[Bug 210901] em0 stores packets somewhere and lets them out slowly under load.

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=210901

Chris Hutchinson <portmaster at bsdforge.com> changed:

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                 CC|                            |portmaster at bsdforge.com

--- Comment #7 from Chris Hutchinson <portmaster at bsdforge.com> ---
This sound alot like an interrupt problem to me. I'm
NOT suggesting that a newer FreeBSD/driver version
won't help mitigate this. Just that it sounds to me
like an interrupt "thing" -- especially when I see:
em0: Using an MSI interrupt

If you add
boot_verbose="YES"
to loader.conf(5). Do you see a line with Quirks
in it related to your card? I would expect to see
MSI-X associated with your (em) card.

HTH

--Chris

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