Try adding "slave_addrs=0":
rmmod ipmi_si
modprobe ipmi_si type=kcs ports=0xca2 slave_addrs=0
... to match what your DMI data shows.
>Bela<
----- Original Message -----
>
> Hi Corey,
>
> Thanks again for your help.
>
> When I try to hot-add the device, I have the following error in the
> kernel log :
>
> Aug 1 10:13:13 kernel: ipmi_si: Adding hotmod-specified kcs state
> machine
> Aug 1 10:13:13 kernel: ipmi_si: Trying hotmod-specified kcs state
> machine at i/o address 0xca2, slave address 0x20, irq 0
> Aug 1 10:13:13 kernel: ipmi_si: Interface detection failed
>
> When I try the other solution, it does not work.
>
> Any other ideas ?
>
>
> On 07/29/2011 03:57 PM, Corey Minyard wrote:
> > On 07/29/2011 03:50 AM, Bob Sauvage wrote:
> >> Hello Jan and Corey,
> >>
> >> First of all, thanks for the provided information.
> >>
> >> The ipmi service is started :
> >>
> >> *service ipmi status*
> >>
> >> ipmi_msghandler module loaded.
> >> ipmi_si module loaded.
> >> ipmi_devintf module loaded.
> >> /dev/ipmi0 does not exist.
> >>
> >> *Modules are loaded : *
> >>
> >> Module Size Used by
> >> ipmi_devintf 7983 0
> >> ipmi_si 42399 0
> >> ipmi_msghandler 35958 2 ipmi_devintf,ipmi_si
> >>
> >> *dmidecode :*
> >>
> >> System Information
> >> Manufacturer: Supermicro
> >> Product Name: X8SIL
> >>
> >> IPMI Device Information
> >> Interface Type: KCS (Keyboard Control Style)
> >> Specification Version: 2.0
> >> I2C Slave Address: 0x00
> >> NV Storage Device: Not Present
> >> Base Address: 0x0000000000000CA2 (Memory-mapped)
> >> Register Spacing: Successive Byte Boundaries
> >>
> >> *Kernel log : *
> >>
> >> jul 29 10:39:32 kernel: ipmi message handler version 39.2
> >> Jul 29 10:39:32 kernel: IPMI System Interface driver.
> >> Jul 29 10:39:32 kernel: ipmi_si: Adding SMBIOS-specified kcs
> >> state
> >> machine
> >> Jul 29 10:39:32 kernel: ipmi_si: Trying SMBIOS-specified kcs
> >> state
> >> machine at mem address 0xca2, slave address 0x0, irq 0
> >> Jul 29 10:39:32 kernel: Could not set up I/O space
> > This is the issue. It looks like a bug in your DMI information.
> > Notice that it say the address is 0xca2 and it is memory mapped.
> > That
> > is almost certainly wrong, as you would never have a memory mapped
> > device at that address. It's almost certainly I/O mapped.
> >
> > You can attempt to work around this by specifying "type=kcs
> > ports=0xca2" when modprob-ing ipmi_si:
> >
> > rmmod ipmi_si
> > modprobe ipmi_si type=kcs ports=0xca2
> >
> > Alternately, you can hot-add the device to the running driver
> > using:
> >
> > echo "add,kcs,i/o,0xca2" >/sys/module/ipmi_si/parameters/hotmod
> >
> > And of course, you can complain to your motherboard vendor.
> >
> > -corey
>
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