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 CD3863D966; Fri, 29 Mar 2024 15:50:29 +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=1711727429; cv=none; b=UtJ1F91lPoqON0C0A7ESrdemOw1Fj/+2PYV2EiJYTPl/Z+Nm1YQyvg59ON7lEV+a7XUml5L+SnBQ8Wg/xrOsZ/2SvGVio+89Tig+ovhPOSSjwt0NxzlJNsySSmYOIXHP44GTHbfaWXPLe1Ywdx9k/gYUL0S19gEN6nZXHA3FFFc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711727429; c=relaxed/simple; bh=1Gb9js9o92vHoW2ztLDWmNequldYaphj6neZme3mpUQ=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=JJ9FMLfn8V3iiQaFwjav3J9CaF9K5JI3O6blgG5PMLPMa7JQtObcv2tNgH8tldgS3Zpd8PGPmLjeu69wqX2zbSUqW4eB/4c6yznAQa+PTkpfxF/Dwfwv2k6fTccxAu2/NRdL3bC/FWntPmT/W7vUmKTQS9ipmklMqalFXrRMpqc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=RUBvihu/; 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="RUBvihu/" Received: by smtp.kernel.org (Postfix) with ESMTPS id 5429CC43390; Fri, 29 Mar 2024 15:50:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711727429; bh=1Gb9js9o92vHoW2ztLDWmNequldYaphj6neZme3mpUQ=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=RUBvihu/ul2t4K55eznxMPDb5Iq17zPcOlLL+gU1QLSR8T8uhh0i9PIrawRpRafg1 Szrqtp37PCF4Gkf3RUbqVrm07rlPkmOYYKyGpKF6XReUQNmpiLQ71lJn6THihy3aTh AV1sKL22lRKO2/aKrLQTdQ3qTM2W3akzqzorkDh0cCZYdJPGtJenOCRS4cU7AqW472 dzblLuwtWvImC2Df7zbH3jVUeYGFmAJGiNub79LaxpL1QsbX7WyYJ+MC06WTL2WYG1 yeAu5Sn4UVl01g116UOeI2MTJ7VzXlNALxZw+cOiioj2YmcPKcZQeEX4LeT5Pl2o9K vhZQrlvigejrQ== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id 40B34D84BAF; Fri, 29 Mar 2024 15:50:29 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net v1] mlxbf_gige: stop interface during shutdown From: patchwork-bot+netdevbpf@kernel.org Message-Id: <171172742926.17508.15910798895938463118.git-patchwork-notify@kernel.org> Date: Fri, 29 Mar 2024 15:50:29 +0000 References: <20240325210929.25362-1-davthompson@nvidia.com> In-Reply-To: <20240325210929.25362-1-davthompson@nvidia.com> To: David Thompson Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, u.kleine-koenig@pengutronix.de, leon@kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Mon, 25 Mar 2024 17:09:29 -0400 you wrote: > The mlxbf_gige driver intermittantly encounters a NULL pointer > exception while the system is shutting down via "reboot" command. > The mlxbf_driver will experience an exception right after executing > its shutdown() method. One example of this exception is: > > Unable to handle kernel NULL pointer dereference at virtual address 0000000000000070 > Mem abort info: > ESR = 0x0000000096000004 > EC = 0x25: DABT (current EL), IL = 32 bits > SET = 0, FnV = 0 > EA = 0, S1PTW = 0 > FSC = 0x04: level 0 translation fault > Data abort info: > ISV = 0, ISS = 0x00000004 > CM = 0, WnR = 0 > user pgtable: 4k pages, 48-bit VAs, pgdp=000000011d373000 > [0000000000000070] pgd=0000000000000000, p4d=0000000000000000 > Internal error: Oops: 96000004 [#1] SMP > CPU: 0 PID: 13 Comm: ksoftirqd/0 Tainted: G S OE 5.15.0-bf.6.gef6992a #1 > Hardware name: https://www.mellanox.com BlueField SoC/BlueField SoC, BIOS 4.0.2.12669 Apr 21 2023 > pstate: 20400009 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) > pc : mlxbf_gige_handle_tx_complete+0xc8/0x170 [mlxbf_gige] > lr : mlxbf_gige_poll+0x54/0x160 [mlxbf_gige] > sp : ffff8000080d3c10 > x29: ffff8000080d3c10 x28: ffffcce72cbb7000 x27: ffff8000080d3d58 > x26: ffff0000814e7340 x25: ffff331cd1a05000 x24: ffffcce72c4ea008 > x23: ffff0000814e4b40 x22: ffff0000814e4d10 x21: ffff0000814e4128 > x20: 0000000000000000 x19: ffff0000814e4a80 x18: ffffffffffffffff > x17: 000000000000001c x16: ffffcce72b4553f4 x15: ffff80008805b8a7 > x14: 0000000000000000 x13: 0000000000000030 x12: 0101010101010101 > x11: 7f7f7f7f7f7f7f7f x10: c2ac898b17576267 x9 : ffffcce720fa5404 > x8 : ffff000080812138 x7 : 0000000000002e9a x6 : 0000000000000080 > x5 : ffff00008de3b000 x4 : 0000000000000000 x3 : 0000000000000001 > x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 > Call trace: > mlxbf_gige_handle_tx_complete+0xc8/0x170 [mlxbf_gige] > mlxbf_gige_poll+0x54/0x160 [mlxbf_gige] > __napi_poll+0x40/0x1c8 > net_rx_action+0x314/0x3a0 > __do_softirq+0x128/0x334 > run_ksoftirqd+0x54/0x6c > smpboot_thread_fn+0x14c/0x190 > kthread+0x10c/0x110 > ret_from_fork+0x10/0x20 > Code: 8b070000 f9000ea0 f95056c0 f86178a1 (b9407002) > > [...] Here is the summary with links: - [net,v1] mlxbf_gige: stop interface during shutdown https://git.kernel.org/netdev/net/c/09ba28e1cd3c You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html