IPMI doesn't work...

[Jeff]

so i poked through the broadcom driver code for linux  
(http://www.broadcom.com/drivers/downloaddrivers.php) and found quite a 
few mentions of ASF/IPMI in the code.  a little research shows that the 
Alert Standard Forum (ASF) defines the Remote Management Control Packet 
(RMCP)  used in IPMI-over-LAN.  see the readme for ipmitool:

http://cvs.sourceforge.net/viewcvs.py/ipmitool/ipmitool/README?rev=1.2&view=markup

the readme also says the address of the bmc must be the same as that of 
the system (as someone mentioned earlier), but i've found this not to be 
the case on other platforms.  it makes a lot of sense to not tie the two 
addresses together.  a change in ip

unfortunateley, i'm no driver coder or i'd attempt a patch...



Michael Vince wrote:

> Just out of interest has any one got serial console to work with this 
> IPMI stuff?
> I was looking at regular 9pin serial alternatives since Dell machines 
> normally only have 1 serial port and I prefer 2.
>
> Regards,
> Mike
>
> Bruce M Simpson wrote:
>
>> On Mon, Mar 14, 2005 at 04:26:16PM -0800, Jeff wrote:
>>  
>>
>>> I don't think it's the case of the OS turning off the NIC.  We can 
>>> access/monitor/control the chassis via the BMC fine through the bios 
>>> assigned IP address when the computer is off, and when it is 
>>> booting, but lose control when the kernel loads (the bios assigned 
>>> ip address is, of course, different from what OS assigns).  It seems 
>>> odd to me how the BMC shares the NIC, but maybe this is normal...I'm 
>>> new to IPMI.
>>>   
>>
>>
>> I can only speak for looking at the Intel gigabit chip datasheets and
>> our em(4) driver somewhat, but there are registers which control the
>> 'pass through' which IPMI uses. It could be that the bge driver is
>> unaware of the registers Broadcom added to support IPMI.
>>
>> In this case we'd need to find out what they are and teach the driver
>> not to meddle with them.
>>
>> Regards,
>> BMS
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>>
>