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=-9.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=unavailable 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 5938BC433E0 for ; Mon, 1 Mar 2021 11:51:37 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C4E5464E38 for ; Mon, 1 Mar 2021 11:51:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C4E5464E38 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Type: Content-Transfer-Encoding:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:Message-ID:References:In-Reply-To:Subject:To:From: Date:MIME-Version:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=2kt+pyd5O+IGVqW2xjGbtr6ViatZVzc62KrcBbDNmQU=; b=DnICc36Ony89La+i4mrH7q2PE i1M+2SunyPHWnSp/3V7HSvFmRNFINeHxupja2ShEePEacG1PS5aRI8MkYVGTtTL9tRSUeRcG542I4 U2AJ2UOcaDABw0RtYR66Q+DyGo8SBnpi9ceZ/7rMAP2GlrScsUcviVbMfSgJC7QZU627Z10VW9ykB bjbDxEsX4XcK/Sy1MSOBsKIA7L9Y8jHlydf9CjW0WbchFDeYnvpcSoJgGdF7ofhhcDX333x2r8bMh jaEYgjVrH1P5cJlJ1rd/RGUfvNcjvtOJUQNI//YwRE5RNheYFH5febmiqnN/i/JVQ6LrFvAqZT4p5 g+Zdi6ddg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1lGh3x-0001FN-9g; Mon, 01 Mar 2021 11:50:09 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1lGh3u-0001E2-3v; Mon, 01 Mar 2021 11:50:07 +0000 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id CB2C764E22; Mon, 1 Mar 2021 11:50:01 +0000 (UTC) Received: from disco-boy.misterjones.org ([51.254.78.96] helo=www.loen.fr) by disco-boy.misterjones.org with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.94) (envelope-from ) id 1lGh3n-00GOS8-Ml; Mon, 01 Mar 2021 11:49:59 +0000 MIME-Version: 1.0 Date: Mon, 01 Mar 2021 11:49:59 +0000 From: Marc Zyngier To: Frank Wunderlich Subject: Re: Aw: [PATCH 09/13] PCI: mediatek: Advertise lack of MSI handling In-Reply-To: References: <20210225151023.3642391-1-maz@kernel.org> <20210225151023.3642391-10-maz@kernel.org> User-Agent: Roundcube Webmail/1.4.11 Message-ID: X-Sender: maz@kernel.org X-SA-Exim-Connect-IP: 51.254.78.96 X-SA-Exim-Rcpt-To: frank-w@public-files.de, lorenzo.pieralisi@arm.com, bhelgaas@google.com, treding@nvidia.com, tglx@linutronix.de, robh@kernel.org, will@kernel.org, kys@microsoft.com, haiyangz@microsoft.com, sthemmin@microsoft.com, wei.liu@kernel.org, thierry.reding@gmail.com, jonathanh@nvidia.com, ryder.lee@mediatek.com, marek.vasut+renesas@gmail.com, yoshihiro.shimoda.uh@renesas.com, michal.simek@xilinx.com, paul.walmsley@sifive.com, 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 X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210301_065006_312688_A7BB37C3 X-CRM114-Status: GOOD ( 15.96 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-hyperv@vger.kernel.org, linux-pci@vger.kernel.org, Bjorn Helgaas , Thierry Reding , "K. 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-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Frank, On 2021-03-01 10:43, Frank Wunderlich wrote: > tested full series on bananapi-r2 and r64 > > r2 (with mt7615) looks good. > > on r64 (with atheros card WLE900VX) i see this while loading ath10k > driver: > > [ 6.525981] ath10k_pci 0000:01:00.0: enabling device (0000 -> 0002) > [ 6.537810] ath10k_pci 0000:01:00.0: enabling bus mastering > [ 6.543831] Unable to handle kernel paging request at virtual > address ffffff4 > 013be2a80 > [ 6.551890] Mem abort info: > [ 6.554744] ESR = 0x96000044 > [ 6.557870] EC = 0x25: DABT (current EL), IL = 32 bits > [ 6.563267] SET = 0, FnV = 0 > [ 6.566396] EA = 0, S1PTW = 0 > [ 6.569611] Data abort info: > [ 6.572501] ISV = 0, ISS = 0x00000044 > [ 6.576411] CM = 0, WnR = 1 > [ 6.579450] [ffffff4013be2a80] address between user and kernel > address ranges > [ 6.586659] Internal error: Oops: 96000044 [#1] PREEMPT SMP > [ 6.592248] Modules linked in: ath10k_pci(+) ath10k_core ath > mac80211 