[Bug 254341] igb hung every 5-20 hours. ifconfig down+up solves the problem for next N hours

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=254341

Kevin Bowling <[email protected]> changed:

           What    |Removed                     |Added
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             Status|New                         |In Progress

--- Comment #21 from Kevin Bowling <[email protected]> ---
Thank you.  Nothing is jumping out at me in either dump to explain a stall and
your NVM is at a level that seems commonly used.

There are two things I might try but not confident they will do anything for
you
1) Disable EEE in case the switch has bugs (loader tunable hw.em.eee_setting=0)
2) There are some changes is 14.2-beta1 that will dump management traffic stats
if you are comfortable upgrading, I am still a little skeptical of the BMC
interfering with igb0 if you don't have that set to dedicated or disabled in
the BIOS

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