[Bug 193601] em0: link state changed to DOWN / UP

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Wed Sep 17 18:55:20 UTC 2014


Eric Joyner <ricera10 at gmail.com> changed:

           What    |Removed                     |Added
                 CC|                            |ricera10 at gmail.com

--- Comment #1 from Eric Joyner <ricera10 at gmail.com> ---

Do the link UP/DOWN messages generally occur after ~15 minutes, or does the
time between initializing the adapter and those messages vary?

Do you send IPv4 or IPv6 traffic, specific UDP/TCP traffic like NFS, or does
the adapter idle until the link starts flapping?

By default, the adapter should use MSI instead of legacy interrupts. Did you
change that setting?

Jack (the maintainer) is on a vacation, so I get to look at these bugs while
he's gone. We tried passing TCP/IPv4 traffic using a NUC we have in-house, and
we couldn't get the link up/down messages after ~30 minutes, so I'm wondering
if we need to do something specific to reproduce this issue.

- Eric

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