Hello,
I recently aquired a Lenovo (IBM) T60 with a e1000 network card. I
experience high latency with this networkcard: Pings last upto 1 second
where the ping should be around 25 ms. I googled a bit and found the
following:
- Enable NAPI, which didn't worked for me.
64 bytes from 192.168.0.223: icmp_seq=30 ttl=64 time=1004 ms
64 bytes from 192.168.0.223: icmp_seq=31 ttl=64 time=0.444 ms
64 bytes from 192.168.0.223: icmp_seq=32 ttl=64 time=1006 ms
64 bytes from 192.168.0.223: icmp_seq=33 ttl=64 time=0.739 ms
64 bytes from 192.168.0.223: icmp_seq=34 ttl=64 time=1006 ms
64 bytes from 192.168.0.223: icmp_seq=35 ttl=64 time=0.603 ms
64 bytes from 192.168.0.223: icmp_seq=36 ttl=64 time=1001 ms
64 bytes from 192.168.0.223: icmp_seq=37 ttl=64 time=0.736 ms
02:00.0 Ethernet controller: Intel Corporation 82573L Gigabit Ethernet
Controller
Subsystem: Lenovo Unknown device 2001
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: 64 bytes
Interrupt: pin A routed to IRQ 98
Region 0: Memory at ee000000 (32-bit, non-prefetchable) [size=128K]
Region 2: I/O ports at 3000 [size=32]
Capabilities: [c8] 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: [d0] Message Signalled Interrupts: 64bit+ Queue=0/0
Enable+
Address: 00000000fee00000 Data: 4062
Capabilities: [e0] Express Endpoint IRQ 0
Device: Supported: MaxPayload 256 bytes, PhantFunc 0, ExtTag-
Device: Latency L0s <512ns, L1 <64us
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 L1, Port 0
Link: Latency L0s <128ns, L1 <64us
Link: ASPM L1 Enabled RCB 64 bytes CommClk+ ExtSynch-
Link: Speed 2.5Gb/s, Width x1
Capabilities: [100] Advanced Error Reporting
Capabilities: [140] Device Serial Number 91-9c-58-ff-ff-41-16-00
Any ideas?
Thomas
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