netdev - Re: [PATCH net-next 0/2] Allow disabling pause frames on panic

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20251103152257.2f858240@kernel.org>
Date: Mon, 3 Nov 2025 15:22:57 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Florian Fainelli <florian.fainelli@...adcom.com>
Cc: netdev@...r.kernel.org, bcm-kernel-feedback-list@...adcom.com, Doug
 Berger <opendmb@...il.com>, Andrew Lunn <andrew+netdev@...n.ch>, "David S.
 Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Paolo
 Abeni <pabeni@...hat.com>, Simon Horman <horms@...nel.org>, Stanislav
 Fomichev <sdf@...ichev.me>, Antoine Tenart <atenart@...nel.org>, Kuniyuki
 Iwashima <kuniyu@...gle.com>, Yajun Deng <yajun.deng@...ux.dev>,
 linux-kernel@...r.kernel.org (open list)
Subject: Re: [PATCH net-next 0/2] Allow disabling pause frames on panic

On Mon,  3 Nov 2025 11:46:29 -0800 Florian Fainelli wrote:
> This patch set allows disabling pause frame generation upon encountering
> a kernel panic. This has proven to be helpful in lab environments where
> devices are still being worked on, will panic for various reasons, and
> will occasionally take down the entire Ethernet switch they are attached
> to.

Could you explain in more detail? What does it mean that a pause frame
takes down an Ethernet switch?