linux-kernel - Re: 1000xf bus problem

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Message-id: <45FDA668.1090202@intel.com>
Date:	Sun, 18 Mar 2007 13:51:52 -0700
From:	"Kok, Auke" <auke-jan.h.kok@...el.com>
To:	Robert Hancock <hancockr@...w.ca>
Cc:	Greg.Chandler@...lsfargo.com,
	linux-kernel <linux-kernel@...r.kernel.org>,
	e1000-devel@...ts.sourceforge.net
Subject: Re: 1000xf bus problem

Robert Hancock wrote:
> 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?

what is the dmesh output of e1000 ? it should show you what the card itself 
detects (at least the newer drivers since 7.0.x all do). This may provide some 
clues as to what the card has detected.

Auke
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