On 12/04/2012 06:21 PM, Ben Greear wrote:
> On 12/04/2012 05:48 PM, Hisashi T Fujinaka wrote:
>> On Wed, 5 Dec 2012, Skidmore, Donald C wrote:
>>
> Looking for something like 'lspci -vv'?
That shows some 'Capabilities' mentioning 5GT/s, but is that just what the
NIC is theoretica
On 12/04/2012 05:48 PM, Hisashi T Fujinaka wrote:
> On Wed, 5 Dec 2012, Skidmore, Donald C wrote:
>
Looking for something like 'lspci -vv'?
>>>
>>> That shows some 'Capabilities' mentioning 5GT/s, but is that just what the
>>> NIC is theoretically capable of, or it's current negotiated speed?
On Wed, 5 Dec 2012, Skidmore, Donald C wrote:
>>> Looking for something like 'lspci -vv'?
>>
>> That shows some 'Capabilities' mentioning 5GT/s, but is that just what the
>> NIC is theoretically capable of, or it's current negotiated speed?
>>
>
> My understanding was it displayed it's current neg
> -Original Message-
> From: Ben Greear [mailto:gree...@candelatech.com]
> Sent: Tuesday, December 04, 2012 5:35 PM
> To: Skidmore, Donald C
> Cc: e1000-devel list
> Subject: Re: [E1000-devel] Question on ixgbe and bus speed/width.
>
> On 12/04/2012 05:27 PM,
On 12/04/2012 05:27 PM, Skidmore, Donald C wrote:
>> -Original Message-
>> From: Ben Greear [mailto:gree...@candelatech.com]
>> Sent: Tuesday, December 04, 2012 5:19 PM
>> To: e1000-devel list
>> Subject: [E1000-devel] Question on ixgbe and bus speed/width.
> -Original Message-
> From: Ben Greear [mailto:gree...@candelatech.com]
> Sent: Tuesday, December 04, 2012 5:19 PM
> To: e1000-devel list
> Subject: [E1000-devel] Question on ixgbe and bus speed/width.
>
> I'm testing a 4 port 10G NIC (ixgbe) in a pci-e gen3
I'm testing a 4 port 10G NIC (ixgbe) in a pci-e gen3 motherboard.
On most boots, all 4 ports show 5GT/s x8 bus, but on at least one boot,
two of the NICs came up as 5GT/s and x4. It took a long time to notice this
was the
problem that caused poor performance.
Is there a way in ethtool, or anoth
