[Bug 715294] Re: Loading ipmi_msghandler generates a kernel Oops

[Serge Hallyn]

Thanks for submitting this bug and helping to make Ubuntu better.

It sounds like you are actually experiencing a bug in the kernel driver,
so I will re-target this to the kernel.

The Oops shows the final straw was at driver_create_file(), but it got
there through init_ipmi_si and pnp_register_driver.  Clearly
drivers/char/ipmi/ipmi_si_intf.c is not doing a good job with error
handling in its init function.  There were quite a few warnings and
errors before that.  The one which reads:

[ 908.402376] Error: Driver 'ipmi_si' is already registered, aborting...

makes me wonder whether in fact you already had the module loaded.
Could you reboot the system, do an 'lsmod | grep ipmi_si' to make sure
the module is not loaded, then, if it is not, 'modprobe ipmi_si'?

Note that I'm not saying that, if it was already loaded, there is not a
bug.  Far from it.

** Changed in: openipmi (Ubuntu)
   Importance: Undecided => Medium

** Changed in: openipmi (Ubuntu)
       Status: New => Incomplete

** Package changed: openipmi (Ubuntu) => linux (Ubuntu)

** Changed in: linux (Ubuntu)
   Importance: Medium => High

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https://bugs.launchpad.net/bugs/715294

Title:
  Loading ipmi_msghandler generates a kernel Oops