Re: Short notice: ipmi_si kills C8000

Rolf Eike Beer
2013-11-05T12:23:20Z

>> I did "modprobe ipmi_si" on my C8000 (kernel 3.11.6), which=20
>> immediately
>> broke the machine. I have no backtrace yet, but I'll try to get one=20
>> next
>> week. In case someone has such a machine and the mood to debug this
>> already=E2=80=A6 ;)
>=20
> Ok, I now have IPMI monitoring on the C8000 working smoothly. Thanks=20
> for the
> work on this.
>=20
> While testing I installed by mistake the nagios IPMI check module and=
=20
> freeipmi
> on the C3600 (running 3.11.2 at that time). Calling "check_ipmi_senso=
r=20
> -T
> Temperature -H localhost" reproducible caused a HPMC. There was no IP=
MI=20
> module
> loaded or even compiled on the machine so I think it has nothing to d=
o=20
> with
> the crash reported above. I'll try if I can get some additional=20
> information on
> monday.

I can reproduce this on the C8000, using both 3.11.6 and 3.12: if=20
ipmi_devintf is not loaded the machine will die when nagios does the=20
first IPMI check. Loading this module makes the machine survive. Sadly=20
it seems that I have screwed up my serial setup so I don't have a=20
backtrace of this.

Eike
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