Date:	Wed, 25 Apr 2012 06:21:24 +0200
From:	Nikola Ciprich <nikola.ciprich@...uxbox.cz>
To:	minyard@....org
Cc:	Rob Herring <rob.herring@...xeda.com>,
	linux-kernel@...r.kernel.org, tcminyard@...il.com
Subject: Re: [BISECTED] ipmi_si not loading since 2.6.39

> In the previous kernel it was coming up at address 0xca2, not 0xca8.   
> Can you try that?
hmm, haven't noticed that!

here's the try:
[root@...x4 ~]# modprobe ipmi_si type=kcs addrs=0xca2 regspacings=1 regsizes=1 regshifts=0 irqs=0 slave_addrs=0x0

dmesg:
[33743.684605] IPMI System Interface driver.
[33743.684607] ipmi_si: probing via hardcoded address
[33743.684608] ipmi_si: Adding hardcoded-specified kcs state machine
[33743.684610] ipmi_si: Trying hardcoded-specified kcs state machine at mem address 0xca2, slave address 0x0, irq 0
[33743.684612] ipmi_si: Could not set up I/O space

cheers!
n.


>
> -corey
>
>
>> n.
>>
>>
>> On Tue, Apr 24, 2012 at 03:55:54PM -0500, Rob Herring wrote:
>>> On 04/24/2012 03:37 PM, Nikola Ciprich wrote:
>>>> Hi Corey,
>>>>
>>>> I have this problem with 3.4-rc4 as well and it already contains
>>>> b1608d69cb804e414d0887140ba08a9398e4e638, so this doesn't fix this problem..
>>>>
>>> Can you send the kernel log for the failing case.
>>>
>>> Rob
>>>
>>>> BR
>>>>
>>>> nik
>>>>
>>>>
>>>> On Tue, Apr 24, 2012 at 08:41:32AM -0500, Corey Minyard wrote:
>>>>> Looks like you might need change b1608d69cb804e414d0887140ba08a9398e4e638
>>>>>
>>>>> -corey
>>>>>
>>>>> On 04/23/2012 03:09 PM, Rob Herring wrote:
>>>>>> On 04/21/2012 02:20 AM, Nikola Ciprich wrote:
>>>>>>> Hi,
>>>>>>>
>>>>>>> here's further information Rob and Corey requested:
>>>>>>>
>>>>>>> on working system:
>>>>>>>
>>>>>>> [root@...x4 ~]# cat /proc/ipmi/0/params
>>>>>>> kcs,i/o,0xca2,rsp=1,rsi=1,rsh=0,irq=0,ipmb=0
>>>>>>>
>>>>>>> dmesg snippet:
>>>>>>>
>>>>>>> [   41.759319] ipmi message handler version 39.2
>>>>>>> [   41.760690] ipmi device interface
>>>>>>> [   42.765334] IPMI System Interface driver.
>>>>>>> [   42.765336] ipmi_si: probing via hardcoded address
>>>>>>> [   42.765337] ipmi_si: Adding hardcoded-specified kcs state machine
>>>>>>> [   42.765340] ipmi_si: Trying hardcoded-specified kcs state machine at i/o address 0xca8, slave address 0x0, irq 0
>>>>>>> [   42.765344] ipmi_si: Interface detection failed
>>>>>>> [   42.770823] ipmi_si: probing via SMBIOS
>>>>>>> [   42.770834] ipmi_si: SMBIOS: io 0xca2 regsize 1 spacing 1 irq 0
>>>>>>> [   42.770836] ipmi_si: Adding SMBIOS-specified kcs state machine
>>>>>>> [   42.770838] ipmi_si: probing via SPMI
>>>>>>> [   42.770840] ipmi_si: SPMI: io 0xe4 regsize 1 spacing 1 irq 0
>>>>>>> [   42.770841] ipmi_si: Adding SPMI-specified kcs state machine
>>>>>>> [   42.770843] ipmi_si: Trying SMBIOS-specified kcs state machine at i/o address 0xca2, slave address 0x0, irq 0
>>>>>>> [   42.798137] ipmi_si ipmi_si.0: Error clearing flags: cc
>>>>>>> [   42.801011] ipmi_si ipmi_si.0: Found new BMC (man_id: 0x002a7c, prod_id: 0x0624, dev_id: 0x20)
>>>>>>> [   42.801068] ipmi_si ipmi_si.0: IPMI kcs interface initialized
>>>>>>>
>>>>>>>
>>>>>>> dmidecode:
>>>>>>>
>>>>>>> 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 (I/O)
>>>>>>>           Register Spacing: Successive Byte Boundaries
>>>>>>>
>>>>>>> Base Board Information
>>>>>>>           Manufacturer: Supermicro
>>>>>>>           Product Name: X9SCL/X9SCM
>>>>>>>
>>>>>>> (but we're experiencing this on various supermicro bords, ie X8DTL)
>>>>>>>
>>>>>>> Tried setting parameters by hand didn't help:
>>>>>>>
>>>>>>> modprobe ipmi_si type=kcs addrs=0xca8 regspacings=1 regsizes=1 regshifts=0 irqs=0 slave_addrs=0x0
>>>>>>>
>>>>>>> (not sure whether I got them correct though, and values mostly seem to me to be defaults anyways..)
>>>>>>>
>>>>>> It is working for me on a SuperMicro system with ubuntu oneiric (3.0
>>>>>> based).
>>>>>>
>>>>>> [597160.259728] ipmi_si: probing via SMBIOS
>>>>>> [597160.259730] ipmi_si: SMBIOS: io 0xca2 regsize 1 spacing 1 irq 0
>>>>>> [597160.259731] ipmi_si: Adding SMBIOS-specified kcs state machine
>>>>>> [597160.259734] ipmi_si: probing via SPMI
