Re: [BISECTED] ipmi_si not loading since 2.6.39

From: Nikola Ciprich
Date: Wed Apr 25 2012 - 13:58:21 EST

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> That means that something else is using that I/O space. You can look in
> /proc/ioports to find what.

nothing on this address (with 3.4 kernel).

on 2.6.32 I see:
0a30-0a3f : pnp 00:07
0b00-0b7f : pnp 00:0c
0ca2-0ca2 : ipmi_si
0ca3-0ca3 : ipmi_si
0cf8-0cff : PCI conf1
1180-119f : 0000:00:1f.3
1180-119f : pnp 00:0e
d000-dfff : PCI Bus 0000:06
d000-d01f : 0000:06:00.0

on 3.4-rc4:
0a30-0a3f : pnp 00:07
0b00-0b7f : pnp 00:0c
0cf8-0cff : PCI conf1
0d00-ffff : PCI Bus 0000:00
1180-119f : 0000:00:1f.3
1180-119f : pnp 00:0e
c000-cfff : PCI Bus 0000:06
c000-c01f : 0000:06:00.0

I'll try comparing both kernels' dmesg output in more detail to see
if there's some difference that might be important..

n.

>
> -corey
>
>> 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@vbox4 ~]# 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@sandy1:~$ 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@sandy1:~$ 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@sandy1:~$ 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@xxxxxxxxxxx>
>>>>>>>>>> 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@xxxxxxxxxxx>
>>>>>>>>>> Signed-off-by: Grant Likely<grant.likely@xxxxxxxxxxxx>
>>>>>>>>>>
>>>>>>>>>> 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@xxxxxxxxxxx
>>>>>>>>>> -------------------------------------
>>>>>>>> --
>>>>>>>> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
>>>>>>>> the body of a message to majordomo@xxxxxxxxxxxxxxx
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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@xxxxxxxxxxx
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Next message: Tim Chen: "Re: load balancing regression since commit 367456c7"
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