Re: 82571EB: Detected Hardware Unit Hang

[Joe Jin]

On 11/14/12 11:45, Dave, Tushar N wrote:
>> -----Original Message-----
>> From: Joe Jin [mailto:joe.jin@xxxxxxxxxx]
>> Sent: Tuesday, November 13, 2012 6:48 PM
>> To: Dave, Tushar N
>> Cc: e1000-devel@xxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx; linux-
>> kernel@xxxxxxxxxxxxxxx; Mary Mcgrath
>> Subject: Re: 82571EB: Detected Hardware Unit Hang
>>
>> On 11/09/12 04:35, Dave, Tushar N wrote:
>>> All devices in path from root complex to 82571, should have *same* max
>> payload size otherwise it can cause hang.
>>> Can you double check this?
>>
>> Hi Tushar,
>>
>> Checked with hardware vendor and they said no way to modify the max
>> payload size from BIOS, can I modify it from driver side?
> 
> If you want to change value for 82571 device you can do it from eeprom but for other upstream devices I am not sure. I will check with my team.

Hi Tushar,

Would you please help to fine the offset of max payload size in eeprom?
I'd like to have a try to modify it by ethtool.

Thanks in advance,
Joe
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