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Date:      Sat, 03 Apr 2021 08:16:32 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 254725] 13.0-RC4 crash tcp_lro
Message-ID:  <bug-254725-227-TpzC1N5lgA@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-254725-227@https.bugs.freebsd.org/bugzilla/>
References:  <bug-254725-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D254725

--- Comment #13 from Christos Chatzaras <chris@cretaforce.gr> ---
(In reply to Richard Scheffenegger from comment #11)

I enable SACK and LRO and disable PRR.

-----------

(In reply to Sergey V. Dyatko from comment #4)

In your kgdb output I see that PRR is mentioned:

https://lists.freebsd.org/pipermail/freebsd-current/2021-January/078553.html

Can you enable net.inet.tcp.sack.enable and disable net.inet.tcp.do_prr ? A=
lso
how often did this panic happened to your servers?

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