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Date:      Tue, 24 May 2005 16:15:17 +0200
From:      Andrea Riela <ml@nesys.it>
To:        freebsd-questions@freebsd.org
Subject:   about SMBus and IBM xSeries 226 (type 8648)
Message-ID:  <b224138cc0b2245d405abb4203b88092@nesys.it>

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Hi folks,

I've that SMBus controller:

ichsmb0: <Intel 82801EB (ICH5) SMBus controller> port 0x1100-0x111f irq 
10 at device 31.3 on pci0
smbus0: <System Management Bus> on ichsmb0
smb0: <SMBus generic I/O> on smbus0
ichsmb0: irq 0x04 during -1
ichsmb0: irq 0x04 during -1

but with mbmon:

asclepius# mbmon -d
SMBus[Intel8XX(ICH/ICH2/ICH3/ICH4/ICH5/ICH6)] found, but No HWM 
available on it!!
No Hardware Monitor found!!
InitMBInfo: Unknown error: 0

with lmmon:

asclepius# lmmon -s
  Motherboard Temp               Voltages

  255C / 491F / 528K        Vcore1:   +3.984V
                            Vcore2:   +3.984V
     Fan Speeds             + 3.3V:   +3.984V
                            + 5.0V:   +6.654V
     1:    0 rpm            +12.0V:  +15.938V
     2:    0 rpm            -12.0V:  -15.938V
     3:    0 rpm            - 5.0V:   -6.654V

and with healtd:

asclepius# healthd -D
************************
* Hardware Information *
************************
Unknown Vendor: ID = FFFF
************************

Temp.= 255.0,  0.0,  0.0; Rot.=    0,    0,    0
  Vcore = 4.08, 4.08; Volt. = 4.08, 6.85, 15.50, -14.16, -6.12

asclepius# healthd -S
ioctl(SMB_WRITEB): Permission denied

Well, what could I do?

I've created a kernel with:

device          smb
device          smbus
device          ichsmb

device          iic
device          iicbus
device          iicbb
device          iicsmb

and I've added in my /boot/loader.conf:

debug.acpi.disabled="sysresource"

However if I try to see informations about thermals with sysctl:

asclepius# sysctl hw.acpi.thermal
sysctl: unknown oid 'hw.acpi.thermal'
asclepius# sysctl hw.acpi
hw.acpi.supported_sleep_state: S4 S5
hw.acpi.power_button_state: S5
hw.acpi.sleep_button_state: S4
hw.acpi.lid_switch_state: NONE
hw.acpi.standby_state: S1
hw.acpi.suspend_state: S3
hw.acpi.sleep_delay: 1
hw.acpi.s4bios: 0
hw.acpi.verbose: 0
hw.acpi.reset_video: 1
hw.acpi.cpu.cx_supported: C1/0
hw.acpi.cpu.cx_lowest: C1
hw.acpi.cpu.cx_usage: 100.00%


Where is my mistake? something wrong?
Thanks for your suggestions
Regards
Andrea
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