----- Original Message ----- > From: "Laurence Oberman" <loberman@xxxxxxxxxx> > To: "Max Gurtovoy" <maxg@xxxxxxxxxxxx> > Cc: "Leon Romanovsky" <leonro@xxxxxxxxxxxx>, "Bart Van Assche" <bart.vanassche@xxxxxxxxxxx>, "Doug Ledford" > <dledford@xxxxxxxxxx>, "Sagi Grimberg" <sagi@xxxxxxxxxxx>, "Israel Rukshin" <israelr@xxxxxxxxxxxx>, > linux-rdma@xxxxxxxxxxxxxxx > Sent: Wednesday, April 26, 2017 9:28:37 AM > Subject: Re: [PATCH, untested] mlx5: Avoid that mlx5_ib_sg_to_klms() overflows the klms[] array > > > > ----- Original Message ----- > > From: "Max Gurtovoy" <maxg@xxxxxxxxxxxx> > > To: "Laurence Oberman" <loberman@xxxxxxxxxx> > > Cc: "Leon Romanovsky" <leonro@xxxxxxxxxxxx>, "Bart Van Assche" > > <bart.vanassche@xxxxxxxxxxx>, "Doug Ledford" > > <dledford@xxxxxxxxxx>, "Sagi Grimberg" <sagi@xxxxxxxxxxx>, "Israel Rukshin" > > <israelr@xxxxxxxxxxxx>, > > linux-rdma@xxxxxxxxxxxxxxx > > Sent: Wednesday, April 26, 2017 8:25:30 AM > > Subject: Re: [PATCH, untested] mlx5: Avoid that mlx5_ib_sg_to_klms() > > overflows the klms[] array > > > > > > > > On 4/26/2017 3:18 PM, Laurence Oberman wrote: > > > > > > > > > ----- Original Message ----- > > >> From: "Laurence Oberman" <loberman@xxxxxxxxxx> > > >> To: "Max Gurtovoy" <maxg@xxxxxxxxxxxx> > > >> Cc: "Leon Romanovsky" <leonro@xxxxxxxxxxxx>, "Bart Van Assche" > > >> <bart.vanassche@xxxxxxxxxxx>, "Doug Ledford" > > >> <dledford@xxxxxxxxxx>, "Sagi Grimberg" <sagi@xxxxxxxxxxx>, "Israel > > >> Rukshin" <israelr@xxxxxxxxxxxx>, > > >> linux-rdma@xxxxxxxxxxxxxxx > > >> Sent: Wednesday, April 26, 2017 7:47:37 AM > > >> Subject: Re: [PATCH, untested] mlx5: Avoid that mlx5_ib_sg_to_klms() > > >> overflows the klms[] array > > >> > > >> > > >> > > >> ----- Original Message ----- > > >>> From: "Max Gurtovoy" <maxg@xxxxxxxxxxxx> > > >>> To: "Laurence Oberman" <loberman@xxxxxxxxxx>, "Leon Romanovsky" > > >>> <leonro@xxxxxxxxxxxx> > > >>> Cc: "Bart Van Assche" <bart.vanassche@xxxxxxxxxxx>, "Doug Ledford" > > >>> <dledford@xxxxxxxxxx>, "Sagi Grimberg" > > >>> <sagi@xxxxxxxxxxx>, "Israel Rukshin" <israelr@xxxxxxxxxxxx>, > > >>> linux-rdma@xxxxxxxxxxxxxxx > > >>> Sent: Wednesday, April 26, 2017 4:31:57 AM > > >>> Subject: Re: [PATCH, untested] mlx5: Avoid that mlx5_ib_sg_to_klms() > > >>> overflows the klms[] array > > >>> > > >>> > > >>> > > >>> On 4/25/2017 11:37 PM, Laurence Oberman wrote: > > >>>> > > >>>> > > >>>> ----- Original Message ----- > > >>>>> From: "Leon Romanovsky" <leonro@xxxxxxxxxxxx> > > >>>>> To: "Bart Van Assche" <bart.vanassche@xxxxxxxxxxx> > > >>>>> Cc: "Doug Ledford" <dledford@xxxxxxxxxx>, "Max Gurtovoy" > > >>>>> <maxg@xxxxxxxxxxxx>, "Sagi Grimberg" <sagi@xxxxxxxxxxx>, > > >>>>> "Israel Rukshin" <israelr@xxxxxxxxxxxx>, "Laurence Oberman" > > >>>>> <loberman@xxxxxxxxxx>, linux-rdma@xxxxxxxxxxxxxxx > > >>>>> Sent: Tuesday, April 25, 2017 1:58:49 PM > > >>>>> Subject: Re: [PATCH, untested] mlx5: Avoid that mlx5_ib_sg_to_klms() > > >>>>> overflows the klms[] array > > >>>>> > > >>>>> On Mon, Apr 24, 2017 at 03:15:28PM -0700, Bart Van Assche wrote: > > >>>>>> ib_map_mr_sg() can pass an SG-list to .map_mr_sg() that is larger > > >>>>>> than what fits into a