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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