Loadable SMBus modules regression in 6-STABLE -> 6-BETA

[Ulrich Spoerlein]

On 9/27/06, Ulrich Spoerlein <uspoerlein at gmail.com> wrote:
>
> I'm sorry to hijack this thread, but what's the recommended way to read
> out temperature values via SMB?
>
> ichsmb0 at pci0:31:3:      class=0x0c0500 card=0x618015d9 chip=0x24d38086
> rev=0x02 hdr=0x00
>     vendor   = 'Intel Corporation'
>     device   = '82801EB/ER (ICH5/ICH5R) SMBus Controller'
>     class    = serial bus
>     subclass = SMBus
>
> ichsmb0: <Intel 82801EB (ICH5) SMBus controller> port 0x1100-0x111f irq 17
> at device 31.3 on pci0
> ichsmb0: [GIANT-LOCKED]
> smbus0: <System Management Bus> on ichsmb0
>
> # mbmon -d
> ioctl(smb0:open): No such file or directory
> SMBus[Intel8XX(ICH/ICH2/ICH3/ICH4/ICH5/ICH6)] found, but No HWM available
> on it!!
> No Hardware Monitor found!!
> InitMBInfo: Bad file descriptor
> # ls /dev/smb*
> ls: No match.
> # sysctl -a|grep smb
> dev.ichsmb.0.%desc: Intel 82801EB (ICH5) SMBus controller
> dev.ichsmb.0.%driver: ichsmb
> dev.ichsmb.0.%location: slot=31 function=3 handle=\_SB_.PCI0.SMBS
> dev.ichsmb.0.%pnpinfo: vendor=0x8086 device=0x24d3 subvendor=0x15d9
> subdevice=0x6180 class=0x0c0500
> dev.ichsmb.0.%parent: pci0
> dev.smbus.0.%desc: System Management Bus
> dev.smbus.0.%driver: smbus
> dev.smbus.0.%parent: ichsmb0
>

Ok, forget about the 'ls /dev/smb', the /dev/smb0 device is actually there,
it's just devfs that set me up again. I also found sysutils/lmmon to give me
some sane values, however the temperature values are way off:

MB temp:
254C / 489F / 527K
Fans:
  1 :    0 rpm
  2 :    0 rpm
  3 :    0 rpm
Voltages:
  Vcore1 :  +2.703V
  Vcore2 :  +2.750V
  + 3.3V :  +2.750V
  + 5.0V :  +4.906V
  +12.0V : +11.812V
  -12.0V : -11.938V
  - 5.0V :  -5.114V