single MR. .map_mr_sg() must not attempt to > > >>>>>> map more SG-list elements than what fits into a single MR. > > >>>>>> Hence make sure that mlx5_ib_sg_to_klms() does not write outside > > >>>>>> the MR klms[] array. > > >>>>>> > > >>>>>> Fixes: b005d3164713 ("mlx5: Add arbitrary sg list support") > > >>>>>> Signed-off-by: Bart Van Assche <bart.vanassche@xxxxxxxxxxx> > > >>>>>> Reviewed-by: Max Gurtovoy <maxg@xxxxxxxxxxxx> > > >>>>>> Cc: Sagi Grimberg <sagi@xxxxxxxxxxx> > > >>>>>> Cc: Leon Romanovsky <leonro@xxxxxxxxxxxx> > > >>>>>> Cc: Israel Rukshin <israelr@xxxxxxxxxxxx> > > >>>>>> Cc: <stable@xxxxxxxxxxxxxxx> > > >>>>>> --- > > >>>>>> drivers/infiniband/hw/mlx5/mr.c | 2 +- > > >>>>>> 1 file changed, 1 insertion(+), 1 deletion(-) > > >>>>>> > > >>>>> > > >>>>> Bart, > > >>>>> > > >>>>> Thanks a lot, it indeed looks right. > > >>>>> Acked-by: Leon Romanovsky <leonro@xxxxxxxxxxxx> > > >>>>> > > >>>>> Thanks > > >>>>> > > >>>> > > >>>> > > >>>> Hello Bart, Leon, Max and Israel. > > >>>> > > >>>> I cloned off Barts tree. > > >>>> > > >>>> git clone https://github.com/bvanassche/linux > > >>>> cd linux > > >>>> git checkout block-scsi-for-next > > >>>> > > >>>> I checked all patches were in for this test. > > >>>> > > >>>> a83e404 IB/srp: Reenable IB_MR_TYPE_SG_GAPS > > >>>> dfa5a2b mlx5: Avoid that mlx5_ib_sg_to_klms() overflows the klms[] > > >>>> array > > >>>> f759c80 mlx5: Fix mlx5_ib_map_mr_sg mr lengt > > >>> > > >>> Hi, > > >>> copying Sagi's request from different thread: > > >>> > > >>> " > > >>> Can you please enable srp_add_one debug: > > >>> > > >>> echo "func srp_add_one +p" > /sys/kernel/debug/dynamic_debug/control > > >>> > > >>> In addition apply the following: > > >>> -- > > >>> diff --git a/drivers/infiniband/hw/mlx5/mr.c > > >>> b/drivers/infiniband/hw/mlx5/mr.c > > >>> index d9c6c0ea750b..040fbc387e4f 100644 > > >>> --- a/drivers/infiniband/hw/mlx5/mr.c > > >>> +++ b/drivers/infiniband/hw/mlx5/mr.c > > >>> @@ -1403,6 +1403,8 @@ mlx5_alloc_priv_descs(struct ib_device *device, > > >>> int add_size; > > >>> int ret; > > >>> > > >>> + WARN_ON_ONCE(ndescs > device->attr.max_fast_reg_page_list_len); > > >>> + > > >>> add_size = max_t(int, MLX5_UMR_ALIGN - ARCH_KMALLOC_MINALIGN, > > >>> 0); > > >>> > > >>> mr->descs_alloc = kzalloc(size + add_size, GFP_KERNEL); > > >>> > > >>> " > > >>> > > >>> Max. > > >>> > > >>>> > > >>>> Built and tested the kernel. > > >>>> > > >>>> However this issue is not resolved :( > > >>>> > > >>>> [ 2707.931909] scsi host1: ib_srp: failed RECV status WR flushed (5) > > >>>> for > > >>>> CQE ffff8817edca86b0 > > >>>> [ 2708.089806] mlx5_0:dump_cqe:262:(pid 20129): dump error cqe > > >>>> [ 2708.121342] 00000000 00000000 00000000 00000000 > > >>>> [ 2708.147104] 00000000 00000000 00000000 00000000 > > >>>> [ 2708.172633] 00000000 00000000 00000000 00000000 > > >>>> [ 2708.198702] 00000000 0f007806 2500002a 14a527d0 > > >>>> [ 2732.434127] scsi host1: ib_srp: reconnect succeeded > > >>>> [ 2733.048023] scsi host1: ib_srp: failed RECV status WR flushed (5) > > >>>> for > > >>>> CQE ffff8817ed0a9c30 > > >>>> > > >>>> [root@localhost ~]# [ 2746.413277] mlx5_0:dump_cqe:262:(pid 15877): > > >>>> dump > > >>>> error cqe > > >>>> [ 2746.443240] 00000000 00000000 00000000 00000000 > > >>>> [ 2746.469323] 00000000 00000000 00000000 00000000 > > >>>> [ 2746.495310] 00000000 00000000 00000000 00000000 > > >>>> [ 2746.521407] 00000000 0f007806 25000032 003c7ad0 > > >>>> [ 2752.445899] scsi host1: ib_srp: reconnect succeeded > > >>>> [ 2752.481835] scsi host1: ib_srp: failed RECV status WR flushed (5) > > >>>> for > > >>>> CQE ffff8817ed0a9cf0 > > >>>> [ 2763.267386] mlx5_0:dump_cqe:262:(pid 15877): dump error cqe > > >>>> [ 2763.297826] 00000000 00000000 00000000 00000000 > > >>>> [ 2763.323352] 00000000 00000000 00000000 00000000 > > >>>> [ 2763.348722] 00000000 00000000 00000000 00000000 > > >>>> [ 2763.374681] 00000000 0f007806 2500003a 00084bd0 > > >>>> > > >>>> [root@localhost ~]# [ 2769.385203] fast_io_fail_tmo expired for SRP > > >>>> port-1:1 / host1. > > >>>> [ 2769.415956] scsi host1: ib_srp: reconnect succeeded > > >>>> [ 2769.450258] scsi host1: ib_srp: failed RECV status WR flushed (5) > > >>>> for > > >>>> CQE ffff8817ed0a9cf0 > > >>>> [ 2780.064627] mlx5_0:dump_cqe:262:(pid 18771): dump error cqe > > >>>> [ 2780.093520] 00000000 00000000 00000000 00000000 > > >>>> [ 2780.120067] 00000000 00000000 00000000 00000000 > > >>>> [ 2780.145575] 00000000 00000000 00000000 00000000 > > >>>> [ 2780.171153] 00000000 0f007806 25000042 000833d0 > > >>>> [ 2785.923399] scsi host1: ib_srp: reconnect succeeded > > >>>> [ 2785.957504] scsi host1: ib_srp: failed RECV status WR flushed (5) > > >>>> for > > >>>> CQE ffff8817ed0a9cf0 > > >>>> [ 2796.463426] mlx5_0:dump_cqe:262:(pid 18771): dump error cqe > > >>>> [ 2796.495257] 00000000 00000000 00000000 00000000 > > >>>> [ 2796.521506] 00000000 00000000 00000000 00000000 > > >>>> [ 2796.547640] 00000000 00000000 00000000 00000000 > > >>>> [ 2796.573120] 00000000 0f007806 2500004a 00083bd0 > > >>>> [ 2802.562578] scsi host1: ib_srp: reconnect succeeded > > >>>> [ 2802.596880] scsi host1: ib_srp: failed RECV status WR flushed (5) > > >>>> for > > >>>> CQE ffff8817ed0a9cf0 > > >>>> > > >>>> Regards > > >>>> Laurence > > >>>> > > >>> > > >> Doing this now > > >> Thanks > > >> Laurence > > > > > > Max > > > > > > The Patch is not correct. > > > > > > drivers/infiniband/hw/mlx5/mr.c: In function 'mlx5_alloc_priv_descs': > > > drivers/infiniband/hw/mlx5/mr.c:1406:30: error: 'struct ib_device' has no > > > member named 'attr' > > > WARN_ON_ONCE(ndescs > device->attr.max_fast_reg_page_list_len); > > > ^ > > > ./include/asm-generic/bug.h:117:27: note: in definition of macro > > > 'WARN_ON_ONCE' > > > int __ret_warn_once = !!(condition); \ > > > > > > I think you meant to give me > > > > > > WARN_ON_ONCE(ndescs > ib_device_attr->attr.max_fast_reg_page_list_len); > > > > > > Can you confirm > > > > Hi Laurence, > > should be device->attrs.max_fast_reg_page_list_len. > > > > please check this one that might solve the issue (on top of everything): > > > > > > diff --git a/drivers/infiniband/hw/mlx5/mr.c > > b/drivers/infiniband/hw/mlx5/mr.c > > index b8f9382..063d116 100644 > > --- a/drivers/infiniband/hw/mlx5/mr.c > > +++ b/drivers/infiniband/hw/mlx5/mr.c > > @@ -1559,7 +1559,7 @@ struct ib_mr *mlx5_ib_alloc_mr(struct ib_pd *pd, > > mr->max_descs = ndescs; > > } else if (mr_type == IB_MR_TYPE_SG_GAPS) { > > mr->access_mode = MLX5_MKC_ACCESS_MODE_KLMS; > > - > > + MLX5_SET(mkc, mkc, translations_octword_size, > > ALIGN(max_num_sg + 1, 4)); > > err = mlx5_alloc_priv_descs(pd->device, mr, > > ndescs, sizeof(struct > > mlx5_klm)); > > if (err) > > > > thanks, > > Max. > > > > > > > > Thanks > > > Laurence > > > > > -- > > To unsubscribe from this list: send the line "unsubscribe linux-rdma" in > > the body of a message to majordomo@xxxxxxxxxxxxxxx > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > > > Hello Max > > I have the corrected WARN_ON_ONCE patch and the above patch as well as the > rest as it was from Barts tree. > > Still fails. > > For a baseline I can revert > a83e404 IB/srp: Reenable IB_MR_TYPE_SG_GAPS > > Then test again to make sure we are starting from a good place. > > Initiator log > > [ 280.481951] scsi host1: ib_srp: failed FAST REG status memory management > operation error (6) for CQE ffff8817d9a881b8 > [ 301.149106] scsi host1: ib_srp: reconnect succeeded > [ 301.280635] scsi host1: ib_srp: failed RECV status WR flushed (5) for CQE > ffff8817ed32f2f0 > [ 334.596420] scsi host2: ib_srp: failed RECV status WR flushed (5) for CQE > ffff8817c592c970 > [ 334.599689] mlx5_1:dump_cqe:262:(pid 20): dump error cqe > [ 334.599691] 00000000 00000000 00000000 00000000 > [ 334.599692] 00000000 00000000 00000000 00000000 > [ 334.599692] 00000000 00000000 00000000 00000000 > [ 334.599693] 00000000 0f007806 2500002d 067b48d0 > [ 334.599697] scsi host2: ib_srp: failed FAST REG status memory management > operation error (6) for CQE ffff8817c6e30078 > [ 336.117248] mlx5_0:dump_cqe:262:(pid 130): dump error cqe > [ 336.145840] 00000000 00000000 00000000 00000000 > [ 336.171830] 00000000 00000000 00000000 00000000 > [ 336.197688] 00000000 00000000 00000000 00000000 > [ 336.223720] 00000000 0f007806 25000032 005408d0 > [ 339.712706] fast_io_fail_tmo expired for SRP port-1:1 / host1. > [ 341.453634] scsi host1: ib_srp: reconnect succeeded > [ 341.481600] mlx5_0:dump_cqe:262:(pid 130): dump error cqe > [ 341.482145] scsi host1: ib_srp: failed RECV status WR flushed (5) for CQE > ffff8817ecaf6970 > [ 341.559359] 00000000 00000000 00000000 00000000 > [ 341.585397] 00000000 00000000 00000000 00000000 > [ 341.610948] 00000000 00000000 00000000 00000000 > [ 341.637515] 00000000 0f007806 2500003d 000046d0 > [ 342.297598] sd 1:0:0:9: rejecting I/O to offline device > [ 342.297936] sd 1:0:0:9: [sdg] tag#28 FAILED Result: > hostbyte=DID_TRANSPORT_FAILFAST driverbyte=DRIVER_OK > [ 342.297941] sd 1:0:0:9: [sdg] tag#28 CDB: Write(10) 2a 00 00 00 40 00 00 > 40 00 00 > [ 342.297943] blk_update_request: recoverable transport error, dev sdg, > sector 16384 > [ 342.297951] sd 1:0:0:20: [sdar] tag#5 FAILED Result: > hostbyte=DID_TRANSPORT_FAILFAST driverbyte=DRIVER_OK > [ 342.297952] sd 1:0:0:20: [sdar] tag#15 FAILED Result: > hostbyte=DID_TRANSPORT_FAILFAST driverbyte=DRIVER_OK > [ 342.297956] sd 1:0:0:20: [sdar] tag#5 CDB: Write(10) 2a 00 00 03 