[CentOS] An odd IPMI problem

Peter Kjellstrom cap at nsc.liu.se
Thu Mar 11 07:52:04 UTC 2010


On Wednesday 10 March 2010, m.roth at 5-cent.us wrote:
...
> $ insmod
> /lib/modules/2.6.18-164.11.1.el5/kernel/drivers/char/ipmi/ipmi_si.ko
> ports=0xca2 slave_addrs=0x10
> insmod: error inserting
> '/lib/modules/2.6.18-164.11.1.el5/kernel/drivers/char/ipmi/ipmi_si.ko': -1
> No such device
>
> and in the log
> Mar 10 11:24:36 south kernel: IPMI System Interface driver.
> Mar 10 11:24:36 south kernel: ipmi_si: Trying hardcoded-specified kcs
> state machine at i/o address 0xca2, slave address 0x0, irq 0
> Mar 10 11:26:28 south kernel: ipmi_si: There appears to be no BMC at this
> location
> Mar 10 11:26:28 south kernel: ipmi_si: Trying SMBIOS-specified kcs state
> machine at i/o address 0xca2, slave address 0x20, irq 0
> Mar 10 11:28:20 south kernel: ipmi_si: There appears to be no BMC at this
> location
> Mar 10 11:30:12 south kernel: ipmi_si: Unable to find any System
> Interface(s)

Seems to me that the IPMI driver can't find the IPMI hardware. What kind of 
server are you trying this on? Is it known to work with the IPMI-driver in 
vanilla CentOS-5.4?

/Peter

> Notice that it's looking at slave_addrs of 0x0 and 0x20, *not* 0x10.
>
> Any clues?
>
>          mark
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