The IPMI firmware runs separate from the main CPU, so system memory is
outside its scope.  The main CPU may not even be powered up, BTW.  
AFAIK, the only way to access system memory through IPMI would be to
send an IPMI SMS command that could be forwarded to a listening process
running in the OS.  

But note that system memory events, like DIMM ECC errors, could be
logged into the IPMI SEL, if the BIOS is IPMI-aware.  

Andy

-----Original Message-----
From: Corey Minyard [mailto:[email protected]] 
Sent: Monday, March 01, 2010 8:44 AM
To: Jim Spadaro
Cc: [email protected]
Subject: Re: [Openipmi-developer] Can IPMI read system memory?

Jim Spadaro wrote:
> I was wondering if the IPMI device is capable of reading memory from
> the host, either via DMA, SMBus, i2c, or some other mechanism?
>   
It could theoretically be done, I guess, but I strongly doubt it 
exists.  I haven't seen it, and it's not in the standard.

-corey

------------------------------------------------------------------------
------
Download Intel® Parallel Studio Eval
Try the new software tools for yourself. Speed compiling, find bugs
proactively, and fine-tune applications for parallel performance.
See why Intel Parallel Studio got high marks during beta.
http://p.sf.net/sfu/intel-sw-dev
_______________________________________________
Openipmi-developer mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/openipmi-developer



------------------------------------------------------------------------------
Download Intel® Parallel Studio Eval
Try the new software tools for yourself. Speed compiling, find bugs
proactively, and fine-tune applications for parallel performance.
See why Intel Parallel Studio got high marks during beta.
http://p.sf.net/sfu/intel-sw-dev
_______________________________________________
Openipmi-developer mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/openipmi-developer

Reply via email to