Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752228AbdGDNx5 (ORCPT ); Tue, 4 Jul 2017 09:53:57 -0400 Received: from wolverine02.qualcomm.com ([199.106.114.251]:54842 "EHLO wolverine02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751648AbdGDNxz (ORCPT ); Tue, 4 Jul 2017 09:53:55 -0400 X-IronPort-AV: E=Sophos;i="5.40,307,1496127600"; d="scan'208";a="393607349" X-IronPort-AV: E=McAfee;i="5800,7501,8580"; a="958656714" X-MGA-submission: =?us-ascii?q?MDHvERayleO/dj/3e7MgLlFjpmaeDA1LoeaFUV?= =?us-ascii?q?7JesYakvXECmvOJW8FxJjEltMzGRCVs5Ders+/GHUxFFk8wlr9Vl8HB2?= =?us-ascii?q?62B/zPx3gQd3bJRkKcXikjNOzra0hPjmtcOQTmJ4yDbluU/jRx8ghbQV?= =?us-ascii?q?WO?= From: Kalle Valo To: Andrey Ryabinin CC: "ath10k@lists.infradead.org" , linux-wireless , Networking , LKML Subject: Re: WARN_ON_ONCE(work > weight) in napi_poll() Thread-Topic: WARN_ON_ONCE(work > weight) in napi_poll() Thread-Index: AQHS8b59xf4mkxbDvki/Saz+X2ipfw== Date: Tue, 4 Jul 2017 13:49:53 +0000 Message-ID: <87wp7oia6j.fsf@kamboji.qca.qualcomm.com> References: <26670dce-4dd2-f8e4-0e14-90d74257e739@virtuozzo.com> In-Reply-To: <26670dce-4dd2-f8e4-0e14-90d74257e739@virtuozzo.com> (Andrey Ryabinin's message of "Fri, 30 Jun 2017 19:34:44 +0300") Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.251.52.12] Content-Type: text/plain; charset="iso-8859-1" MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by mail.home.local id v64Ds2Yq011351 Content-Length: 1228 Lines: 27 Andrey Ryabinin writes: > I occasionally hit WARN_ON_ONCE(work > weight); in napi_poll() on a > laptop with ath10k card. > > > [37207.593370] ------------[ cut here ]------------ > [37207.593380] WARNING: CPU: 0 PID: 7 at ../net/core/dev.c:5274 > net_rx_action+0x258/0x360 > [37207.593381] Modules linked in: snd_hda_codec_realtek snd_soc_skl > snd_hda_codec_generic snd_soc_skl_ipc snd_soc_sst_ipc snd_soc_sst_dsp > snd_hda_ext_core snd_soc_sst_match snd_soc_core rtsx_pci_sdmmc > mmc_core snd_pcm_dmaengine x86_pkg_temp_thermal snd_hda_intel uvcvideo > kvm_intel videobuf2_vmalloc kvm snd_hda_codec snd_hwdep btusb > videobuf2_memops btintel snd_hda_core videobuf2_v4l2 bluetooth > irqbypass snd_pcm videobuf2_core crc32c_intel videodev mei_me mei > rtsx_pci intel_lpss_pci intel_lpss_acpi intel_vbtn intel_lpss mfd_core > tpm_tis intel_hid tpm_tis_core tpm efivarfs > [37207.593430] CPU: 0 PID: 7 Comm: ksoftirqd/0 Not tainted 4.11.7 #28 > [37207.593432] Hardware name: Dell Inc. XPS 13 9360/0839Y6, BIOS 1.3.5 05/08/2017 What firmware and hardware versions exactly? The dmesg output when ath10k loads is preferred. As you are using XPS 13 I'm guessing it's one of QCA6174 family. -- Kalle Valo