Infrastructure & Networking

BlueField Cumulus Linux Cumulus Linux is the first full-featured Linux operating system for the networking industry. Switches and Gateways Software And Drivers Adapters and Cables DOCA NVIDIA® DOCA™ brings together a wide range of powerful APIs, libraries, and frameworks for programming and accelerating modern data center infrastructures.

Topic	Replies	Views	Activity
Where are the Mellanox Support Articles? Infrastructure & Networking All articles are now available on the MyMellanox service portal. https://support.mellanox.com/s/	0	12436	March 14, 2022
QEMU segfaults on guest kexec when an OVS-DOCA docavdpa port has ≥ 8 queue pairs (CX-6 Lx, DOCA 3.5) Enterprise Networking	0	4	October 19, 2026
Iperf3 on CX7 && BF3 BlueField	2	30	October 19, 2026
OFED backport of mainline mlx5e XSK stale-buffer-release fix (kernel panic in mlx5e_post_rx_wqes) Mellanox OFED kernel , mlnx_ofed	4	112	October 18, 2026
ConnectX-8 MACsec Offload — Traffic drops after fixed packet count on active SA Ethernet Adapter Cards	1	64	October 18, 2026
NFTable FlowTable Hardware Offload on ConnectX-6 DX Ethernet Adapter Cards	1	52	October 18, 2026
ConnectX-7 rejects QSFP28-to-4xSFP28 breakout as 100G_4X (Status Opcode 16 "Cable speed not enabled"); can a single 100GBASE-CR4 link run over a 4x1 Ethernet Adapter Cards	0	18	October 16, 2026
Windows 11 ST 2110 receive on ConnectX-6 Dx with host system clock — is BlueField-3 required? Network Management Products rivermax	0	22	October 15, 2026
Mlnx-nvme: queue-depth iopolicy broken on kernels >= 6.3, nr_active never decremented (HAVE_BIO_START_IO_ACCT guard) Enterprise Networking	0	17	October 15, 2026
Network performance causing GPU idle time Enterprise Networking	3	95	October 15, 2026
BlueField-3 TLP emulation remains disabled after reset — DOCA 3.5 / FW 32.50.1002 BlueField	1	67	October 14, 2026
POC hardware request, BlueField DPU (Inception member) BlueField inception	0	26	October 14, 2026
Support Required: PHY-Level Packet Drops During 100 Gbps Bidirectional Traffic on ConnectX-6 Dx Mellanox OFED performance , ethernet-adapter-cards	0	25	October 14, 2026
ConnectX-7 ib_read_bw Bandwidth Degradation with Large Message Sizes and Multiple Outstanding Reads Mellanox OFED	0	23	October 14, 2026
Synchronous exception at 0x0000000000000 BlueField	3	71	October 14, 2026
ConnectX-8 C8180 no longer enumerates on PCIe after wrong mlxconfig PCI bus Ethernet Adapter Cards	4	317	October 13, 2026
Hands-on BlueField-3 access for NVIDIA Inception startup POC (DOCA/DPF Zero Trust) BlueField inception	1	70	October 11, 2026
Windows failed to initialise Mellanox MCX354A-FCBT InfiniBand/VPI Adapter Cards	7	2965	October 11, 2026
How to Connect IB QM9700 to IB SB7800 switch InfiniBand/VPI Switch Systems	2	322	October 8, 2026
ConnectX-7 IB with ATS Enabled causing kernel warnings and "memory bind operation error" InfiniBand/VPI Adapter Cards	5	805	October 8, 2026
ConnectX-6 Dx FW 22.47.3576: MSampleCount can remain at 0 while PCIe Lane Margining is active Ethernet Adapter Cards	0	60	October 7, 2026
ConnectX-6 Dx FW 22.47.3576: incorrect PCIe slot power status after cold power-on Ethernet Adapter Cards boot	0	78	October 7, 2026
BlueField3 DPU TLP Emulation Infrastructure Management	1	93	October 6, 2026
Doca regression 3.4 -> 3.5 causes kernel oops with rcprdma Other	2	81	October 6, 2026
NVMe-oF Target Offload: initiator reports "genctr mismatch" / "bad command_id" only when attr_offload=1 (ConnectX-6 Lx, FW 26.43.8016) Network Management Products kernel , nvme-over-fabrics	2	165	October 5, 2026
[BUG] DOCA-OFED 3.4.0 Repository SSL Handshake Failure on Debian 13 (Trixie) Infrastructure Management mellanox-ofed	3	360	October 4, 2026
ConnectX-4 LX: mlxconfig nvconfig parameters not applied after FW 14.32.1908/1912 --only mlxfwreset works Ethernet Adapter Cards	1	79	October 3, 2026
ConnectX-6 Dx rejects SMFS ("Software managed steering is not supported by current device") on one platform but not another Ethernet Adapter Cards	2	86	October 2, 2026
ConnectX-6 Dx: rx_discards_phy limits XDP redirect to ~100Mpps at 64-byte line rate (148Mpps) Ethernet Adapter Cards	2	269	October 2, 2026
ConnectX-7: limits and performance of interleaved indirect mkeys as an RDMA WRITE target InfiniBand/VPI Adapter Cards rdma-and-roce	0	44	October 1, 2026