From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E67BBC46CD2 for ; Tue, 30 Jan 2024 19:08:14 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id 8271161386; Tue, 30 Jan 2024 19:08:14 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp3.osuosl.org 8271161386 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=osuosl.org; s=default; t=1706641694; bh=fGGcszYr2A37F9ZTQ0Fa30VPdXyf3vHqt0mO0IXss+g=; h=Date:From:To:References:In-Reply-To:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: Cc:From; b=96Lz+CghTLvGSEaIY1LZmq9YbH2j/VcLF2j4NKUhNSREU2p/hNg5mNJfLvAzjfRQc ROo/f5VWRP9EjBw7ZDa7HyVoPH7wNOsPZc/6D4elHBAkEXbDsp+j5MReswA7zVyBOT r5wI4DG4JK25XzfwQylQxnFsQEtUZtwFGejf7hwNeGrQ+Y5IiInW6uLYVR3/jsEeyS 5feBlHFq+IBqp4Xoy2gFuwe19hCOEdYB+RVEyfDxLsZYkmLTuLVWjvRtNHuE2nCIGA TXaEk49xRXm3YC6F57yReOkus4rU72ecACdn+9VKLj2QFzZzF/9cRCiq54UnqToOUD SU0aN6oqAQd5Q== X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 2gD9p6iSAE2o; Tue, 30 Jan 2024 19:08:13 +0000 (UTC) Received: from ash.osuosl.org (ash.osuosl.org [140.211.166.34]) by smtp3.osuosl.org (Postfix) with ESMTP id B945D6139B; Tue, 30 Jan 2024 19:08:12 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp3.osuosl.org B945D6139B Received: from smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) by ash.osuosl.org (Postfix) with ESMTP id 2E81F1BF287 for ; Tue, 30 Jan 2024 16:59:18 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id 0520C82222 for ; Tue, 30 Jan 2024 16:59:18 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp1.osuosl.org 0520C82222 X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 7AtuhWz7DlwN for ; Tue, 30 Jan 2024 16:59:16 +0000 (UTC) Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by smtp1.osuosl.org (Postfix) with ESMTPS id B107C82110 for ; Tue, 30 Jan 2024 16:59:16 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp1.osuosl.org B107C82110 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 6A7DE60EAD; Tue, 30 Jan 2024 16:59:15 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EB936C433F1; Tue, 30 Jan 2024 16:59:14 +0000 (UTC) Date: Tue, 30 Jan 2024 10:59:13 -0600 From: Seth Forshee To: Paul Menzel Message-ID: References: <47eea378-6b76-46a7-b70e-52bc61f5e9f0@molgen.mpg.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <47eea378-6b76-46a7-b70e-52bc61f5e9f0@molgen.mpg.de> X-Mailman-Approved-At: Tue, 30 Jan 2024 19:08:12 +0000 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1706633955; bh=Mj4Da6LVU0PiZoyN5sVh+aLJRNPeMl2eDUdxts+TfF4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=qyYRTy97yA0ElaYGqojUuk3mlUDhWZhcIySYGJESaENSt4XOC8lnxh7Ui1fZMybEp XtCpZPmaB4Kd3CY556ia274mQysyFbea87plkvlHi5PEpX4n98p2S2zffgUTV4meaU Qqiwwj6eZC9M+UoVe+PeAHryhH4DHMIPF795QLRPyE9EPl+IsDNfmXtDz9oqBi8kRd +3fAQQ0Iy+W4oG+PJxBQm2te4uWW1mrd2A7vbVjy7qAPx2XeG4v46+IcUzou/4h3fe 07+kGQ5jyoGR1rWzsfv2l/gxyL4/tPI7Vb11XJxmlD+Zj/3z4WmcuU9lLC++X/J//g xoEQuRTNWlwRw== X-Mailman-Original-Authentication-Results: smtp1.osuosl.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=qyYRTy97 Subject: Re: [Intel-wired-lan] i40e XDP program stops transmitting after link down/up X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: netdev@vger.kernel.org, intel-wired-lan@lists.osuosl.org, Tony Nguyen , Jesse Brandeburg Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" On Tue, Jan 30, 2024 at 05:14:23PM +0100, Paul Menzel wrote: > Dear Seth, > > > Thank you for bring this up. > > Am 30.01.24 um 15:17 schrieb Seth Forshee: > > I got a inquiry from a colleague about a behavior he's seeing with i40e > > but not with other NICs. The interfaces are bonded with a XDP > > load-balancer program attached to them. After 'ip link set ethX down; ip > > link set ethX up' on one of the interfaces the XDP program on that > > interface is no longer transmitting packets. He found that tx starts > > again after running 'sudo ethtool -t ethX'. > > > > There's a 'i40e 0000:d8:00.1: VSI seid 391 XDP Tx ring 0 disable > > timeout' message in dmesg when disabling the interface. I've included > > the relevant portions from dmesg below. > > > > This was first observed with a 6.1 kernel, but we've confirmed that the > > behavior is the same in 6.7. I realize the firmware is pretty old, so > > far our attempts to update the NVM have failed. > > Does that mean, the problem didn’t happen before Linux 6.1? If so, if you > have the reproducer and the time, bisecting the issue is normally the > fastest way to solve the issue. No, sorry, I should have worded that better. I meant that they were using 6.1 when they noticed the issue, not that kernels before 6.1 did not have that issue. We've also tried a 5.15 kernel build now and still see the issue there, we haven't tested anything older than that. Thanks, Seth