QUOTE:原帖由 "ljily000" 发表：
有的主板两个网卡都是一样的芯片！
那你一样可以dmesg在最后一部分找:
eth0: Tigon3 [partno(BCM95721) rev 4101 PHY(5750)] (PCIX:100MHz:32-bit) 10/100/1000BaseT Ethernet 00:11:25:41:5b:5c
eth0: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[1] Split[0] WireSpeed[1] TSOcap[1]
ACPI: PCI interrupt 0000:08:00.0[A] ->; GSI 16 (level, low) ->; IRQ 169
PCI: Setting latency timer of device 0000:08:00.0 to 64
divert: allocating divert_blk for eth1
eth1: Tigon3 [partno(BCM95721) rev 4101 PHY(5750)] (PCIX:100MHz:32-bit) 10/100/1000BaseT Ethernet 00:11:25:41:5b:5d
eth1: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[1] Split[0] WireSpeed[1] TSOcap[1]
hw_random hardware driver 1.0.0 loaded
ACPI: PCI interrupt 0000:00:1d.7[D] ->; GSI 23 (level, low) ->; IRQ 185
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看到IRQ的区别没?如果要更详细的信息,可以用lspci -vv:
07:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5721 Gigabit Ethernet PCI Express (rev 11)
Subsystem: IBM: Unknown device 02c6
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=fast >;TAbort- <TAbort- <MAbort- >;SERR- <PERR-
Latency: 0, Cache Line Size 10
Interrupt: pin A routed to IRQ 169
Region 0: Memory at caff0000 (64-bit, non-prefetchable) [size=64K]
Capabilities: [48] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=1 PME-
Capabilities: [50] Vital Product Data
Capabilities: [58] Message Signalled Interrupts: 64bit+ Queue=0/3 Enable-
Address: 200000a012000000 Data: 0a01
Capabilities: [d0] Express Endpoint IRQ 0
Device: Supported: MaxPayload 128 bytes, PhantFunc 0, ExtTag+
Device: Latency L0s <4us, L1 unlimited
Device: AtnBtn- AtnInd- PwrInd-
Device: Errors: Correctable- Non-Fatal- Fatal- Unsupported-
Device: RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
Device: MaxPayload 128 bytes, MaxReadReq 4096 bytes
Link: Supported Speed 2.5Gb/s, Width x1, ASPM L0s, Port 0
Link: Latency L0s <2us, L1 <64us
Link: ASPM Disabled RCB 64 bytes CommClk- ExtSynch-
Link: Speed 2.5Gb/s, Width x1
Capabilities: [100] Advanced Error Reporting
Capabilities: [13c] Virtual Channel
08:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5721 Gigabit Ethernet PCI Express (rev 11)
Subsystem: IBM: Unknown device 02c6
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=fast >;TAbort- <TAbort- <MAbort- >;SERR- <PERR-
Latency: 0, Cache Line Size 10
Interrupt: pin A routed to IRQ 169
Region 0: Memory at c8ff0000 (64-bit, non-prefetchable) [size=64K]
Capabilities: [48] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=1 PME-
Capabilities: [50] Vital Product Data
Capabilities: [58] Message Signalled Interrupts: 64bit+ Queue=0/3 Enable-
Address: 0014008010000000 Data: 0000
Capabilities: [d0] Express Endpoint IRQ 0
Device: Supported: MaxPayload 128 bytes, PhantFunc 0, ExtTag+
Device: Latency L0s <4us, L1 unlimited
Device: AtnBtn- AtnInd- PwrInd-
Device: Errors: Correctable- Non-Fatal- Fatal- Unsupported-
Device: RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
Device: MaxPayload 128 bytes, MaxReadReq 512 bytes
Link: Supported Speed 2.5Gb/s, Width x1, ASPM L0s, Port 0
Link: Latency L0s <2us, L1 <64us
Link: ASPM Disabled RCB 64 bytes CommClk- ExtSynch-
Link: Speed 2.5Gb/s, Width x1
Capabilities: [100] Advanced Error Reporting
Capabilities: [13c] Virtual Channel
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