DELL R710使用的bcm

台式机：DELL R710,
系统：ubuntu-12.04.5 LTS desktop
一次掉电后设备完全不能使用，所有网卡eth0-eth2完全不正确显示，只剩下local host 127.0.0.1
使用/etc/init.d/networking restart命令报出

can not find device eth0

在/etc/network/interface 中正确配置了相应的参数（原本可用）

在对应的位置所需.ko文件存在，并且成功加载，能看到对应的dmesg中的log

[ 2.787507] bnx2: Broadcom NetXtreme II Gigabit Ethernet Driver bnx2 v2.1.11 (July 20, 2011)
[ 2.787555] bnx2 0000:01:00.0: PCI INT A -> GSI 36 (level, low) -> IRQ 36
[ 2.787566] bnx2 0000:01:00.0: setting latency timer to 64
[ 2.791131] bnx2 0000:01:00.0: eth0: Broadcom NetXtreme II BCM5709 1000Base-T (C0) PCI Express found at mem d6000000, IRQ 36, node addr d4:ae:52:66:76:22
[ 2.791190] bnx2 0000:01:00.1: PCI INT B -> GSI 48 (level, low) -> IRQ 48
[ 2.791201] bnx2 0000:01:00.1: setting latency timer to 64
[ 2.792300] bnx2 0000:01:00.1: eth1: Broadcom NetXtreme II BCM5709 1000Base-T (C0) PCI Express found at mem d8000000, IRQ 48, node addr d4:ae:52:66:76:24
[ 2.792341] bnx2 0000:02:00.0: PCI INT A -> GSI 32 (level, low) -> IRQ 32
[ 2.792350] bnx2 0000:02:00.0: setting latency timer to 64
[ 2.792582] megasas: 00.00.06.12-rc1 Wed. Oct. 5 17:00:00 PDT 2011
[ 2.792610] megasas: 0x1000:0x0060:0x1028:0x1f0c: bus 3:slot 0:func 0
[ 2.792632] megaraid_sas 0000:03:00.0: PCI INT A -> GSI 33 (level, low) -> IRQ 33
[ 2.792638] megaraid_sas 0000:03:00.0: setting latency timer to 64
[ 2.792893] megasas: FW now in Ready state
[ 2.793370] bnx2 0000:02:00.0: eth2: Broadcom NetXtreme II BCM5709 1000Base-T (C0) PCI Express found at mem da000000, IRQ 32, node addr d4:ae:52:66:76:26
[ 2.793411] bnx2 0000:02:00.1: PCI INT B -> GSI 42 (level, low) -> IRQ 42
[ 2.793422] bnx2 0000:02:00.1: setting latency timer to 64
[ 2.794521] bnx2 0000:02:00.1: eth3: Broadcom NetXtreme II BCM5709 1000Base-T (C0) PCI Express found at mem dc000000, IRQ 42, node addr d4:ae:52:66:76:28

重新加载后仍然不可用

网卡型号为：bcm5709

请各位高手指教^_^

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