PE 1850/2800: BIOS A06 and IPMI access

Sébastien Estienne sebastien.estienne at gmail.com
Mon Jan 1 09:26:03 CST 2007


Bram Metsch a écrit :
> Hi,
> 
> after upgrading the BIOS to revision A06, the kernel cannot find the IPMI
> device any more:
> 
> prompt# modprobe ipmi_si
> FATAL: Error inserting ipmi_si (/lib/modules/2.6.15-26-amd64-server/kernel/drivers/char/ipmi/ipmi_si.ko): No such device
> 
> I use the following parameters for the ipmi device:
> 
> options ipmi_si type="kcs" ports="0xca8" regspacings="4"
> 
> which work perfectly for BIOS revision A04
> 
> dmesg tells me:
> 
> [1831781.675142] IPMI System Interface driver.
> [1831781.675151] ipmi_si: Trying "kcs" at I/O port 0xca8
> [1831781.675157]  Could not set up I/O space
> [1831781.687878] Trying to free nonexistent resource <00000ca8-00000cac>
> [1831781.687902] ipmi_si: Unable to find any System Interface(s)
> 
> dmidecode says:
> 
> IPMI Device Information
>         Interface Type: KCS (Keyboard Control Style)
>         Specification Version: 1.5
>         I2C Slave Address: 0x10
>         NV Storage Device: Not Present
>         Base Address: 0x0000000000000CA8 (I/O)
>         Register Spacing: 32-bit Boundaries
> 
> so the base address should be OK
> 
> Thanks in advance for any help.

do you boot your kernel with pnpacpi=off ?
this is needed for kernel < 2.6.17
http://linux.dell.com/ipmi.shtml

> 
> Best regards,
> 
> Bram.
> 
> 
> 



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