----- Original Message ----- > From: "Sagi Grimberg" <sagi@xxxxxxxxxxx> > To: "shahar.salzman" <shahar.salzman@xxxxxxxxx>, linux-nvme@xxxxxxxxxxxxxxxxxxx, linux-rdma@xxxxxxxxxxxxxxx > Sent: Tuesday, February 21, 2017 5:50:39 PM > Subject: Re: Unexpected issues with 2 NVME initiators using the same target > > > > I am using 2 initiators + 1 target using nvmet with 1 subsystem and 4 > > backend > > devices. Kernel is 4.9.6, NVME/rdma drivers are all from the vanilla > > kernel, I > > had a probelm connecting the NVME using the OFED drivers, so I removed > > all the > > mlx_compat and everything which depends on it. > > Would it be possible to test with latest upstream kernel? > > > > > When I perform simultaneous writes (non direct fio) from both of the > > initiators > > to the same device (overlapping areas), I get NVMEf disconnect followed > > by "dump > > error cqe", successful reconnect, and then on one of the servers I get a > > WARN_ON. After this the server gets stuck and I have to power cycle it > > to get it > > back up... > > The error cqes seem to indicate that a memory registration operation > failed which escalated to something worse. > > I noticed some issues before with CX4 having problems with memory > registration in the presence of network retransmissions (due to > network congestion). > > I notified Mellanox folks on that too, CC'ing Linux-rdma for some > more attention. > > After that, I see that ib_modify_qp failed which I've never seen > before (might indicate the the device is in bad shape), and the WARN_ON > is really weird given that nvme-rdma never uses IB_POLL_DIRECT. > > > Here are the printouts from the server that got stuck: > > > > Feb 6 09:20:13 kblock01-knode02 kernel: [59976.204216] > > mlx5_0:dump_cqe:262:(pid 0): dump error cqe > > Feb 6 09:20:13 kblock01-knode02 kernel: [59976.204219] 00000000 > > 00000000 00000000 00000000 > > Feb 6 09:20:13 kblock01-knode02 kernel: [59976.204220] 00000000 > > 00000000 00000000 00000000 > > Feb 6 09:20:13 kblock01-knode02 kernel: [59976.204220] 00000000 > > 00000000 00000000 00000000 > > Feb 6 09:20:13 kblock01-knode02 kernel: [59976.204221] 00000000 > > 08007806 25000129 015557d0 > > Feb 6 09:20:13 kblock01-knode02 kernel: [59976.204234] nvme nvme0: > > MEMREG for CQE 0xffff96ddd747a638 failed with status > > memory management operation error (6) > > Feb 6 09:20:13 kblock01-knode02 kernel: [59976.204375] nvme nvme0: > > reconnecting in 10 seconds > > Feb 6 09:20:13 kblock01-knode02 kernel: [59976.205512] > > mlx5_0:dump_cqe:262:(pid 0): dump error cqe > > Feb 6 09:20:13 kblock01-knode02 kernel: [59976.205514] 00000000 > > 00000000 00000000 00000000 > > Feb 6 09:20:13 kblock01-knode02 kernel: [59976.205515] 00000000 > > 00000000 00000000 00000000 > > Feb 6 09:20:13 kblock01-knode02 kernel: [59976.205515] 00000000 > > 00000000 00000000 00000000 > > Feb 6 09:20:13 kblock01-knode02 kernel: [59976.205516] 00000000 > > 08007806 25000126 00692bd0 > > Feb 6 09:20:23 kblock01-knode02 kernel: [59986.452887] nvme nvme0: > > Successfully reconnected > > Feb 6 09:20:24 kblock01-knode02 kernel: [59986.682887] > > mlx5_0:dump_cqe:262:(pid 0): dump error cqe > > Feb 6 09:20:24 kblock01-knode02 kernel: [59986.682890] 00000000 > > 00000000 00000000 00000000 > > Feb 6 09:20:24 kblock01-knode02 kernel: [59986.682891] 00000000 > > 00000000 00000000 00000000 > > Feb 6 09:20:24 kblock01-knode02 kernel: [59986.682892] 00000000 > > 00000000 00000000 00000000 > > Feb 6 09:20:24 kblock01-knode02 kernel: [59986.682892] 00000000 > > 08007806 25000158 04cdd7d0 > > ... > > Feb 6 09:20:24 kblock01-knode02 kernel: [59986.687737] > > mlx5_0:dump_cqe:262:(pid 0): dump error cqe > > Feb 6 09:20:24 kblock01-knode02 