Affected kernel version 3.3
c-2-1 1 # uname -a
Linux c-2-1.local 3.3.4-gentoo #2 SMP Thu May 3 16:08:32 MSK 2012
x86_64 Dual Core AMD Opteron(tm) Processor 280 AuthenticAMD GNU/Linux
PS It doesnt have patches related to ib so its like vanilla =D
btw seems like ibv_devinfo reports correct speed
c-2-1 1 # ibv_devinfo -v
hca_id: mthca0
transport: InfiniBand (0)
fw_ver: 1.0.800
node_guid: 0002:c902:0023:05a0
sys_image_guid: 0002:c902:0023:05a3
vendor_id: 0x02c9
vendor_part_id: 25204
hw_ver: 0xA0
board_id: MT_03B0120001
phys_port_cnt: 1
max_mr_size: 0xffffffffffffffff
page_size_cap: 0xfffff000
max_qp: 64512
max_qp_wr: 16384
device_cap_flags: 0x00001c76
max_sge: 27
max_sge_rd: 0
max_cq: 65408
max_cqe: 131071
max_mr: 131056
max_pd: 32764
max_qp_rd_atom: 4
max_ee_rd_atom: 0
max_res_rd_atom: 258048
max_qp_init_rd_atom: 128
max_ee_init_rd_atom: 0
atomic_cap: ATOMIC_HCA (1)
max_ee: 0
max_rdd: 0
max_mw: 0
max_raw_ipv6_qp: 0
max_raw_ethy_qp: 0
max_mcast_grp: 8192
max_mcast_qp_attach: 56
max_total_mcast_qp_attach: 458752
max_ah: 0
max_fmr: 0
max_srq: 960
max_srq_wr: 16384
max_srq_sge: 27
max_pkeys: 64
local_ca_ack_delay: 15
port: 1
state: PORT_ACTIVE (4)
max_mtu: 2048 (4)
active_mtu: 2048 (4)
sm_lid: 15
port_lid: 47
port_lmc: 0x00
link_layer: IB
max_msg_sz: 0x80000000
port_cap_flags: 0x02510a68
max_vl_num: 4 (3)
bad_pkey_cntr: 0x0
qkey_viol_cntr: 0x0
sm_sl: 0
pkey_tbl_len: 64
gid_tbl_len: 32
subnet_timeout: 18
init_type_reply: 0
active_width: 4X (2)
active_speed: 2.5 Gbps (1)
phys_state: LINK_UP (5)
GID[ 0]:
fe80:0000:0000:0000:0002:c902:0023:05a1
Or Gerlitz писал 2012-05-15 22:27:
On Tue, May 15, 2012 at 10:16 PM, Alexey Shvetsov <[email protected]>
wrote:
Is it normal that kenrnel reports 8.5G speed on old SDR mellanox
HBA?
yes, there used to be a bug that could cause that, what kernel
produced this output?
c-2-1 1 # ibstatus
Infiniband device 'mthca0' port 1 status:
default gid: fe80:0000:0000:0000:0002:c902:0023:05a1
base lid: 0x2f
sm lid: 0xf
state: 4: ACTIVE
phys state: 5: LinkUp
rate: 8.5 Gb/sec (4X)
link_layer: InfiniBand
Or.
--
To unsubscribe from this list: send the line "unsubscribe linux-rdma"
in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
--
Best Regards,
Alexey 'Alexxy' Shvetsov
Petersburg Nuclear Physics Institute, NRC Kurchatov Institute,
Gatchina, Russia
Department of Molecular and Radiation Biophysics
Gentoo Team Ru
Gentoo Linux Dev
mailto:[email protected]
mailto:[email protected]
mailto:[email protected]
--
To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
