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 X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 220D5C43381 for ; Thu, 21 Mar 2019 17:06:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E3DFE218B0 for ; Thu, 21 Mar 2019 17:06:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="Klc4kkP4"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="Klc4kkP4" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728013AbfCURGE (ORCPT ); Thu, 21 Mar 2019 13:06:04 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:57876 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727138AbfCURGE (ORCPT ); Thu, 21 Mar 2019 13:06:04 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id C83B46156F; Thu, 21 Mar 2019 17:06:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1553187963; bh=/gdXfMeOlvTWg62nR02TOe80CqkE7W0v7b/nuENVl7M=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=Klc4kkP4+qMzwY0PsW23bFIIOweC6QEeVbivgmVBYTINyK4pG/JxTk1846IAZN3JY 4rs2oP6UbCMce6Ng+2bjznOpU36NnWUA/4Q+D1T37esEsT655WMaOtAB0PA4umvBQL yar54BzSzw4XwiLyJEmJ5ei39xLBQBn9VEjhIfh0= Received: from x230.qca.qualcomm.com (unknown [195.39.71.253]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: kvalo@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 7CCE561A6F; Thu, 21 Mar 2019 17:06:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1553187963; bh=/gdXfMeOlvTWg62nR02TOe80CqkE7W0v7b/nuENVl7M=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=Klc4kkP4+qMzwY0PsW23bFIIOweC6QEeVbivgmVBYTINyK4pG/JxTk1846IAZN3JY 4rs2oP6UbCMce6Ng+2bjznOpU36NnWUA/4Q+D1T37esEsT655WMaOtAB0PA4umvBQL yar54BzSzw4XwiLyJEmJ5ei39xLBQBn9VEjhIfh0= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 7CCE561A6F Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=kvalo@codeaurora.org From: Kalle Valo To: Kai-Heng Feng Cc: Anthony Wong , linux-wireless , ath10k@lists.infradead.org Subject: Re: Ath10k on XPS 9380 regularly disconnects References: <042C2903-585B-47BA-8657-8819D225EEA8@canonical.com> Date: Thu, 21 Mar 2019 19:05:59 +0200 In-Reply-To: <042C2903-585B-47BA-8657-8819D225EEA8@canonical.com> (Kai-Heng Feng's message of "Tue, 19 Mar 2019 13:35:07 +0800") Message-ID: <87pnqknonc.fsf@codeaurora.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org + ath10k list - netdev & linux-kernel Kai-Heng Feng writes: > There=E2=80=99s an issue that ath10k disconnects at regular basis [1], on > Linux kernel 4.18. > > Unfortunately I can=E2=80=99t reproduce the issue on XPS 9380 at my hand. > > Is there already a fix in upstream kernel? I'm not aware of any fixes related to this. Is this a regression? In other words, is there a known version of ath10k or firmware which didn't have this problem? > [1] https://bugs.launchpad.net/bugs/1818881 Relevant information from dmesg: [ 19.346810] ath10k_pci 0000:02:00.0: qca6174 hw3.2 target 0x05030000 chi= p_id 0x00340aff sub 1a56:143a [ 19.346812] ath10k_pci 0000:02:00.0: kconfig debug 0 debugfs 1 tracing 1= dfs 0 testmode 0 [ 19.347136] ath10k_pci 0000:02:00.0: firmware ver WLAN.RM.4.4.1-00132-QC= ARMSWP-1 api 6 features wowlan,ignore-otp,mfp crc32 79f4db86 [...] [77451.338339] WARNING: CPU: 4 PID: 0 at /build/linux-hwe-9KJ07q/linux-hwe-= 4.18.0/drivers/net/wireless/ath/ath10k/htt_rx.c:46 ath10k_htt_rx_pop_paddr.= isra.29+0xd9/0xf0 [ath10k_core] [...] [81254.857667] WARNING: CPU: 1 PID: 0 at /build/linux-hwe-9KJ07q/linux-hwe-= 4.18.0/drivers/net/wireless/ath/ath10k/htt_rx.c:46 ath10k_htt_rx_pop_paddr.= isra.29+0xd9/0xf0 [ath10k_core] [...] [81390.186167] WARNING: CPU: 2 PID: 0 at /build/linux-hwe-9KJ07q/linux-hwe-= 4.18.0/drivers/net/wireless/ath/ath10k/htt_rx.c:46 ath10k_htt_rx_pop_paddr.= isra.29+0xd9/0xf0 [ath10k_core] --=20 Kalle Valo