kernel: [59986.687739] 00000000 > > 00000000 00000000 00000000 > > Feb 6 09:20:24 kblock01-knode02 kernel: [59986.687740] 00000000 > > 00000000 00000000 00000000 > > Feb 6 09:20:24 kblock01-knode02 kernel: [59986.687740] 00000000 > > 00000000 00000000 00000000 > > Feb 6 09:20:24 kblock01-knode02 kernel: [59986.687741] 00000000 > > 93005204 00000155 00a385e0 > > Feb 6 09:20:34 kblock01-knode02 kernel: [59997.389290] nvme nvme0: > > Successfully reconnected > > Feb 6 09:21:19 kblock01-knode02 rsyslogd: -- MARK -- > > Feb 6 09:21:38 kblock01-knode02 kernel: [60060.927832] > > mlx5_0:dump_cqe:262:(pid 0): dump error cqe > > Feb 6 09:21:38 kblock01-knode02 kernel: [60060.927835] 00000000 > > 00000000 00000000 00000000 > > Feb 6 09:21:38 kblock01-knode02 kernel: [60060.927836] 00000000 > > 00000000 00000000 00000000 > > Feb 6 09:21:38 kblock01-knode02 kernel: [60060.927837] 00000000 > > 00000000 00000000 00000000 > > Feb 6 09:21:38 kblock01-knode02 kernel: [60060.927837] 00000000 > > 93005204 00000167 b44e76e0 > > Feb 6 09:21:38 kblock01-knode02 kernel: [60060.927846] nvme nvme0: RECV > > for CQE 0xffff96fe64f18750 failed with status local protection error (4) > > Feb 6 09:21:38 kblock01-knode02 kernel: [60060.928200] nvme nvme0: > > reconnecting in 10 seconds > > ... > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736182] mlx5_core > > 0000:04:00.0: wait_func:879:(pid 22709): 2ERR_QP(0x507) timeout. Will > > cause a leak of a command resource > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736190] ------------[ > > cut here ]------------ > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736211] WARNING: CPU: 18 > > PID: 22709 at drivers/infiniband/core/verbs.c:1963 > > __ib_drain_sq+0x135/0x1d0 [ib_core] > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736212] failed to drain > > send queue: -110 > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736213] Modules linked > > in: nvme_rdma rdma_cm ib_cm iw_cm nvme_fabrics nvme_core > > ocs_fc_scst(POE) scst(OE) mptctl mptbase qla2xxx_scst(OE) > > scsi_transport_fc dm_multipath drbd lru_cache netconsole mst_pciconf(OE) > > nfsd nfs_acl auth_rpcgss ipmi_devintf lockd sunrpc grace ipt_MASQUERADE > > nf_nat_masquerade_ipv4 xt_nat iptable_nat nf_nat_ipv4 nf_nat > > nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack fuse binfmt_misc > > iTCO_wdt iTCO_vendor_support pcspkr serio_raw joydev igb i2c_i801 > > i2c_smbus lpc_ich mei_me mei ioatdma dca ses enclosure ipmi_ssif ipmi_si > > ipmi_msghandler bnx2x libcrc32c mdio mlx5_ib ib_core mlx5_core devlink > > ptp pps_core tpm_tis tpm_tis_core tpm ext4(E) mbcache(E) jbd2(E) isci(E) > > libsas(E) mpt3sas(E) scsi_transport_sas(E) raid_class(E) megaraid_sas(E) > > wmi(E) mgag200(E) ttm(E) drm_kms_helper(E) > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736293] drm(E) > > i2c_algo_bit(E) [last unloaded: nvme_core] > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736301] CPU: 18 PID: > > 22709 Comm: kworker/18:4 Tainted: P OE 4.9.6-KM1 #0 > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736303] Hardware name: > > Supermicro SYS-1027R-72BRFTP5-EI007/X9DRW-7/iTPF, BIOS 3.0a 01/22/2014 > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736312] Workqueue: > > nvme_rdma_wq nvme_rdma_reconnect_ctrl_work [nvme_rdma] > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736315] ffff96de27e6f9b8 > > ffffffffb537f3ff ffffffffc06a00e5 ffff96de27e6fa18 > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736320] ffff96de27e6fa18 > > 0000000000000000 ffff96de27e6fa08 ffffffffb5091a7d > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736324] 0000000300000000 > > 000007ab00000006 0507000000000000 ffff96de27e6fad8 > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736328] Call Trace: > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736341] > > [<ffffffffb537f3ff>] dump_stack+0x67/0x98 > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736352] > > [<ffffffffc06a00e5>] ? __ib_drain_sq+0x135/0x1d0 [ib_core] > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736364] > > [<ffffffffb5091a7d>] __warn+0xfd/0x120 > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736368] > > [<ffffffffb5091b59>] warn_slowpath_fmt+0x49/0x50 > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736378] > > [<ffffffffc069fdb5>] ? ib_modify_qp+0x45/0x50 [ib_core] > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736388] > > [<ffffffffc06a00e5>] __ib_drain_sq+0x135/0x1d0 [ib_core] > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736398] > > [<ffffffffc069f5a0>] ? ib_create_srq+0xa0/0xa0 [ib_core] > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736408] > > [<ffffffffc06a01a5>] ib_drain_sq+0x25/0x30 [ib_core] > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736418] > > [<ffffffffc06a01c6>] ib_drain_qp+0x16/0x40 [ib_core] > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736422] > > [<ffffffffc0c4d25b>] nvme_rdma_stop_and_free_queue+0x2b/0x50 [nvme_rdma] > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736426] > > [<ffffffffc0c4d2ad>] nvme_rdma_free_io_queues+0x2d/0x40 [nvme_rdma] > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736429] > > [<ffffffffc0c4d884>] nvme_rdma_reconnect_ctrl_work+0x34/0x1e0 [nvme_rdma] > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736434] > > [<ffffffffb50ac7ce>] process_one_work+0x17e/0x4f0 > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736444] > > [<ffffffffb50cefc5>] ? dequeue_task_fair+0x85/0x870 > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736454] > > [<ffffffffb5799c6a>] ? schedule+0x3a/0xa0 > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736456] > > [<ffffffffb50ad653>] worker_thread+0x153/0x660 > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736464] > > [<ffffffffb5026b4c>] ? __switch_to+0x1dc/0x670 > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736468] > > [<ffffffffb5799706>] ? __schedule+0x226/0x6a0 > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736471] > > [<ffffffffb50be7c2>] ? default_wake_function+0x12/0x20 > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736474] > > [<ffffffffb50d7636>] ? __wake_up_common+0x56/0x90 > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736477] > > [<ffffffffb50ad500>] ? workqueue_prepare_cpu+0x80/0x80 > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736480] > > [<ffffffffb5799c6a>] ? schedule+0x3a/0xa0 > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736483] > > [<ffffffffb50ad500>] ? workqueue_prepare_cpu+0x80/0x80 > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736487] > > [<ffffffffb50b237d>] kthread+0xcd/0xf0 > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736492] > > [<ffffffffb50bc40e>] ? schedule_tail+0x1e/0xc0 > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736495] > > [<ffffffffb50b22b0>] ? __kthread_init_worker+0x40/0x40 > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736499] > > [<ffffffffb579ded5>] ret_from_fork+0x25/0x30 > > Feb 6 09:23:54 kblock01-knode02 kernel: [60196.736502] ---[ end trace > > eb0e5ba7dc81a687 ]--- > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176054] mlx5_core > > 0000:04:00.0: wait_func:879:(pid 22709): 2ERR_QP(0x507) timeout. Will > > cause a leak of a command resource > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176059] ------------[ > > cut here ]------------ > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176073] WARNING: CPU: 18 > > PID: 22709 at drivers/infiniband/core/verbs.c:1998 > > __ib_drain_rq+0x12a/0x1c0 [ib_core] > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176075] failed to drain > > recv queue: -110 > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176076] Modules linked > > in: nvme_rdma rdma_cm ib_cm iw_cm nvme_fabrics nvme_core > > ocs_fc_scst(POE) scst(OE) mptctl mptbase qla2xxx_scst(OE) > > scsi_transport_fc dm_multipath drbd lru_cache netconsole mst_pciconf(OE) > > nfsd nfs_acl auth_rpcgss ipmi_devintf lockd sunrpc grace ipt_MASQUERADE > > nf_nat_masquerade_ipv4 xt_nat iptable_nat nf_nat_ipv4 nf_nat > > nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack fuse binfmt_misc > > iTCO_wdt iTCO_vendor_support pcspkr serio_raw joydev igb i2c_i801 > > i2c_smbus lpc_ich mei_me mei ioatdma dca ses enclosure ipmi_ssif ipmi_si > > ipmi_msghandler bnx2x libcrc32c mdio mlx5_ib ib_core mlx5_core devlink > > ptp pps_core tpm_tis tpm_tis_core tpm ext4(E) mbcache(E) jbd2(E) isci(E) > > libsas(E) mpt3sas(E) scsi_transport_sas(E) raid_class(E) megaraid_sas(E) > > wmi(E) mgag200(E) ttm(E) drm_kms_helper(E) > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176134] drm(E) > > i2c_algo_bit(E) [last unloaded: nvme_core] > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176140] CPU: 18 PID: > > 22709 Comm: kworker/18:4 Tainted: P W OE 4.9.6-KM1 #0 > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176141] Hardware name: > > Supermicro SYS-1027R-72BRFTP5-EI007/X9DRW-7/iTPF, BIOS 3.0a 01/22/2014 > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176147] Workqueue: > > nvme_rdma_wq nvme_rdma_reconnect_ctrl_work [nvme_rdma] > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176150] ffff96de27e6f9b8 > > ffffffffb537f3ff ffffffffc069feea ffff96de27e6fa18 > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176155] ffff96de27e6fa18 > > 0000000000000000 ffff96de27e6fa08 ffffffffb5091a7d > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176159] 0000000300000000 > > 000007ce00000006 0507000000000000 ffff96de27e6fad8 > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176163] Call Trace: > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176169] > > [<ffffffffb537f3ff>] dump_stack+0x67/0x98 > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176180] > > [<ffffffffc069feea>] ? __ib_drain_rq+0x12a/0x1c0 [ib_core] > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176185] > > [<ffffffffb5091a7d>] __warn+0xfd/0x120 > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176189] > > [<ffffffffb5091b59>] warn_slowpath_fmt+0x49/0x50 > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176199] > > [<ffffffffc069fdb5>] ? ib_modify_qp+0x45/0x50 [ib_core] > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176216] > > [<ffffffffc06de770>] ? mlx5_ib_modify_qp+0x980/0xec0 [mlx5_ib] > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176225] > > [<ffffffffc069feea>] __ib_drain_rq+0x12a/0x1c0 [ib_core] > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176235] > > [<ffffffffc069f5a0>] ? ib_create_srq+0xa0/0xa0 [ib_core] > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176246] > > [<ffffffffc069ffa5>] ib_drain_rq+0x25/0x30 [ib_core] > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176255] > > [<ffffffffc06a01dc>] ib_drain_qp+0x2c/0x40 [ib_core] > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176259] > > [<ffffffffc0c4d25b>] nvme_rdma_stop_and_free_queue+0x2b/0x50 [nvme_rdma] > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176263] > > [<ffffffffc0c4d2ad>] nvme_rdma_free_io_queues+0x2d/0x40 [nvme_rdma] > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176267] > > [<ffffffffc0c4d884>] nvme_rdma_reconnect_ctrl_work+0x34/0x1e0 [nvme_rdma] > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176270] > > [<ffffffffb50ac7ce>] process_one_work+0x17e/0x4f0 > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176275] > > [<ffffffffb50cefc5>] ? dequeue_task_fair+0x85/0x870 > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176278] > > [<ffffffffb5799c6a>] ? schedule+0x3a/0xa0 > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176281] > > [<ffffffffb50ad653>] worker_thread+0x153/0x660 > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176285] > > [<ffffffffb5026b4c>] ? __switch_to+0x1dc/0x670 > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176289] > > [<ffffffffb5799706>] ? __schedule+0x226/0x6a0 > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176291] > > [<ffffffffb50be7c2>] ? default_wake_function+0x12/0x20 > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176294] > > [<ffffffffb50d7636>] ? __wake_up_common+0x56/0x90 > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176297] > > [<ffffffffb50ad500>] ? workqueue_prepare_cpu+0x80/0x80 > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176300] > > [<ffffffffb5799c6a>] ? schedule+0x3a/0xa0 > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176302] > > [<ffffffffb50ad500>] ? workqueue_prepare_cpu+0x80/0x80 > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176306] > > [<ffffffffb50b237d>] kthread+0xcd/0xf0 > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176310] > > [<ffffffffb50bc40e>] ? schedule_tail+0x1e/0xc0 > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176313] > > [<ffffffffb50b22b0>] ? __kthread_init_worker+0x40/0x40 > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176316] > > [<ffffffffb579ded5>] ret_from_fork+0x25/0x30 > > Feb 6 09:24:55 kblock01-knode02 kernel: [60258.176318] ---[ end trace > > eb0e5ba7dc81a688 ]--- > > Feb 6 09:25:26 kblock01-knode02 udevd[9344]: worker [21322] > > unexpectedly returned with status 0x0100 > > Feb 6 09:25:26 kblock01-knode02 udevd[9344]: worker [21322] failed > > while handling '/devices/virtual/nvme-fabrics/ctl/nvme0/nvme0n1' > > Feb 6 09:25:26 kblock01-knode02 udevd[9344]: worker [21323] > > unexpectedly returned with status 0x0100 > > Feb 6 09:25:26 kblock01-knode02 udevd[9344]: worker [21323] failed > > while handling '/devices/virtual/nvme-fabrics/ctl/nvme0/nvme0n2' > > Feb 6 09:25:26 kblock01-knode02 udevd[9344]: worker [21741] > > unexpectedly returned with status 0x0100 > > Feb 6 09:25:26 kblock01-knode02 udevd[9344]: worker [21741] failed > > while handling '/devices/virtual/nvme-fabrics/ctl/nvme0/nvme0n3' > > Feb 6 09:25:57 kblock01-knode02 kernel: [60319.615916] mlx5_core > > 0000:04:00.0: wait_func:879:(pid 22709): 2RST_QP(0x50a) timeout. Will > > cause a leak of a command resource > > Feb 6 09:25:57 kblock01-knode02 kernel: [60319.615922] > > mlx5_0:destroy_qp_common:1936:(pid 22709): mlx5_ib: modify QP 0x00015e > > to RESET failed > > Feb 6 09:26:19 kblock01-knode02 udevd[9344]: worker [21740] > > unexpectedly returned with status 0x0100 > > Feb 6 09:26:19 kblock01-knode02 udevd[9344]: worker [21740] failed > > while handling '/devices/virtual/nvme-fabrics/ctl/nvme0/nvme0n4' > > > > > > _______________________________________________ > > Linux-nvme mailing list > > Linux-nvme@xxxxxxxxxxxxxxxxxxx > > http://lists.infradead.org/mailman/listinfo/linux-nvme > -- > 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 > Hi Sagi, Have not looked in depth here but is this maybe the GAPS issue again I bumped into where we had to revert the patch for the SRP transport. Would we have to do a similar revert in the NVME space or modify mlx5 where this issue exists. Thanks Laurnce -- 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