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Fri, 24 Apr 2020 10:48:57 -0500 Received: from [127.0.0.1] (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 03OFmrEs029197; Fri, 24 Apr 2020 10:48:54 -0500 Subject: Re: OF: ERROR: Bad of_node_put() on /ocp/interconnect@4a000000/segment@0/target-module@8000/cm_core@0/l4per-cm@1700/l4per-clkctrl@28 To: Tony Lindgren CC: Naresh Kamboju , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , open list , , , Mark Rutland , Rob Herring , Benoit Cousson , Carlos Hernandez , Thomas Gleixner , Olof Johansson , , Anders Roxell References: <20200417152903.GO37466@atomide.com> <6366d76c-b9dc-6fa5-afad-0b2f471f8ec5@ti.com> <20200424153806.GJ37466@atomide.com> From: Tero Kristo Message-ID: <913875ab-1b78-e37c-a168-3eb6e4815edb@ti.com> Date: Fri, 24 Apr 2020 18:48:52 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: <20200424153806.GJ37466@atomide.com> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org On 24/04/2020 18:38, Tony Lindgren wrote: > * Tero Kristo [200424 12:41]: >> On 17/04/2020 18:29, Tony Lindgren wrote: >>> * Naresh Kamboju [200327 16:44]: >>>> The reported problem still happening on arm beagle board x15 device >>>> running Linux next kernel 20200327. >>> ... >>> >>>> [ 0.000000] OF: ERROR: Bad of_node_put() on >>>> /ocp/interconnect@4a000000/segment@0/target-module@8000/cm_core@0/l4per-cm@1700/l4per-clkctrl@28 >>>> [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W >>>> 5.6.0-rc7-next-20200327 #1 >>>> [ 0.000000] Hardware name: Generic DRA74X (Flattened Device Tree) >>>> [ 0.000000] [] (unwind_backtrace) from [] >>>> (show_stack+0x10/0x14) >>>> [ 0.000000] [] (show_stack) from [] >>>> (dump_stack+0xbc/0xd0) >>>> [ 0.000000] [] (dump_stack) from [] >>>> (kobject_put+0xc0/0x104) >>>> [ 0.000000] [] (kobject_put) from [] >>>> (of_clk_init+0x18c/0x228) >>>> [ 0.000000] [] (of_clk_init) from [] >>>> (omap_clk_init+0x3c/0x58) >>>> [ 0.000000] [] (omap_clk_init) from [] >>>> (omap4_sync32k_timer_init+0x8/0x2c) >>>> [ 0.000000] [] (omap4_sync32k_timer_init) from >>>> [] (omap5_realtime_timer_init+0x8/0x234) >>>> [ 0.000000] [] (omap5_realtime_timer_init) from >>>> [] (start_kernel+0x330/0x4b8) >>> >>> Just FYI, Tero is looking at the clock issues that seem to be >>> causing these warnings. >> >> Haven't seen this before, but easily reproducible with multi_v7_defconfig. I >> have a simple fix for it now, will post to lists soon. > > OK thanks for tracking it down. No problem, sorry about the latency in my response though. I guess I got too many things on my plate. :) -Tero -- Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki