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=-13.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS 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 306A5C433E0 for ; Mon, 1 Mar 2021 12:18:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DC85464E31 for ; Mon, 1 Mar 2021 12:18:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233648AbhCAMSX (ORCPT ); Mon, 1 Mar 2021 07:18:23 -0500 Received: from mout.gmx.net ([212.227.17.22]:44197 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232733AbhCAMSU (ORCPT ); Mon, 1 Mar 2021 07:18:20 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1614600961; bh=IugOcQwF7kZOdBy0dRHTD1u48P9vwTmyHJA5VWLAxnU=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date:In-Reply-To:References; b=ATiwrXBlzuoW1eFkyOgBd3duYWT+ZZyZk+rQQUfyQKt/Gljgo+4+MtGpNRXz1Besa qy39/CBrMy4ufKY1utr3+5rorKTlCqWRhjhax/Z4S/5pbjBIf7TF1i9jRz98GP5rFl tS3BLkBD6KCnw+RO4CDyNNtmXiIWjhCtysEw7Bos= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from [217.61.155.40] ([217.61.155.40]) by web-mail.gmx.net (3c-app-gmx-bap67.server.lan [172.19.172.67]) (via HTTP); Mon, 1 Mar 2021 13:16:01 +0100 MIME-Version: 1.0 Message-ID: From: Frank Wunderlich To: Marc Zyngier Cc: Lorenzo Pieralisi , Bjorn Helgaas , Thierry Reding , Thomas Gleixner , Rob Herring , Will Deacon , "K. Y. Srinivasan" , Haiyang Zhang , Stephen Hemminger , Wei Liu , Thierry Reding , Jonathan Hunter , Ryder Lee , Marek Vasut , Yoshihiro Shimoda , Michal Simek , Paul Walmsley , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-hyperv@vger.kernel.org, linux-tegra@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-renesas-soc@vger.kernel.org Subject: Aw: Re: [PATCH 09/13] PCI: mediatek: Advertise lack of MSI handling Content-Type: text/plain; charset=UTF-8 Date: Mon, 1 Mar 2021 13:16:01 +0100 Importance: normal Sensitivity: Normal In-Reply-To: References: <20210225151023.3642391-1-maz@kernel.org> <20210225151023.3642391-10-maz@kernel.org> Content-Transfer-Encoding: quoted-printable X-UI-Message-Type: mail X-Priority: 3 X-Provags-ID: V03:K1:55JouWD1/jomSFHxvmr5CxCsHBcwihxkhhuXcrnwZ18dNoZ2fmwIwamT8sX0YxOooKDfm gctUt9mbRXADbjpO2UbJBBz57NROGN/AgETMJkC3gVRBiQ1Mmqm9LRRI5Ea46BGt/RQy+pQuJGav CJnBpTnT3hjry16daU6wy0QSOHIDyH21RUACXOTTHU9Cz/aIQLsnra7LuYuZm538N3WDkGdnroeG Bz7W8tAE2TrKR/QwrXTSQXt7WrTVw/EodJ8qvW5Rm5Ucsk9Fy67w1PiFmAvzRONAcQBfeRJvlUwu mQ= X-UI-Out-Filterresults: notjunk:1;V03:K0:5GHm5CDvrMw=:y/Kh6y9LRC64Dtwlb4BK64 fG2tRFEA7yFiaeEuK+Bygk+HhWGwVa0HuEpF6E7j/TcGYyq68gcDR+nK88uiTqrA/WIPbzrGy 0jpAOGQG2+qWR36lW6s03ugghSeu38hBYodebPkLbg6HoYbk1NAkKvb7KTikqr5JsOrOX1O7V cFYq875jKt9fVlPl+cgwSXY/NMrUetKmnsmLFUbC72n98x4oNebDcJAwHh3RzFOnSzIfsZjEx jqiBQqjhy6PFHNdPbj8eGArY/sRdp1AOBLaRrSOEZ3z+DPa9AVkSEn9BgFoyaZTAg3rCzgy+t vlLRz/sOhI4YfJs8D35ILLl7ZPkT3wWqMa5+LsWvrDSdBKLLfdIwvyHG1ifJ8eMB+f8ZaTn8F 7SsTx+QFvmD2Y2mtyYoW2TyO1fFZuthGTlBjlxwMMtWWHv5UKWzbGoJECd/7/3UV2uz10zd/n 9iaQaNiXYrsCxWHGy29OQOz8o8UMRIssSeAuWh24i+59Ly6Em6cFTt8dzU19aVujBH8Udvmn4 