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

[Matthieu Patou <mat+Informatique.xen@xxxxxxxxx>]

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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