c0 00 00 > 40 00 00 > [ 342.297956] sd 1:0:0:20: [sdar] tag#15 CDB: Write(10) 2a 00 00 2c c0 00 00 > 40 00 00 > [ 342.297958] blk_update_request: recoverable transport error, dev sdar, > sector 245760 > [ 342.297959] blk_update_request: recoverable transport error, dev sdar, > sector 2932736 > [ 342.298119] device-mapper: multipath: Failing path 8:96. > [ 342.298266] sd 1:0:0:9: [sdg] tag#29 FAILED Result: > hostbyte=DID_TRANSPORT_FAILFAST driverbyte=DRIVER_OK > [ 342.298268] sd 1:0:0:9: [sdg] tag#29 CDB: Write(10) 2a 00 00 00 c0 00 00 > 40 00 00 > [ 342.298269] blk_update_request: recoverable transport error, dev sdg, > sector 49152 > [ 342.298300] device-mapper: multipath: Failing path 66:176. > [ 342.298486] sd 1:0:0:20: [sdar] tag#16 FAILED Result: > hostbyte=DID_TRANSPORT_FAILFAST driverbyte=DRIVER_OK > [ 342.298488] sd 1:0:0:20: [sdar] tag#6 FAILED Result: > hostbyte=DID_TRANSPORT_FAILFAST driverbyte=DRIVER_OK > [ 342.298489] sd 1:0:0:20: [sdar] tag#16 CDB: Write(10) 2a 00 00 2d 40 00 00 > 40 00 00 > [ 342.298490] sd 1:0:0:20: [sdar] tag#6 CDB: Write(10) 2a 00 00 04 40 00 00 > 40 00 00 > [ 342.298491] blk_update_request: recoverable transport error, dev sdar, > sector 2965504 > [ 342.298492] blk_update_request: recoverable transport error, dev sdar, > sector 278528 > [ 342.298582] sd 1:0:0:9: [sdg] tag#30 FAILED Result: > hostbyte=DID_TRANSPORT_FAILFAST driverbyte=DRIVER_OK > [ 342.298584] sd 1:0:0:9: [sdg] tag#30 CDB: Write(10) 2a 00 00 01 40 00 00 > 40 00 00 > [ 342.298585] blk_update_request: recoverable transport error, dev sdg, > sector 81920 > [ 342.298889] sd 1:0:0:9: [sdg] tag#31 FAILED Result: > hostbyte=DID_TRANSPORT_FAILFAST driverbyte=DRIVER_OK > [ 342.298890] sd 1:0:0:9: [sdg] tag#31 CDB: Write(10) 2a 00 00 01 c0 00 00 > 40 00 00 > [ 342.298891] blk_update_request: recoverable transport error, dev sdg, > sector 114688 > [ 342.298981] sd 1:0:0:20: [sdar] tag#7 FAILED Result: > hostbyte=DID_TRANSPORT_FAILFAST driverbyte=DRIVER_OK > [ 342.298983] sd 1:0:0:20: [sdar] tag#7 CDB: Write(10) 2a 00 00 04 c0 00 00 > 40 00 00 > [ 342.298985] blk_update_request: recoverable transport error, dev sdar, > sector 311296 > [ 342.299004] sd 1:0:0:20: [sdar] tag#17 FAILED Result: > hostbyte=DID_TRANSPORT_FAILFAST driverbyte=DRIVER_OK > [ 342.299007] sd 1:0:0:20: [sdar] tag#17 CDB: Write(10) 2a 00 00 34 c0 00 00 > 40 00 00 > [ 342.299009] blk_update_request: recoverable transport error, dev sdar, > sector 3457024 > [ 342.356353] device-mapper: multipath: Failing path 8:64. > [ 342.356489] device-mapper: multipath: Failing path 8:128. > [ 342.356628] device-mapper: multipath: Failing path 8:160. > [ 342.356699] device-mapper: multipath: Failing path 8:176. > [ 342.356767] device-mapper: multipath: Failing path 8:240. > [ 342.356834] device-mapper: multipath: Failing path 8:208. > [ 342.356900] device-mapper: multipath: Failing path 65:16. > [ 342.356967] device-mapper: multipath: Failing path 65:64. > [ 342.357035] device-mapper: multipath: Failing path 65:96. > [ 342.357103] device-mapper: multipath: Failing path 65:128. > [ 342.357169] device-mapper: multipath: Failing path 65:176. > [ 