From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from smtp.codeaurora.org ([198.145.29.96]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hAsRX-0001EO-PD for ath10k@lists.infradead.org; Mon, 01 Apr 2019 08:37:25 +0000 From: Kalle Valo Subject: Re: Ath10k on XPS 9380 regularly disconnects References: <042C2903-585B-47BA-8657-8819D225EEA8@canonical.com> <87pnqknonc.fsf@codeaurora.org> <8ACA9157-127E-43B8-ADD0-28D9EBBCEEB0@canonical.com> Date: Mon, 01 Apr 2019 11:37:17 +0300 In-Reply-To: (Kai-Heng Feng's message of "Mon, 1 Apr 2019 16:03:21 +0800") Message-ID: <877ece2kaq.fsf@kamboji.qca.qualcomm.com> MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "ath10k" Errors-To: ath10k-bounces+kvalo=adurom.com@lists.infradead.org To: Kai-Heng Feng Cc: linux-wireless , Anthony Wong , ath10k@lists.infradead.org, Stephan Fabel S2FpLUhlbmcgRmVuZyA8a2FpLmhlbmcuZmVuZ0BjYW5vbmljYWwuY29tPiB3cml0ZXM6Cgo+IGF0 IDIzOjQzLCBLYWktSGVuZyBGZW5nIDxrYWkuaGVuZy5mZW5nQGNhbm9uaWNhbC5jb20+IHdyb3Rl Ogo+Cj4+IGF0IDAxOjA1LCBLYWxsZSBWYWxvIDxrdmFsb0Bjb2RlYXVyb3JhLm9yZz4gd3JvdGU6 Cj4+Cj4+PiArIGF0aDEwayBsaXN0Cj4+PiAtIG5ldGRldiAmIGxpbnV4LWtlcm5lbAo+Pj4KPj4+ IEthaS1IZW5nIEZlbmcgPGthaS5oZW5nLmZlbmdAY2Fub25pY2FsLmNvbT4gd3JpdGVzOgo+Pj4K Pj4+PiBUaGVyZeKAmXMgYW4gaXNzdWUgdGhhdCBhdGgxMGsgZGlzY29ubmVjdHMgYXQgcmVndWxh ciBiYXNpcyBbMV0sIG9uCj4+Pj4gTGludXgga2VybmVsIDQuMTguCj4+Pj4KPj4+PiBVbmZvcnR1 bmF0ZWx5IEkgY2Fu4oCZdCByZXByb2R1Y2UgdGhlIGlzc3VlIG9uIFhQUyA5MzgwIGF0IG15IGhh bmQuCj4+Pj4KPj4+PiBJcyB0aGVyZSBhbHJlYWR5IGEgZml4IGluIHVwc3RyZWFtIGtlcm5lbD8K Pj4+Cj4+PiBJJ20gbm90IGF3YXJlIG9mIGFueSBmaXhlcyByZWxhdGVkIHRvIHRoaXMuIElzIHRo aXMgYSByZWdyZXNzaW9uPyBJbgo+Pj4gb3RoZXIgd29yZHMsIGlzIHRoZXJlIGEga25vd24gdmVy c2lvbiBvZiBhdGgxMGsgb3IgZmlybXdhcmUgd2hpY2ggZGlkbid0Cj4+PiBoYXZlIHRoaXMgcHJv YmxlbT8KPj4KPj4gV2Uga25vdyB0aGlzIGlzc3VlIGhhcHBlbiBvbiBrZXJuZWwgdjQuMTUgYW5k IHY0LjE4LCBidXQga2VybmVscwo+PiBiZWZvcmUgdjQuMTUgd2VyZSBub3QgdGVzdGVkLgo+Pgo+ PiBUaGUgaXNzdWUgaGFwcGVucyB3aXRoIEdvb2dsZSBNZXNoLCB3aGljaCBoYXMgODAyLjExYWMg Y2FwYWJpbGl0eS4KPj4KPj4gSSBoYXZlbuKAmXQgYmVlbiBhYmxlIHRvIHJlcHJvZHVjZSB0aGUg aXNzdWUgd2l0aCBhbiA4MDIuMTFuIHJvdXRlciAoeWV0KS4KPgo+IERvIEkgbmVlZCBhIHNwZWNp YWwgV2lGaSByb3V0ZXIgd2hpY2ggc3VwcG9ydCBSWCByZW9yZGVyIHRvIHJlcHJvZHVjZQo+IHRo ZSBpc3N1ZT8KPgo+IEl0J3MgaW50cm9kdWNlZCBieSBjb21taXQgYzU0NTA3MGU0MDRiICjigJxh dGgxMGs6IGltcGxlbWVudCByeCByZW9yZGVyCj4gc3VwcG9ydOKAnSkuCgpJIGRvbid0IHVuZGVy c3RhbmQgeW91ciBxdWVzdGlvbiBhdCBhbGwuCgotLSAKS2FsbGUgVmFsbwoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KYXRoMTBrIG1haWxpbmcgbGlzdAph dGgxMGtAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWls bWFuL2xpc3RpbmZvL2F0aDEwawo= 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 A6C7FC4360F for ; 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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 , Stephan Fabel , linux-wireless , ath10k@lists.infradead.org Subject: Re: Ath10k on XPS 9380 regularly disconnects References: <042C2903-585B-47BA-8657-8819D225EEA8@canonical.com> <87pnqknonc.fsf@codeaurora.org> <8ACA9157-127E-43B8-ADD0-28D9EBBCEEB0@canonical.com> Date: Mon, 01 Apr 2019 11:37:17 +0300 In-Reply-To: (Kai-Heng Feng's message of "Mon, 1 Apr 2019 16:03:21 +0800") Message-ID: <877ece2kaq.fsf@kamboji.qca.qualcomm.com> 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 Kai-Heng Feng writes: > at 23:43, Kai-Heng Feng wrote: > >> at 01:05, Kalle Valo wrote: >> >>> + 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 ha= nd. >>>> >>>> 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? >> >> We know this issue happen on kernel v4.15 and v4.18, but kernels >> before v4.15 were not tested. >> >> The issue happens with Google Mesh, which has 802.11ac capability. >> >> I haven=E2=80=99t been able to reproduce the issue with an 802.11n route= r (yet). > > Do I need a special WiFi router which support RX reorder to reproduce > the issue? > > It's introduced by commit c545070e404b (=E2=80=9Cath10k: implement rx reo= rder > support=E2=80=9D). I don't understand your question at all. --=20 Kalle Valo