panic in 8-CURRENT / BGE hang

[JoaoBR]

On Wednesday 24 October 2007 21:04:46 Jung-uk Kim wrote:
> For remote server management, there are two major APIs:
>
> ASF by DMTF:
> http://www.dmtf.org/standards/asf/
>
> IPMI by Intel:
> http://www.intel.com/design/servers/ipmi/
>
> The main goal of the two technologies is the same, i.e., out-of-band
> server management.  Both use Remote Management and Control Protocol
> (RMCP) for the network protocol but ASF is implemented on NIC
> firmware level while IPMI is implemented on baseboard management
> controller (BMC).  Now BCM57xx firmware has built-in ASF stack and
> the interface can be shared with BMC.  If there is a BMC on-board and
> network controller is shared, obviously you cannot just reset the
> controller, etc.  You have to 'tell' the firmware that you are about
> to do critical things, such as reset, start, stop, link negotiation,
> etc, so that it can communicate with BMC beforehand.  If you turn on
> hw.bge.allow_asf, it does just that.  Unfortunately, it does not work
> for all systems in the real world because they are not created equal,
> e.g., different spec. revisions, hardware implementations, firmware,
> BIOS, etc.  Basically some system fails *without* it while some
> system fails *with* it.  Hence, the tunable was necessary.  At least,
> that is how I understand it.


thank you, that was great 

but would really not harm to put something about resumed into the man page

-- 

João







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