Date: Sat, 30 Aug 2008 12:05:34 -0400 From: "Jonathan Bond-Caron" <jbondc@gmail.com> To: "'Jeremy Chadwick'" <koitsu@FreeBSD.org>, "'Zaphod Beeblebrox'" <zbeeble@gmail.com> Cc: freebsd-stable@freebsd.org Subject: RE: IPMI and Dell ERA/O Message-ID: <002d01c90aba$3d1aef60$b750ce20$@com> In-Reply-To: <20080829074437.GA67295@icarus.home.lan> References: <004701c90998$c9d70240$5d8506c0$@com> <5f67a8c40808282317nd523102qae37ec584f3c0d2@mail.gmail.com> <20080829074437.GA67295@icarus.home.lan>
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On Fri Aug 29 03:44 AM, Jeremy Chadwick wrote: > On Fri, Aug 29, 2008 at 02:17:17AM -0400, Zaphod Beeblebrox wrote: >> Curiously, IPMI shares the ethernet ports with the onboard ethernet >> controllers without FreeBSD's knowledge. It does use a different MAC >> address. It is also apparently capable of using vlans (haven't >> tested this yet). I'm most nervous about how this might behave if >> the port was being nailed with traffic --- but I can't easily test >> this to my satisfaction. What controls the contention for the port >> between whatever IPMI magic is going on and the OS use of the port? > > That said, the feature you're referring to (IPMI piggybacking on top > of an existing NIC on the mainboard) is called "ASF" from a NIC driver > perspective. The NIC driver for the OS *must* have full awareness of > said piggybacking, and if it doesn't, a couple different things can > happen: > Thanks for the info, the "ASF" functionality seems to be what Dell uses with the ERA/O, DRAC etc.. cards, http://www.dmtf.org/standards/documents/ASF/DSP0114.pdf (picture on page 6 says it all) Although I fixed my problem with: vi /boot/device.hints hint.ipmi.0.at=isa0 hint.ipmi.0.mode=KCS I'm curious about hw.bge.allow_asf=1 hw.bge.allow_asf=0 It doesn't seem to have any effect on a Dell 1750, any details on how it can affect IPMI, or point me to the discussions I'd like to keep http://www.freebsdwiki.net/index.php/IPMI with as much accurate information as possible
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