RE: 1000xf bus problem

From: Greg.Chandler
Date: Sun Mar 18 2007 - 22:53:38 EST



lspci -v shows the message below, and I am moving files between systems,
{from RAMdisk to RAMdisk} on idle machines.
The transfer rate is concurrent with just under the max throughput
capable on a 64-bit/66Mhz PCI socket.


-----Original Message-----
From: Robert Hancock [mailto:hancockr@xxxxxxx]
Sent: Sunday, March 18, 2007 2:41 PM
To: Chandler, Greg; linux-kernel
Cc: e1000-devel@xxxxxxxxxxxxxxxxxxxxx
Subject: Re: 1000xf bus problem

Greg.Chandler@xxxxxxxxxxxxxx wrote:
> I'm running a e1000xf adapter in a 64-bit/100Mhz PCI slot. The intel
> site shows this is a supported config for the card, but linux is
> pulling this info:
>
> ed:02.0 Ethernet controller: Intel Corporation 82544EI Gigabit
> Ethernet Controller (Fiber) (rev 02)
> Subsystem: Intel Corporation PRO/1000 XF Server Adapter
> Flags: bus master, 66Mhz, medium devsel, latency 64, IRQ 18
> Memory at f7fe0000 (64-bit, non-prefetchable) [size=128K]
> Memory at f7fc0000 (64-bit, non-prefetchable) [size=128K]
> I/O ports at 7000 [size=32]
> [virtual] Expansion ROM at f10a0000 [disabled] [size=128K]
> Capabilities: [dc] Power Management version 2
> Capabilities: [e4] PCI-X non-bridge device
> Capabilities: [f0] Message Signalled Interrupts: 64bit+
> Queue=0/0
> Enable-
>
> My thoughput tests show it is definitely not running at the 100Mhz bus

> rate is should be capable of.

How are you determining this?

> Any ideas on how to make it work at full speed?

--
Robert Hancock Saskatoon, SK, Canada
To email, remove "nospam" from hancockr@xxxxxxxxxxxxx Home Page:
http://www.roberthancock.com/



-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/