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Subject: [Bug 221317] Netmap issue after ixgbe driver update
Date: Mon, 07 Aug 2017 17:19:15 +0000
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X-Bugzilla-Type: new
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X-Bugzilla-Product: Base System
X-Bugzilla-Component: kern
X-Bugzilla-Version: 11.1-STABLE
X-Bugzilla-Keywords: 
X-Bugzilla-Severity: Affects Some People
X-Bugzilla-Who: peixoto.cassiano@gmail.com
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D221317

            Bug ID: 221317
           Summary: Netmap issue after ixgbe driver update
           Product: Base System
           Version: 11.1-STABLE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs@FreeBSD.org
          Reporter: peixoto.cassiano@gmail.com

After commit r320897 (ixgbe driver update to 3.2.12-k) netmap is not working
well anymore. When ixgbe interface is opened many times it changes the stat=
us
to "no carrier" and needs a reboot to work again.

It's quite easy to reproduce the issue, just use two machines with ixgbe dr=
iver
sending and receiving packets using pkt-gen. Run pkt-gen many times with op=
tion
like -p and -c.

To make sure it was a driver update issue i downgrade it ixgbe driver (vers=
ion
3.1.13-K) released with FreeBSD-11.1-RELEASE and worked fine.

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