342.357237] device-mapper: multipath: Failing path 65:208. > [ 342.357303] device-mapper: multipath: Failing path 65:224. > [ 342.357371] device-mapper: multipath: Failing path 66:0. > [ 342.357454] device-mapper: multipath: Failing path 66:32. > [ 342.357521] device-mapper: multipath: Failing path 66:48. > [ 342.357647] device-mapper: multipath: Failing path 66:80. > [ 342.357714] device-mapper: multipath: Failing path 66:112. > [ 342.357781] device-mapper: multipath: Failing path 66:144. > [ 342.357936] device-mapper: multipath: Failing path 66:208. > [ 342.358019] device-mapper: multipath: Failing path 66:240. > [ 342.358115] device-mapper: multipath: Failing path 67:16. > [ 342.358183] device-mapper: multipath: Failing path 67:48. > [ 342.358264] device-mapper: multipath: Failing path 67:80. > [ 342.358359] device-mapper: multipath: Failing path 67:128. > [ 342.358442] device-mapper: multipath: Failing path 67:160. > [ 342.358594] device-mapper: multipath: Failing path 67:224. > [ 342.358671] device-mapper: multipath: Failing path 67:208. > [ 350.157728] scsi host2: ib_srp: reconnect succeeded > [ 350.189605] mlx5_1:dump_cqe:262:(pid 4756): dump error cqe > [ 350.193180] mlx5_1:dump_cqe:262:(pid 1275): dump error cqe > [ 350.193182] 00000000 00000000 00000000 00000000 > [ 350.193182] 00000000 00000000 00000000 00000000 > [ 350.193183] 00000000 00000000 00000000 00000000 > [ 350.193183] 00000000 0f007806 25000035 04f569d0 > [ 350.193187] scsi host2: ib_srp: failed FAST REG status memory management > operation error (6) for CQE ffff8817c6e30078 > [ 350.412637] 00000000 00000000 00000000 00000000 > [ 350.436431] 00000000 00000000 00000000 00000000 > [ 350.461871] 00000000 00000000 00000000 00000000 > [ 350.487549] 00000000 0f007806 25000032 000843d0 > > Target Log > > Thee events happened after the first failures on the initiator > > [ 1111.029847] ib_srpt Received CM TimeWait exit for ch > 0x4f6e72000390fe7c7cfe900300726ed3-49. > [ 1111.078815] ib_srpt Received CM TimeWait exit for ch > 0x4f6e72000390fe7c7cfe900300726ed3-48. > [ 1111.127420] ib_srpt Received CM TimeWait exit for ch > 0x4f6e72000390fe7c7cfe900300726ed3-47. > [ 1111.175801] ib_srpt Received CM TimeWait exit for ch > 0x4f6e72000390fe7c7cfe900300726ed3-46. > [ 1111.223725] ib_srpt Received CM TimeWait exit for ch > 0x4f6e72000390fe7c7cfe900300726ed3-45. > [ 1111.271957] ib_srpt Received CM TimeWait exit for ch > 0x4f6e72000390fe7c7cfe900300726ed3-44. > [ 1111.319494] ib_srpt Received CM TimeWait exit for ch > 0x4f6e72000390fe7c7cfe900300726ed3-43. > [ 1111.365795] ib_srpt Received CM TimeWait exit for ch > 0x4f6e72000390fe7c7cfe900300726ed3-42. > > -- > To unsubscribe from this list: send the line "unsubscribe linux-rdma" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > Max These are the parameters all my tests run with. Same as always. [root@localhost modprobe.d]# cat ib_srp.conf options ib_srp cmd_sg_entries=255 indirect_sg_entries=2048 I dont set prefer_fr so it defaults to Y [root@localhost parameters]# cat prefer_fr Y I have no settings for mlx5_core, all defaults. Thanks Laurence -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html