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Date:      Sun, 19 Jul 2020 19:10:05 +0000
From:      bugzilla-noreply@freebsd.org
To:        net@FreeBSD.org
Subject:   [Bug 166724] if_re(4): watchdog timeout
Message-ID:  <bug-166724-7501-VkQGCy6LEy@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-166724-7501@https.bugs.freebsd.org/bugzilla/>
References:  <bug-166724-7501@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=166724

--- Comment #81 from Eugene Grosbein <eugen@freebsd.org> ---
(In reply to László Károlyi from comment #79)

You should monitor this driver's work in the long run. AFAIK this drivers uses
9KB mbufs unconditionally no matter if MTU is 1500 or more, so in the long run
as kernel memory gets fragmented the driver could cause lock up of the system
if it cannot allocate jumbo mbuf cluster.

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