FYkM6BYF9ZQDEGKkwovScKVA2IsTYTOlKuJ3M/6i9PazzKKHdWGibVfGdbTsbUGhEMb+JGpYf krB/BpDXhkY4Q= Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org regards Frank > Gesendet: Montag, 01=2E M=C3=A4rz 2021 um 12:49 Uhr > Von: "Marc Zyngier" > Frank, >=20 > On 2021-03-01 10:43, Frank Wunderlich wrote: > > tested full series on bananapi-r2 and r64 > >=20 > > r2 (with mt7615) looks good=2E > >=20 > > on r64 (with atheros card WLE900VX) i see this while loading ath10k=20 > > driver: > >=20 > > [ 6=2E525981] ath10k_pci 0000:01:00=2E0: enabling device (0000 -> 0= 002) > > [ 6=2E537810] ath10k_pci 0000:01:00=2E0: enabling bus mastering > > [ 6=2E543831] Unable to handle kernel paging request at virtual=20 > > address ffffff4 > > 013be2a80 > > [ 6=2E551890] Mem abort info: > > [ 6=2E554744] ESR =3D 0x96000044 > > [ 6=2E557870] EC =3D 0x25: DABT (current EL), IL =3D 32 bits > > [ 6=2E563267] SET =3D 0, FnV =3D 0 > > [ 6=2E566396] EA =3D 0, S1PTW =3D 0 > > [ 6=2E569611] Data abort info: > > [ 6=2E572501] ISV =3D 0, ISS =3D 0x00000044 > > [ 6=2E576411] CM =3D 0, WnR =3D 1 > > [ 6=2E579450] [ffffff4013be2a80] address between user and kernel=20 > > address ranges > > [ 6=2E586659] Internal error: Oops: 96000044 [#1] PREEMPT SMP > > [ 6=2E592248] Modules linked in: ath10k_pci(+) ath10k_core ath=20 > > mac80211 libarc4 > > btmtkuart cfg80211 bluetooth ecdh_generic ecc rfkill libaes ip_tables= =20 > > x_tables > > [ 6=2E606329] CPU: 1 PID: 114 Comm: systemd-udevd Not tainted=20 > > 5=2E11=2E0-bpi-r64-pc > > i #3 > > [ 6=2E613819] Hardware name: Bananapi BPI-R64 (DT) > > [ 6=2E618439] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=3D--= ) > > [ 6=2E624452] pc : queued_spin_lock_slowpath+0x1e8/0x31c > > [ 6=2E629608] lr : queued_spin_lock_slowpath+0xac/0x31c > > [ 6=2E634666] sp : ffffffc010f63550 > > [ 6=2E637982] x29: ffffffc010f63550 x28: 000000000000fc7e > > [ 6=2E643306] x27: ffffffc010c67410 x26: 0000000000080000 > > [ 6=2E648629] x25: ffffffc010c67880 x24: ffffffc010f63810 > > [ 6=2E653950] x23: 0000000000000000 x22: ffffffc010ba8860 > > [ 6=2E659270] x21: ffffff803fdcc540 x20: ffffffc010a1c540 > > [ 6=2E664591] x19: ffffff80016a1708 x18: 0000000000000000 > > [ 6=2E669914] x17: 0000000000000000 x16: 0000000000000000 > > [ 6=2E675236] x15: 000000000000000a x14: 0000000000000092 > > [ 6=2E680560] x13: ffffff8006671004 x12: 0000000000000000 > > [ 6=2E685883] x11: 0101010101010101 x10: ffffff8001635568 > > [ 6=2E691206] x9 : 0000000000080000 x8 : ffffff8001635560 > > [ 6=2E696529] x7 : 0000000000000000 x6 : ffffff803fdcc540 > > [ 6=2E701849] x5 : 0000000000000002 x4 : 0000000000080000 > > [ 6=2E707170] x3 : ffffff80016a170a x2 : 000000000000016a > > [ 6=2E712493] x1 : ffffff80031c6520 x0 : ffffffc010a1c560 > > [ 6=2E717818] Call trace: > > [ 6=2E720276] queued_spin_lock_slowpath+0x1e8/0x31c > > [ 6=2E725086] do_raw_spin_lock+0x2c/0x38 > > [ 6=2E728931] _raw_spin_lock+0x24/0x34 > > [ 6=2E732606] __mutex_lock=2Eisra=2E0+0xc4/0x29c > > [ 6=2E736799] __mutex_lock_slowpath+0x14/0x20 > > [ 6=2E741078] mutex_lock+0x28/0x34 > > [ 6=2E744402] mtk_pcie_irq_domain_alloc+0x3c/0xd0 > > [ 6=2E749037] irq_domain_alloc_irqs_hierarchy+0x50/0x54 > > [ 6=2E754187] irq_domain_alloc_irqs_parent+0x18/0x2c > > [ 6=2E759073] msi_domain_alloc+0x8c/0x12c > > [ 6=2E763007] irq_domain_alloc_irqs_hierarchy+0x50/0x54 > > [ 6=2E768154] __irq_domain_alloc_irqs+0x114/0x344 > > [ 6=2E772780] __msi_domain_alloc_irqs+0x110/0x318 > > [ 6=2E777408] msi_domain_alloc_irqs+0x1c/0x28 > > [ 6=2E781685] pci_msi_setup_msi_irqs=2Eisra=2E0+0x2c/0x44 > > [ 6=2E786662] __pci_enable_msi_range+0x230/0x320 > > [ 6=2E791202] pci_enable_msi+0x1c/0x30 > > [ 6=2E794874] ath10k_pci_probe+0x480/0x748 [ath10k_pci] > > [ 6=2E800058] pci_device_probe+0xbc/0x14c > > [ 6=2E804014] really_probe+0x2a0/0x470 > > [ 6=2E807701] driver_probe_device+0x12c/0x13c > > [ 6=2E811981] device_driver_attach+0x44/0x70 > > [ 6=2E816181] __driver_attach+0x13c/0x140 > > [ 6=2E820126] bus_for_each_dev+0x70/0xc0 > > [ 6=2E823971] driver_attach+0x24/0x30 > > [ 6=2E827556] bus_add_driver+0x1a4/0x1ec > > [ 6=2E831401] driver_register+0xb4/0xec > > [ 6=2E835168] __pci_register_driver+0x44/0x50 > > [ 6=2E839465] ath10k_pci_init+0x28/0x1000 [ath10k_pci] > > [ 6=2E844563] do_one_initcall+0x6c/0x188 > > [ 6=2E848431] do_init_module+0x5c/0x1e8 > > [ 6=2E852205] load_module+0x1124/0x11c8 > > [ 6=2E855967] __do_sys_finit_module+0xdc/0x100 > > [ 6=2E860335] __arm64_sys_finit_module+0x1c/0x28 > > [ 6=2E864877] el0_svc_common=2Econstprop=2E0+0x124/0x198 > > [ 6=2E869766] do_el0_svc+0x48/0x78 > > [ 6=2E873089] el0_svc+0x14/0x20 > > [ 6=2E876158] el0_sync_handler+0xcc/0x154 > > [ 6=2E880091] el0_sync+0x174/0x180 > > [ 6=2E883425] Code: d37c0400 51000421 8b000280 f861dac1 (f8216806) > > [ 6=2E889525] ---[ end trace 62498e1f489ea3ab ]--- > >=20 > > i guess it's a bug in ath10k driver or my r64 board (it is a v1=2E1 > > which has missing capacitors on tx lines)=2E >=20 > No, this definitely looks like a bug in the MTK PCIe driver, > where the mutex is either not properly initialised, corrupted, > or the wrong pointer is passed=2E but why does it happen only with the ath10k-card and not the mt7612 in sam= e slot? > This r64 machine is supposed to have working MSIs, right? imho mt7622 have working MSI > Do you get the same issue without this series? tested 5=2E11=2E0 [1] without this series (but with your/thomas' patch fro= m discussion about my old patch) and got same trace=2E so this series does = not break anything here=2E > > Tried with an mt7612e, this seems to work without any errors=2E > >=20 > > so for mt7622/mt7623 > >=20 > > Tested-by: Frank Wunderlich >=20 > We definitely need to understand the above=2E there is a hardware-bug which may cause this=2E=2E=2Eafair i saw this with= the card in r64 with earlier Kernel-versions where other cards work (like = the mt7612e)=2E regards Frank [1] https://github=2Ecom/frank-w/BPI-R2-4=2E14/commits/5=2E11-main (pci: f= ix MSI issue part X) 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=-13.