linux-kernel - RE: 1000xf bus problem

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Message-ID: <E8C008223DD5F64485DFBDF6D4B7F71D0289EDBF@msgswbmnmsp25.wellsfargo.com>
Date:	Sun, 18 Mar 2007 21:53:09 -0500
From:	<Greg.Chandler@...lsfargo.com>
To:	<hancockr@...w.ca>, <linux-kernel@...r.kernel.org>
Cc:	<e1000-devel@...ts.sourceforge.net>
Subject: RE: 1000xf bus problem


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@...w.ca] 
Sent: Sunday, March 18, 2007 2:41 PM
To: Chandler, Greg; linux-kernel
Cc: e1000-devel@...ts.sourceforge.net
Subject: Re: 1000xf bus problem

Greg.Chandler@...lsfargo.com 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@...pamshaw.ca Home Page:
http://www.roberthancock.com/



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