NetBSD Problem Report #60646

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Date: Wed, 26 Aug 2026 12:40:02 +0000 (UTC)
From: campbell+netbsd@mumble.net
Reply-To: campbell+netbsd@mumble.net
To: gnats-bugs@NetBSD.org
Subject: xennet0: rx no cluster
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X-From4GNATS: "campbell+netbsd@mumble.net via gnats" <gnats-admin@NetBSD.org>

>Number:         60646
>Category:       port-xen
>Synopsis:       xennet0: rx no cluster
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    bouyer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Aug 26 12:45:00 +0000 2026
>Last-Modified:  Thu Oct 08 16:02:00 +0000 2026
>Originator:     Taylor R Campbell
>Release:        current, 11, 10, ...
>Organization:
The XennetBSD Clusteration, Inc.
>Environment:
>Description:

	Under heavy memory pressure, the console is overwhelmed by

[ 7054948.7273665] xennet0: rx no cluster
[ 7054948.7373664] xennet0: rx no cluster
[ 7054948.7373664] xennet0: rx no cluster
[ 7054948.7674125] xennet0: rx no cluster
[ 7054948.7773674] xennet0: rx no cluster
[ 7054948.7874154] xennet0: rx no cluster

	This console spew is not helpful.

>How-To-Repeat:

	try to use the network under heavy memory pressure

>Fix:

	Yes, please!

	Rate-limit the message?  Make it more informative?

>Release-Note:

>Audit-Trail:

Responsible-Changed-From-To: port-xen-maintainer->bouyer
Responsible-Changed-By: riastradh@NetBSD.org
Responsible-Changed-When: Thu, 08 Oct 2026 16:02:00 +0000
Responsible-Changed-Why:
Can I trouble you to take a look at this?


>Unformatted:

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