From owner-freebsd-hackers  Wed Aug 28 13:46:36 2002
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Date: Wed, 28 Aug 2002 13:46:33 -0700 (PDT)
From: Nate Lawson <nate@root.org>
To: Bruce M Simpson <bms@spc.org>
Cc: hackers@freebsd.org, hardware@freebsd.org,
	Dan Larsson <dl@tyfon.net>
Subject: Re: Getting /dev/smb* to work.
In-Reply-To: <20020828100722.GH24795@spc.org>
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On Wed, 28 Aug 2002, Bruce M Simpson wrote:
> On Wed, Aug 28, 2002 at 12:01:15AM +0200, Dan Larsson wrote:
> > While trying to get hardware monitoring to work on my computer I
> > found the below procedure to enable the smbus device.
> > It didn't get me any closer to actually monitoring the hardware with
> > xbmon, lmmon or healthd. But the device is there.
> 
> I'd like to add to this. uname is:
> FreeBSD triage.dollah.com 4.6-STABLE FreeBSD 4.6-STABLE #1: Sun Aug 25 11:23:33 BST 2002     root@triage.dollah.com:/usr/src/sys/compile/TRIAGE  i386
> 
> pcib0: <Intel 82443BX (440 BX) host to PCI bridge> on motherboard
> ...
> intpm0: <Intel 82371AB Power management controller> port 0x1040-0x104f irq 9 at device 7.3 on pci0
> intpm0: I/O mapped 1040
> intpm0: intr IRQ 9 enabled revision 0
> smbus0: <System Management Bus> on intsmb0
> smb0: <SMBus general purpose I/O> on smbus0
> intpm0: PM I/O mapped 8000 
> 
> This supports APM just fine, but SMB goes nowhere. Any clues? When ktracing
> processws which use /dev/smb0, it seems that the ioctls simply don't
> get handled. I assume this is because something somewhere didn't attach.
> >From the above dmesg output I'd infer that nothing's being seen on the smbus.

What error is open or ioctl returning in your ktrace?  EINVAL?  boot -v
will give you more info about the attach progress.

-Nate


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