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 9110529E0E9 for ; Fri, 23 Jan 2026 20:05:14 +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=1769198714; cv=none; b=WWrEs2de4Ax6zPxoWu/JUUvpvM1eJKULJ4p6IOCj8NnOlzRrzb4Tjg8tARvsuhBIClzKG7kSYs7iFOLAp7BD7g9y77aaQZMYovDaTu34h37lbqpsfPA5RNRWlDmVZzT3/vWjPSZ3XBRsT3R8Ug2ItdLmnxqG+3VFAbQl8Vp/ffk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769198714; c=relaxed/simple; bh=Ldu/Iph9Sl2g1wo4/QwtGKNLWTdTKEPfd1q0etXiFcY=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=fcbTUjmqzBWgnydXhxZe4hpRnG/JegoDW13P0Sb1s1SmaBlSjJC+SiW59MzKnhh35uNnpW6XMO5iYWyjHFdoTD0arJwY5ZaCBoJWmRpwKtQ8Sov3btlLoQ1fXRXlc2M8LSNDrOxXVv4J+pHDblt9dSBgXWkqEuasYYyUOQqBl2g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=F5uIGOQC; 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="F5uIGOQC" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1C348C2BC87; Fri, 23 Jan 2026 20:05:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1769198714; bh=Ldu/Iph9Sl2g1wo4/QwtGKNLWTdTKEPfd1q0etXiFcY=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=F5uIGOQC60CAbbESyp3DGk1hvnN0d33H/8oWwoFE6pCLSWb6xgSMaBz3sJ+uT/rJi grLPgFgBEPB/LPWjWwRZmzBbmRe2kNluYTTe6XXl1cV4vKUJSJo+oYWkSQ2SdVdrP0 /WcpN59peXqAcwj/KSwhaOrnMsNxSq9IDf3yJ/QfmWfsws8IUtPCyd/Sknlx1AYUq6 8FnTVB98d4oa6LgdeF3OBGRi9D2tonJMn4ZeES56YoJipfXSRp8mappPH2SbaaNxhQ lDR3usIbYVV5SWbTYxnOmq4977oVCMDmgYYes+qVApFy+A47oZQTO2TLSFG3tPh99+ gQoUsPgnxjBXQ== Date: Fri, 23 Jan 2026 12:05:12 -0800 From: Jakub Kicinski To: Florian Fainelli Cc: Mohsin Bashir , netdev@vger.kernel.org, alexanderduyck@fb.com, alok.a.tiwari@oracle.com, andrew+netdev@lunn.ch, andrew@lunn.ch, chuck.lever@oracle.com, davem@davemloft.net, donald.hunter@gmail.com, edumazet@google.com, gal@nvidia.com, horms@kernel.org, idosch@nvidia.com, jacob.e.keller@intel.com, kernel-team@meta.com, kory.maincent@bootlin.com, lee@trager.us, o.rempel@pengutronix.de, pabeni@redhat.com, vadim.fedorenko@linux.dev Subject: Re: [PATCH net-next 0/3] net: ethtool: Track TX pause storm Message-ID: <20260123120512.162ae4d9@kernel.org> In-Reply-To: <7ab606d1-9f65-4123-827e-58650eb8944a@broadcom.com> References: <20260122192158.428882-1-mohsin.bashr@gmail.com> <7ab606d1-9f65-4123-827e-58650eb8944a@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 Fri, 23 Jan 2026 11:36:33 -0800 Florian Fainelli wrote: > On 1/22/26 11:21, Mohsin Bashir wrote: > > With TX pause enabled, if a device cannot deliver received frames to > > the stack (e.g., during a system hang), it may generate excessive pause > > frames causing a pause storm. This series updates the uAPI to track TX > > pause storm events as part of the pause stats (p1), adds pause storm > > protection support for fbnic (p2), and leverages p1 to provide > > observability into these events for fbnic (p3). > > Jakub, should I go ahead and re-submit this patch series then: > > https://patchew.org/linux/20251107002510.1678369-1-florian.fainelli@broadcom.com/ Sounded like Oleksij is also interested so let's go ahead. Presumably an attr in ethtool -a/-A ? > Looks like this is exactly what you ran into here. Kinda, the machines reboot on panic. The problematic cases are those that crashed in a way that didn't trigger normal reboot cycle. Or got wedge somewhere funny.