em loses link after IPMI reset
nitroboost at gmail.com
Mon Jan 16 18:28:26 UTC 2012
Are you running Supermicro hardware by chance? We had a very similar issue
that was caused by a buggy version of the IPMI firmware on a good number of
machines with the same 82574 chips. At any rate, might give the IPMI
update a try and see if that changes the behavior at all.
On Sun, Jan 15, 2012 at 12:17 PM, Andrey Zonov <andrey at zonov.org> wrote:
> I have a few boxes with Intel 82574L NIC that run under 8.2-STABLE. After
> execution `ipmitool mc reset cold' NIC loses link and after negotiation it
> sets 100TX media type (normal is 1000T). Under Linux on the same box this
> problem doesn't occur, after BMC reset driver doesn't lose link.
> It seems that em driver sets (or doesn't set) some IPMI relied registers.
> In Linux there is some magic about 82574/82583 chips and IPMI . What
> do you think this is a solution for my problem or this is about something
> Andrey Zonov
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