>>>>>> [597160.259735] ipmi_si: SPMI: io 0xe4 regsize 1 spacing 1 irq 0
>>>>>> [597160.259737] ipmi_si: Adding SPMI-specified kcs state machine
>>>>>> [597160.259739] ipmi_si: Trying SMBIOS-specified kcs state machine at
>>>>>> i/o address 0xca2, slave address 0x0, irq 0
>>>>>> [597160.378757] ipmi_si: Invalid return from get global enables command,
>>>>>> cannot enable the event buffer.
>>>>>> [597160.382032] ipmi_si ipmi_si.0: Found new BMC (man_id: 0x00b980,
>>>>>> prod_id: 0x0624, dev_id: 0x20)
>>>>>> [597160.382040] ipmi_si ipmi_si.0: IPMI kcs interface initialized
>>>>>> [597179.973960] ipmi device interface
>>>>>> localadm@...dy1:~$ ipmitool bmc info
>>>>>> Could not open device at /dev/ipmi0 or /dev/ipmi/0 or /dev/ipmidev/0: No
>>>>>> such file or directory
>>>>>> Get Device ID command failed
>>>>>> localadm@...dy1:~$ sudo ipmitool bmc info
>>>>>> Device ID                 : 32
>>>>>> Device Revision           : 1
>>>>>> Firmware Revision         : 1.1
>>>>>> IPMI Version              : 2.0
>>>>>> Manufacturer ID           : 47488
>>>>>> Manufacturer Name         : Unknown (0xB980)
>>>>>> Product ID                : 1572 (0x0624)
>>>>>> Product Name              : Unknown (0x624)
>>>>>> Device Available          : yes
>>>>>> Provides Device SDRs      : no
>>>>>> Additional Device Support :
>>>>>>       Sensor Device
>>>>>>       SDR Repository Device
>>>>>>       SEL Device
>>>>>>       FRU Inventory Device
>>>>>>       IPMB Event Receiver
>>>>>>       IPMB Event Generator
>>>>>>       Chassis Device
>>>>>> Aux Firmware Rev Info     :
>>>>>>       0x06
>>>>>>       0x00
>>>>>>       0x00
>>>>>>       0x00
>>>>>> localadm@...dy1:~$ uname -a
>>>>>> Linux sandy1 3.0.0-16-generic #28-Ubuntu SMP Fri Jan 27 17:44:39 UTC
>>>>>> 2012 x86_64 x86_64 x86_64 GNU/Linux
>>>>>>
>>>>>> Rob
>>>>>>
>>>>>>> nik
>>>>>>>
>>>>>>>
>>>>>>> On Sat, Apr 21, 2012 at 12:38:33AM +0200, Nikola Ciprich wrote:
>>>>>>>> Hello,
>>>>>>>>
>>>>>>>> I was trying to find out why IPMI stopped working on new kernels. Since 2.6.39
>>>>>>>> module loading ends with following message:
>>>>>>>>
>>>>>>>>    ipmi_si: Interface detection failed
>>>>>>>>
>>>>>>>> Then ipmitool is unable to control IPMI device.
>>>>>>>>
>>>>>>>> Works for 2.6.38, doesn't work for 2.6.39, 3.0.28, 3.4-rc1.
>>>>>>>>
>>>>>>>> I got this bisected to following commit:
>>>>>>>>
>>>>>>>> commit a1e9c9dd3383e6a1a762464ad604b1081774dbda
>>>>>>>> Author: Rob Herring<rob.herring@...xeda.com>
>>>>>>>> Date:   Wed Feb 23 15:37:59 2011 -0600
>>>>>>>>
>>>>>>>>       ipmi: convert OF driver to platform driver
>>>>>>>>
>>>>>>>>       of_bus is deprecated in favor of the plain platform bus. This patch
>>>>>>>>       merges the ipmi OF driver with the existing platform driver.
>>>>>>>>
>>>>>>>>       CONFIG_PPC_OF occurrances are removed or replaced with CONFIG_OF.
>>>>>>>>
>>>>>>>>       Compile tested with and without CONFIG_OF. Tested OF probe and
>>>>>>>>       default probe cases.
>>>>>>>>
>>>>>>>>       Signed-off-by: Rob Herring<rob.herring@...xeda.com>
>>>>>>>>       Signed-off-by: Grant Likely<grant.likely@...retlab.ca>
>>>>>>>>
>>>>>>>> I wonder whether this is a bug, or I'm doing something wrong?
>>>>>>>>
>>>>>>>> Thanks in advance!
>>>>>>>>
>>>>>>>> with best regards
>>>>>>>>
>>>>>>>> nik
>>>>>>>>
>>>>>>>>
>>>>>>>> -- 
>>>>>>>> -------------------------------------
>>>>>>>> Ing. Nikola CIPRICH
>>>>>>>> LinuxBox.cz, s.r.o.
>>>>>>>> 28. rijna 168, 709 01 Ostrava
>>>>>>>>
>>>>>>>> tel.:   +420 596 603 142
>>>>>>>> fax:    +420 596 621 273
>>>>>>>> mobil:  +420 777 093 799
>>>>>>>>
>>>>>>>> www.linuxbox.cz
>>>>>>>>
>>>>>>>> mobil servis: +420 737 238 656
>>>>>>>> email servis: servis@...uxbox.cz
>>>>>>>> -------------------------------------
>>>>>>>
>>>>>> --
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>

-- 
-------------------------------------
Ing. Nikola CIPRICH
LinuxBox.cz, s.r.o.
28. rijna 168, 709 01 Ostrava

tel.:   +420 596 603 142
fax:    +420 596 621 273
mobil:  +420 777 093 799

www.linuxbox.cz

mobil servis: +420 737 238 656
email servis: servis@...uxbox.cz
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