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 1h718m-0008GD-Rw for ath10k@lists.infradead.org; Thu, 21 Mar 2019 17:06:06 +0000 From: Kalle Valo 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> 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 KyBhdGgxMGsgbGlzdAotIG5ldGRldiAmIGxpbnV4LWtlcm5lbAoKS2FpLUhlbmcgRmVuZyA8a2Fp LmhlbmcuZmVuZ0BjYW5vbmljYWwuY29tPiB3cml0ZXM6Cgo+IFRoZXJl4oCZcyBhbiBpc3N1ZSB0 aGF0IGF0aDEwayBkaXNjb25uZWN0cyBhdCByZWd1bGFyIGJhc2lzIFsxXSwgb24KPiBMaW51eCBr ZXJuZWwgNC4xOC4KPgo+IFVuZm9ydHVuYXRlbHkgSSBjYW7igJl0IHJlcHJvZHVjZSB0aGUgaXNz dWUgb24gWFBTIDkzODAgYXQgbXkgaGFuZC4KPgo+IElzIHRoZXJlIGFscmVhZHkgYSBmaXggaW4g dXBzdHJlYW0ga2VybmVsPwoKSSdtIG5vdCBhd2FyZSBvZiBhbnkgZml4ZXMgcmVsYXRlZCB0byB0 aGlzLiBJcyB0aGlzIGEgcmVncmVzc2lvbj8gSW4Kb3RoZXIgd29yZHMsIGlzIHRoZXJlIGEga25v d24gdmVyc2lvbiBvZiBhdGgxMGsgb3IgZmlybXdhcmUgd2hpY2ggZGlkbid0CmhhdmUgdGhpcyBw cm9ibGVtPwoKPiBbMV0gaHR0cHM6Ly9idWdzLmxhdW5jaHBhZC5uZXQvYnVncy8xODE4ODgxCgpS ZWxldmFudCBpbmZvcm1hdGlvbiBmcm9tIGRtZXNnOgoKWyAgIDE5LjM0NjgxMF0gYXRoMTBrX3Bj aSAwMDAwOjAyOjAwLjA6IHFjYTYxNzQgaHczLjIgdGFyZ2V0IDB4MDUwMzAwMDAgY2hpcF9pZCAw eDAwMzQwYWZmIHN1YiAxYTU2OjE0M2EKWyAgIDE5LjM0NjgxMl0gYXRoMTBrX3BjaSAwMDAwOjAy OjAwLjA6IGtjb25maWcgZGVidWcgMCBkZWJ1Z2ZzIDEgdHJhY2luZyAxIGRmcyAwIHRlc3Rtb2Rl IDAKWyAgIDE5LjM0NzEzNl0gYXRoMTBrX3BjaSAwMDAwOjAyOjAwLjA6IGZpcm13YXJlIHZlciBX TEFOLlJNLjQuNC4xLTAwMTMyLVFDQVJNU1dQLTEgYXBpIDYgZmVhdHVyZXMgd293bGFuLGlnbm9y ZS1vdHAsbWZwIGNyYzMyIDc5ZjRkYjg2CgpbLi4uXQoKWzc3NDUxLjMzODMzOV0gV0FSTklORzog Q1BVOiA0IFBJRDogMCBhdCAvYnVpbGQvbGludXgtaHdlLTlLSjA3cS9saW51eC1od2UtNC4xOC4w L2RyaXZlcnMvbmV0L3dpcmVsZXNzL2F0aC9hdGgxMGsvaHR0X3J4LmM6NDYgYXRoMTBrX2h0dF9y eF9wb3BfcGFkZHIuaXNyYS4yOSsweGQ5LzB4ZjAgW2F0aDEwa19jb3JlXQoKWy4uLl0KCls4MTI1 NC44NTc2NjddIFdBUk5JTkc6IENQVTogMSBQSUQ6IDAgYXQgL2J1aWxkL2xpbnV4LWh3ZS05S0ow N3EvbGludXgtaHdlLTQuMTguMC9kcml2ZXJzL25ldC93aXJlbGVzcy9hdGgvYXRoMTBrL2h0dF9y eC5jOjQ2IGF0aDEwa19odHRfcnhfcG9wX3BhZGRyLmlzcmEuMjkrMHhkOS8weGYwIFthdGgxMGtf Y29yZV0KClsuLi5dCgpbODEzOTAuMTg2MTY3XSBXQVJOSU5HOiBDUFU6IDIgUElEOiAwIGF0IC9i dWlsZC9saW51eC1od2UtOUtKMDdxL2xpbnV4LWh3ZS00LjE4LjAvZHJpdmVycy9uZXQvd2lyZWxl c3MvYXRoL2F0aDEway9odHRfcnguYzo0NiBhdGgxMGtfaHR0X3J4X3BvcF9wYWRkci5pc3JhLjI5 KzB4ZDkvMHhmMCBbYXRoMTBrX2NvcmVdCgotLSAKS2FsbGUgVmFsbwoKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KYXRoMTBrIG1haWxpbmcgbGlzdAphdGgx MGtAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFu L2xpc3RpbmZvL2F0aDEwawo= 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 ; 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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 , 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