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    SubjectRe: [BISECTED] ipmi_si not loading since 2.6.39
    On 04/20/2012 05:38 PM, 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@calxeda.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@calxeda.com>
    > Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
    >
    > I wonder whether this is a bug, or I'm doing something wrong?
    >

    It has been working for me as a module in the DT case.

    This driver has several init paths with acpi, pci, fixed standard
    addresses, and device tree. Can you provide some details on your h/w and
    kernel log of working the working case.

    Rob


    > Thanks in advance!
    >
    > with best regards
    >
    > nik
    >
    >


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