From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 252E034C810; Tue, 4 Nov 2025 23:57:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762300626; cv=none; b=m/3e440dWUEDWA1R1q1Jw6jLieXwhDZAjCmfsEMICXpM4imm7KQBpjk74UKDe3nDI+pFUkwt214uIZMZwepBUSN5oLbWsqQl7zV4otS1BPn9ewNtpUilSGgOAF+vw0WGnuxazD6uf4e1OhOQmgJr1r3e3o27nJMznPWXahNqG2Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762300626; c=relaxed/simple; bh=7szNuZqciomfxU784krO5KdlgMU9J1zWp2fdAKyPgB0=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=ADesrp8RZby1oBWcbysFkYLyWiCetD/2i/YuCfswILtVUzD0wdbmVkcay5KOHQ6dsffiPx5ZIopL8FUd194sUqHic6smeiLslWCArWrO3iR+1lp3pJPJC+nXpAynBRRktq/M624lnw3HmLjr2vKk3yfwGa+x4hRnfcEDgQn2Hyw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=JnHdhGfn; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="JnHdhGfn" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BD272C4CEF7; Tue, 4 Nov 2025 23:57:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762300624; bh=7szNuZqciomfxU784krO5KdlgMU9J1zWp2fdAKyPgB0=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=JnHdhGfnDjvzq5t75068cbUgLfpwI+6mHlEx0aAWUHaEqDxEoySHAwBQ9XMDvBWfR AWInN+mIYDejZsmcuw9F8oj/XzC1gicjEI+fgmPs218q9oxT5dVvJGDzdv+01hjcdP dORUQwkRUBogMT/Hw8+M5Eix8o/nP+Qz/jKSxhYXsXE2ybM3UA9WQubtrQuBOvEREy 5n0DZLmWnoqS9OiuLBwzuct0whtQc9W4Y3GloLNqOPdh4UMBGMX558hu9xkHi7qhIz /VSajzDHA+r6YP6F+SUbdi5H5wT8u8ov5E5Q488w06F6Z9AW0z/28oH1f9pf+bH0w5 vMeKE/VJb8hSQ== Date: Tue, 4 Nov 2025 15:57:02 -0800 From: Jakub Kicinski To: Florian Fainelli Cc: netdev@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, Doug Berger , Andrew Lunn , "David S. Miller" , Eric Dumazet , Paolo Abeni , Simon Horman , Stanislav Fomichev , Antoine Tenart , Kuniyuki Iwashima , Yajun Deng , linux-kernel@vger.kernel.org (open list) Subject: Re: [PATCH net-next v2 0/2] Allow disabling pause frames on panic Message-ID: <20251104155702.0b2aadb3@kernel.org> In-Reply-To: <20251104221348.4163417-1-florian.fainelli@broadcom.com> References: <20251104221348.4163417-1-florian.fainelli@broadcom.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Tue, 4 Nov 2025 14:13:46 -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. FWIW this still feels like a hack to work around having broken switches to me :( Not sure how to stomach having a sysfs knob for every netdev on the planet for one lab with cheap switches.. If anyone else has similar problems please speak up?