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[72.194.116.95]) by smtp.gmail.com with ESMTPSA id q28sm2659851pfn.152.2022.01.20.19.51.52 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 20 Jan 2022 19:51:53 -0800 (PST) Message-ID: <85dc13e0-b309-6cf1-e132-6fe5d9dbe88e@gmail.com> Date: Thu, 20 Jan 2022 19:51:52 -0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: [BUG] bcm2711: bad_chained_irq in brcmstb_l2_intc_irq_handle Content-Language: en-US From: Florian Fainelli To: Stefan Wahren , Maxime Ripard Cc: Phil Elwell , Dave Stevenson , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" , Nicolas Saenz Julienne References: <330c4d09-3ba7-dfc7-25a7-4840b2ea6784@i2se.com> <20220120153928.yvkrqduoytddvegs@houat> <84253e32-8dbf-dc2e-f44f-4555b8888f8c@i2se.com> <409091e8-abec-ce90-a247-246167223d92@gmail.com> <8a040749-e4fa-8b9d-e3e9-377a1e6f27a0@gmail.com> In-Reply-To: <8a040749-e4fa-8b9d-e3e9-377a1e6f27a0@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220120_195155_432273_22A58627 X-CRM114-Status: GOOD ( 11.51 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 On 1/20/2022 1:38 PM, Florian Fainelli wrote: > > > On 1/20/2022 1:23 PM, Stefan Wahren wrote: >> Hi, >> >> Am 20.01.22 um 20:48 schrieb Florian Fainelli: >>> >>> Can we get the full dump of the Device Tree that you are running with? >>> Something like: >>> >>> dtc -I fs /proc/device-tree -O dts > live.dts >>> >>> would be helpful to figure out what is going on here. >> >> sorry guys, i assumed that the Arch people know what they do. I figured >> out that they mixed the vendor DTB with the mainline kernel. > > No worries, it's always good to be thrown debugging exercises :), glad > you figured it out. The kernel could have been a bit more verbose about that error case, let me try to reproduce this locally with a maliciously crafted DTB and see if we can detect an attempt to register a flow handler on an existing interrupt descriptor, and vice versa. Thanks! -- Florian _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel