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Re: [Xen-users] slow network with gplpv drivers in vlan setup

Hi James,
On 10/02/2010 15:29, James Harper wrote:
04:00.1 Ethernet controller: Intel Corporation 80003ES2LAN Gigabit
Ethernet Controller (Copper) (rev 01)
      Subsystem: Intel Corporation Device 0000
      Flags: bus master, fast devsel, latency 0, IRQ 19
      Memory at d8020000 (32-bit, non-prefetchable) [size=128K]
      I/O ports at 3020 [size=32]
      Capabilities: [c8] Power Management version 2
      Capabilities: [d0] Message Signalled Interrupts: Mask- 64bit+
Queue=0/0 Enable-
      Capabilities: [e0] Express Endpoint, MSI 00
      Capabilities: [100] Advanced Error Reporting<?>
      Capabilities: [140] Device Serial Number 87-95-76-ff-ff-81-e0-00
      Kernel driver in use: e1000e
      Kernel modules: e1000e

04:00.1 0200: 8086:1096 (rev 01)
      Subsystem: 8086:0000
      Flags: bus master, fast devsel, latency 0, IRQ 19
      Memory at d8020000 (32-bit, non-prefetchable) [size=128K]
      I/O ports at 3020 [size=32]
      Capabilities: [c8] Power Management version 2
      Capabilities: [d0] Message Signalled Interrupts: Mask- 64bit+
Queue=0/0 Enable-
      Capabilities: [e0] Express Endpoint, MSI 00
      Capabilities: [100] Advanced Error Reporting<?>
      Capabilities: [140] Device Serial Number 87-95-76-ff-ff-81-e0-00
      Kernel driver in use: e1000e
      Kernel modules: e1000e
Are the adapters in both systems identical in terms of lspci output?
Here is the result on the second server:
04:00.0 Ethernet controller: Intel Corporation 80003ES2LAN Gigabit Ethernet Controller (Copper) (rev 01)
    Subsystem: Intel Corporation Device 0000
    Flags: bus master, fast devsel, latency 0, IRQ 18
    Memory at d8000000 (32-bit, non-prefetchable) [size=128K]
    I/O ports at 3000 [size=32]
    Capabilities: [c8] Power Management version 2
Capabilities: [d0] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable-
    Capabilities: [e0] Express Endpoint, MSI 00
    Capabilities: [100] Advanced Error Reporting <?>
    Capabilities: [140] Device Serial Number 93-95-76-ff-ff-81-e0-00
    Kernel driver in use: e1000e
    Kernel modules: e1000e

04:00.1 Ethernet controller: Intel Corporation 80003ES2LAN Gigabit Ethernet Controller (Copper) (rev 01)
    Subsystem: Intel Corporation Device 0000
    Flags: bus master, fast devsel, latency 0, IRQ 19
    Memory at d8020000 (32-bit, non-prefetchable) [size=128K]
    I/O ports at 3020 [size=32]
    Capabilities: [c8] Power Management version 2
Capabilities: [d0] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable-
    Capabilities: [e0] Express Endpoint, MSI 00
    Capabilities: [100] Advanced Error Reporting <?>
    Capabilities: [140] Device Serial Number 93-95-76-ff-ff-81-e0-00
    Kernel driver in use: e1000e
    Kernel modules: e1000e

Looks pretty the same.

I'm wondering if you have an idea to fix the problem on the dell workstation, or maybe how the ethtool -k/-i should looks like in order to have chance for offloading to work.

Matthieu.

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