[PATCH] nForce2 SMBus support - nForce3/4 support added. Not tested yet

Marius Strobl marius at alchemy.franken.de
Fri Dec 9 04:35:30 PST 2005

On Fri, Dec 09, 2005 at 02:50:53PM +0300, Artemiev Igor wrote:
> On Thu, 08 Dec 2005 13:15:57 -0600
> "Jeremy Messenger" <mezz7 at cox.net> wrote:
> > I can see /dev/smb* now, but I still can't use -S in mbmon.
> > # mbmon -S
> > No SMBus HWM available!!
> > InitMBInfo: Unknown error: 0
> Try invoke mbmon with -p <chip>. Mbmon doesn`t know your monitor chip.
> > Have you tried to do the kldunload amdpm yet? It will get FreeBSD
> > crash and forced me to reboot. I don't have any debug in my kernel,
> > so I can't provide the backtraces. Does amdpm needs the iic* stuff? I
> > remember that one of my dead motherboard that use viapm required the
> > iic* stuff.
> It`s strange. kldunload is working in my case. Could your provide kernel
> backtrace?

I guess the problem is that mbmon was compiled without SMBus support.
The xmbmon port checks for the presence of <machine/smb.h> in order
to determine whether to enable SMBus support but apparently that
header was renamed to <dev/smbus/smb.h> sometime while FreeBSD 5


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