[Bug 225791] ena driver causing kernel panics on AWS EC2

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Wed Jun 27 19:06:26 UTC 2018


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=225791

--- Comment #4 from Colin Percival <cperciva at FreeBSD.org> ---
Sorry, I'm coming to this late -- somehow I never saw this PR earlier.

It's possible that this is an ENA driver bug, but C5 also has the added
complication of using an entirely different virtualization platform, and I'm a
bit suspicious of the backtrace here.  Can one of you try to reproduce this on
a different instance type -- m4.16xlarge or r4.* would probably be best -- so
we can see if it's specifically an *ENA* problem or a *C5* problem?

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