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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6F65AC433F5 for ; Thu, 19 May 2022 05:12:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233832AbiESFMb (ORCPT ); Thu, 19 May 2022 01:12:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48452 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231742AbiESFMa (ORCPT ); Thu, 19 May 2022 01:12:30 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 69FCB939EF for ; Wed, 18 May 2022 22:12:29 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 08BE3619EB for ; Thu, 19 May 2022 05:12:29 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 395AAC34100; Thu, 19 May 2022 05:12:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1652937148; bh=3ljxh+Bt0jF3rcDwvTyn83ulb9AyP0KS1rlWfuUtYiY=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=BFBt2SqPXQ5kyKVXF/fWx2XlGaYe44y9D7CutwHuQAy6eVN5OVrOPiDfEzgoQaNtT cHCrZLDnGniuMNfM76a3NIP2ivG75tN+K1AH9VFbOgqKu/FN7+vArMq3hKJ1PW87cQ 7CC0gkYgTqYR8vKxiB+5DJQBzvOVyKXRkunDsuCi/IVZg2xKG8uN+4q8sU/ya0uFBI HxTqTIWa4RnUIK/v7M5nk9NsIJ8WJMK024xKwdfWkUraGWrtRcJZ5BOnyiMySw9NMe 0fILR4y5KT2x4FaeqIRUdtUe53GROEqSTsTerl5OIDBwK1caMNsdyg3Nr97rUSWYjn c9yu4JkqoU53w== Date: Wed, 18 May 2022 22:12:26 -0700 From: Jakub Kicinski To: Ioana Ciornei Cc: Thorsten Leemhuis , "davem@davemloft.net" , "netdev@vger.kernel.org" Subject: Re: [regression] dpaa2: TSO offload on lx2160a causes fatal exception in interrupt Message-ID: <20220518221226.3712626c@kernel.org> In-Reply-To: <20220512094323.3a89915f@kernel.org> References: <7ca81e6b-85fd-beff-1c2b-62c86c9352e9@leemhuis.info> <20220504080646.ypkpj7xc3rcgoocu@skbuf> <20220512094323.3a89915f@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Thu, 12 May 2022 09:43:23 -0700 Jakub Kicinski wrote: > On Wed, 4 May 2022 08:06:47 +0000 Ioana Ciornei wrote: > > > > Mitigation: > > > > ethtool -K ethX tso off > > > >=20 > > > > [reply] [=E2=88=92] Comment 1 kernelbugs@63bit.net 2022-05-02 01:37= :06 UTC > > > >=20 > > > > I believe this is related to commit 3dc709e0cd47c602a8d1a6747f1a91e= 9737eeed3 > > > > =20 > > >=20 > > > That commit is "dpaa2-eth: add support for software TSO". > > >=20 > > > Could somebody take a look into this? Or was this discussed somewhere > > > else already? Or even fixed? =20 > >=20 > > I will take a look at it, it wasn't discussed already. =20 >=20 > Hi! Any progress on this one? AFAICT this is a new bug in 5.18, would > be great if we can close it in the next week or so, otherwise perhaps > consider disabling TSO by default. maybe? ping?