libarc4 > btmtkuart cfg80211 bluetooth ecdh_generic ecc rfkill libaes ip_tables > x_tables > [ 6.606329] CPU: 1 PID: 114 Comm: systemd-udevd Not tainted > 5.11.0-bpi-r64-pc > i #3 > [ 6.613819] Hardware name: Bananapi BPI-R64 (DT) > [ 6.618439] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--) > [ 6.624452] pc : queued_spin_lock_slowpath+0x1e8/0x31c > [ 6.629608] lr : queued_spin_lock_slowpath+0xac/0x31c > [ 6.634666] sp : ffffffc010f63550 > [ 6.637982] x29: ffffffc010f63550 x28: 000000000000fc7e > [ 6.643306] x27: ffffffc010c67410 x26: 0000000000080000 > [ 6.648629] x25: ffffffc010c67880 x24: ffffffc010f63810 > [ 6.653950] x23: 0000000000000000 x22: ffffffc010ba8860 > [ 6.659270] x21: ffffff803fdcc540 x20: ffffffc010a1c540 > [ 6.664591] x19: ffffff80016a1708 x18: 0000000000000000 > [ 6.669914] x17: 0000000000000000 x16: 0000000000000000 > [ 6.675236] x15: 000000000000000a x14: 0000000000000092 > [ 6.680560] x13: ffffff8006671004 x12: 0000000000000000 > [ 6.685883] x11: 0101010101010101 x10: ffffff8001635568 > [ 6.691206] x9 : 0000000000080000 x8 : ffffff8001635560 > [ 6.696529] x7 : 0000000000000000 x6 : ffffff803fdcc540 > [ 6.701849] x5 : 0000000000000002 x4 : 0000000000080000 > [ 6.707170] x3 : ffffff80016a170a x2 : 000000000000016a > [ 6.712493] x1 : ffffff80031c6520 x0 : ffffffc010a1c560 > [ 6.717818] Call trace: > [ 6.720276] queued_spin_lock_slowpath+0x1e8/0x31c > [ 6.725086] do_raw_spin_lock+0x2c/0x38 > [ 6.728931] _raw_spin_lock+0x24/0x34 > [ 6.732606] __mutex_lock.isra.0+0xc4/0x29c > [ 6.736799] __mutex_lock_slowpath+0x14/0x20 > [ 6.741078] mutex_lock+0x28/0x34 > [ 6.744402] mtk_pcie_irq_domain_alloc+0x3c/0xd0 > [ 6.749037] irq_domain_alloc_irqs_hierarchy+0x50/0x54 > [ 6.754187] irq_domain_alloc_irqs_parent+0x18/0x2c > [ 6.759073] msi_domain_alloc+0x8c/0x12c > [ 6.763007] irq_domain_alloc_irqs_hierarchy+0x50/0x54 > [ 6.768154] __irq_domain_alloc_irqs+0x114/0x344 > [ 6.772780] __msi_domain_alloc_irqs+0x110/0x318 > [ 6.777408] msi_domain_alloc_irqs+0x1c/0x28 > [ 6.781685] pci_msi_setup_msi_irqs.isra.0+0x2c/0x44 > [ 6.786662] __pci_enable_msi_range+0x230/0x320 > [ 6.791202] pci_enable_msi+0x1c/0x30 > [ 6.794874] ath10k_pci_probe+0x480/0x748 [ath10k_pci] > [ 6.800058] pci_device_probe+0xbc/0x14c > [ 6.804014] really_probe+0x2a0/0x470 > [ 6.807701] driver_probe_device+0x12c/0x13c > [ 6.811981] device_driver_attach+0x44/0x70 > [ 6.816181] __driver_attach+0x13c/0x140 > [ 6.820126] bus_for_each_dev+0x70/0xc0 > [ 6.823971] driver_attach+0x24/0x30 > [ 6.827556] bus_add_driver+0x1a4/0x1ec > [ 6.831401] driver_register+0xb4/0xec > [ 6.835168] __pci_register_driver+0x44/0x50 > [ 6.839465] ath10k_pci_init+0x28/0x1000 [ath10k_pci] > [ 6.844563] do_one_initcall+0x6c/0x188 > [ 6.848431] do_init_module+0x5c/0x1e8 > [ 6.852205] load_module+0x1124/0x11c8 > [ 6.855967] __do_sys_finit_module+0xdc/0x100 > [ 6.860335] __arm64_sys_finit_module+0x1c/0x28 > [ 6.864877] el0_svc_common.constprop.0+0x124/0x198 > [ 6.869766] do_el0_svc+0x48/0x78 > [ 6.873089] el0_svc+0x14/0x20 > [ 6.876158] el0_sync_handler+0xcc/0x154 > [ 6.880091] el0_sync+0x174/0x180 > [ 6.883425] Code: d37c0400 51000421 8b000280 f861dac1 (f8216806) > [ 6.889525] ---[ end trace 62498e1f489ea3ab ]--- > > i guess it's a bug in ath10k driver or my r64 board (it is a v1.1 > which has missing capacitors on tx lines). 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. This r64 machine is supposed to have working MSIs, right? Do you get the same issue without this series? > Tried with an mt7612e, this seems to work without any errors. > > so for mt7622/mt7623 > > Tested-by: Frank Wunderlich We definitely need to understand the above. Thanks, M. -- Jazz is not dead. It just smells funny... _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel