: local_id=2062352773 remote_id=0 state=IDLE lap_state=LAP_UNINIT
  kworker/u128:4-129959  [032] .... 24576.350137: icm_send_req: local_id=2079129989 remote_id=0 state=IDLE lap_state=LAP_UNINIT
    kworker/18:0-129047  [018] d... 24576.366040: icm_send_rtu: local_id=2079129989 remote_id=1120922680 state=MRA_REP_SENT lap_state=LAP_UNINIT
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-----Original Message-----
From: Mark Zhang [mailto:markzhang@xxxxxxxxxx] 
Sent: Monday, January 9, 2023 12:30 AM
To: Haeuptle, Michael <michael.haeuptle@xxxxxxx>; linux-rdma@xxxxxxxxxxxxxxx
Subject: Re: rdma_create_qp_ex fails with EINVAL

On 1/7/2023 6:13 AM, Haeuptle, Michael wrote:
> External email: Use caution opening links or attachments
> 
> 
> Hello,
> 
> I'm running into an issue where rdma_create_qp_ex returns EINVAL and I was hoping that someone could help me understand what is going on here.
> 
> The function that is actually throwing the EINVAL error is the write() call in rdma_init_qp_attr (which is being called by rdma_create_qp_ex):
> ...
>      ret = write(id->channel->fd, &cmd, sizeof cmd); ...
> 
> It returns -1 and sets errno to 22.
> 
> Note, this is an intermittent error and not always reproducible.
> 
> The setup and scenario is as follows:
> - SPDK NVMF target on Debian 11.3 with top of tree rdma-core libs
> - NVMe-oF kernel initiator, Debain 11.5 (no change in rdma-core libs)
> - There is a switch between initiator and SPDK NVMF targets
> - The kernel initiator is taking to 2 SPDK NVMF targets via DM and 
> round-robin (I don't think this matters)
> - On the initiator system there is a 512k block size fio load against 
> 48 NMF subsystems (2 target apps with 24 subsystems)
> - When I kill the SPDK target and restart it, then I occasionally get 
> this EINVAL on one of the queue pairs
> 
> It's unclear to me why the write call is retuning EINVAL. The file descriptor should be valid since I see the same fd in later qpair creation requests.
> 
> Any insights are appreciated.
> 
> -- Michael

Maybe the cm is in a state that cannot do init_qp_attr? Do we know what is QP state and cm state (need to do sniffer to check what is the last received/sent CM packet). The file descriptor should be irrelevant.
If able to debug kernel maybe debug this function:
   drivers/infiniband/core/cma.c::rdma_init_qp_attr()
to see where this EINVAL is returned and why.






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