[Bug 239240] igb: TX(2) desc avail = 1024, pidx = 0 messages appear when the network card loses ethernet link

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=239240

John Delano <webmaster at rgcwireless.com> changed:

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                 CC|                            |webmaster at rgcwireless.com

--- Comment #2 from John Delano <webmaster at rgcwireless.com> ---
I am seeing the problem as well on RELEASE-p10. It is affecting IGB and IX
interfaces. The problem occurs when I disconnect an active network cable. After
about 10 minutes, the error messages begin. Nothing other than a reboot will
restore the interface to working after this occurs.

Connecting the cable back to the interface, ifconfig still reports the cable
status as "no carrier".

I am going to try to make a script to down/up all the interfaces according to
the interface connection status to mitigate this until a fix is available.

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