Network interface going down for some seconds

[spaeter112]

Hi,

i have 3 hp proliant dl380g7 servers an the following error.

Sporadicly the network interface going down for some seconds.

I use Oracle Linux 6.3 which is a redhat clone.

In /var/log/messages i saw:

Feb 12 14:08:43 my_host kernel: bnx2 0000:03:00.0: eth0: DEBUG: intr_sem[0] PCI_CMD[00100446]
Feb 12 14:08:43 my_host kernel: bnx2 0000:03:00.0: eth0: DEBUG: PCI_PM[19002008] PCI_MISC_CFG[92000088]
Feb 12 14:08:43 my_host kernel: bnx2 0000:03:00.0: eth0: DEBUG: EMAC_TX_STATUS[00000008] EMAC_RX_STATUS[00000000]
Feb 12 14:08:43 my_host kernel: bnx2 0000:03:00.0: eth0: DEBUG: RPM_MGMT_PKT_CTRL[40000088]
Feb 12 14:08:43 my_host kernel: bnx2 0000:03:00.0: eth0: DEBUG: HC_STATS_INTERRUPT_STATUS[01f70008]
Feb 12 14:08:43 my_host kernel: bnx2 0000:03:00.0: eth0: DEBUG: PBA[00000000]
Feb 12 14:08:43 my_host kernel: bnx2 0000:03:00.0: eth0: <--- start MCP states dump --->
Feb 12 14:08:43 my_host kernel: bnx2 0000:03:00.0: eth0: DEBUG: MCP_STATE_P0[0003610e] MCP_STATE_P1[0003610e]
Feb 12 14:08:43 my_host kernel: bnx2 0000:03:00.0: eth0: DEBUG: MCP mode[0000b880] state[80000000] evt_mask[00000500]
Feb 12 14:08:43 my_host kernel: bnx2 0000:03:00.0: eth0: DEBUG: pc[0800d850] pc[0800c6d8] instr[24030001]
Feb 12 14:08:43 my_host kernel: bnx2 0000:03:00.0: eth0: DEBUG: shmem states:
Feb 12 14:08:43 my_host kernel: bnx2 0000:03:00.0: eth0: DEBUG: drv_mb[01030006] fw_mb[00000006] link_status[0000006e] drv_pulse_mb[00004fbc]
Feb 12 14:08:43 my_host kernel: bnx2 0000:03:00.0: eth0: DEBUG: dev_info_signature[44564903] reset_type[01005254] condition[0003610e]
Feb 12 14:08:43 my_host kernel: bnx2 0000:03:00.0: eth0: DEBUG: 000003cc: 44444444 44444444 44444444 00000a3c
Feb 12 14:08:43 my_host kernel: bnx2 0000:03:00.0: eth0: DEBUG: 000003dc: 0ffeffff 0000ffff ffffffff ffffffff
Feb 12 14:08:43 my_host kernel: bnx2 0000:03:00.0: eth0: DEBUG: 000003ec: 00000000 00000000 00000000 00000002
Feb 12 14:08:43 my_host kernel: bnx2 0000:03:00.0: eth0: DEBUG: 0x3fc[0000ffff]
Feb 12 14:08:43 my_host kernel: bnx2 0000:03:00.0: eth0: <--- end MCP states dump --->
Feb 12 14:08:43 my_host kernel: bnx2 0000:03:00.0: eth0: NIC Copper Link is Down
Feb 12 14:08:46 my_host kernel: bnx2 0000:03:00.0: eth0: NIC Copper Link is Up, 1000 Mbps full duplex

"ip a s" shows:

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000
link/ether e8:39:35:2e:a6:24 brd ff:ff:ff:ff:ff:ff
inet network brd broadcast scope global eth0
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000
link/ether e8:39:35:2e:a6:26 brd ff:ff:ff:ff:ff:ff
inet network brd broadcast scope global eth1
4: eth2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether e8:39:35:2e:a6:28 brd ff:ff:ff:ff:ff:ff
5: eth3: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether e8:39:35:2e:a6:2a brd ff:ff:ff:ff:ff:ff

Does anyone have a idea?

Greetz Tim