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Date:      Fri, 08 Sep 2023 01:05:12 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 273615] infinite loop in sbflush_internal()
Message-ID:  <bug-273615-227-myPQsOGioU@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-273615-227@https.bugs.freebsd.org/bugzilla/>
References:  <bug-273615-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D273615

--- Comment #1 from Greg Becker <greg@codeconcepts.com> ---
It turns out that if I remove all customizations from loader.conf and
sysctl.conf I am unable to reproduce the problem.  However, if I make this
single change (kern.ipc.maxsockbuf=3D614400000, as per Calomel's tuning gui=
de)
then the problem crops up very soon after on the iperf3 server side.

When it occurs, both sb_acc and sb_ccc are equal (typically around
3.4-billion).

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