Date:	Tue, 24 Apr 2012 23:30:56 +0200
From:	Nikola Ciprich <nikola.ciprich@...uxbox.cz>
To:	Rob Herring <rob.herring@...xeda.com>
Cc:	minyard@....org, linux-kernel@...r.kernel.org, tcminyard@...il.com
Subject: Re: [BISECTED] ipmi_si not loading since 2.6.39

Sure, here it goes:

[   62.866722] ipmi device interface
[   63.874238] IPMI System Interface driver.
[   63.874239] ipmi_si: probing via hardcoded address
[   63.874241] ipmi_si: Adding hardcoded-specified kcs state machine
[   63.874243] ipmi_si: Trying hardcoded-specified kcs state machine at i/o address 0xca8, slave address 0x0, irq 0
[   63.874247] ipmi_si: Interface detection failed

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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