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, 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merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1lGhTe-0002lB-Ih; Mon, 01 Mar 2021 12:16:43 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1614600961; bh=IugOcQwF7kZOdBy0dRHTD1u48P9vwTmyHJA5VWLAxnU=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date:In-Reply-To:References; b=ATiwrXBlzuoW1eFkyOgBd3duYWT+ZZyZk+rQQUfyQKt/Gljgo+4+MtGpNRXz1Besa qy39/CBrMy4ufKY1utr3+5rorKTlCqWRhjhax/Z4S/5pbjBIf7TF1i9jRz98GP5rFl tS3BLkBD6KCnw+RO4CDyNNtmXiIWjhCtysEw7Bos= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from [217.61.155.40] ([217.61.155.40]) by web-mail.gmx.net (3c-app-gmx-bap67.server.lan [172.19.172.67]) (via HTTP); Mon, 1 Mar 2021 13:16:01 +0100 MIME-Version: 1.0 Message-ID: From: Frank Wunderlich To: Marc Zyngier Subject: Aw: Re: [PATCH 09/13] PCI: mediatek: Advertise lack of MSI handling Date: Mon, 1 Mar 2021 13:16:01 +0100 Importance: normal Sensitivity: Normal In-Reply-To: References: 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Y. Srinivasan" , Will Deacon , Marek Vasut , Rob Herring , Wei Liu , Lorenzo Pieralisi , Stephen Hemminger , Michal Simek , Jonathan Hunter , Thierry Reding , Haiyang Zhang , Ryder Lee , linux-mediatek@lists.infradead.org, Paul Walmsley , linux-tegra@vger.kernel.org, Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Yoshihiro Shimoda , linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org CgpyZWdhcmRzIEZyYW5rCgoKPiBHZXNlbmRldDogTW9udGFnLCAwMS4gTcOkcnogMjAyMSB1bSAx Mjo0OSBVaHIKPiBWb246ICJNYXJjIFp5bmdpZXIiIDxtYXpAa2VybmVsLm9yZz4KPiBGcmFuaywK PiAKPiBPbiAyMDIxLTAzLTAxIDEwOjQzLCBGcmFuayBXdW5kZXJsaWNoIHdyb3RlOgo+ID4gdGVz dGVkIGZ1bGwgc2VyaWVzIG9uIGJhbmFuYXBpLXIyIGFuZCByNjQKPiA+IAo+ID4gcjIgKHdpdGgg bXQ3NjE1KSBsb29rcyBnb29kLgo+ID4gCj4gPiBvbiByNjQgKHdpdGggYXRoZXJvcyBjYXJkIFdM 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Y. Srinivasan" , Will Deacon , Marek Vasut , Rob Herring , Wei Liu , Lorenzo Pieralisi , Stephen Hemminger , Michal Simek , Jonathan Hunter , Thierry Reding , Haiyang Zhang , Ryder Lee , linux-mediatek@lists.infradead.org, Paul Walmsley , linux-tegra@vger.kernel.org, Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Yoshihiro Shimoda , linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org CgpyZWdhcmRzIEZyYW5rCgoKPiBHZXNlbmRldDogTW9udGFnLCAwMS4gTcOkcnogMjAyMSB1bSAx Mjo0OSBVaHIKPiBWb246ICJNYXJjIFp5bmdpZXIiIDxtYXpAa2VybmVsLm9yZz4KPiBGcmFuaywK PiAKPiBPbiAyMDIxLTAzLTAxIDEwOjQzLCBGcmFuayBXdW5kZXJsaWNoIHdyb3RlOgo+ID4gdGVz dGVkIGZ1bGwgc2VyaWVzIG9uIGJhbmFuYXBpLXIyIGFuZCByNjQKPiA+IAo+ID4gcjIgKHdpdGgg bXQ3NjE1KSBsb29rcyBnb29kLgo+ID4gCj4gPiBvbiByNjQgKHdpdGggYXRoZXJvcyBjYXJkIFdM 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