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=-10.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,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 1F603C433E6 for ; Fri, 12 Mar 2021 12:54:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E260264FC3 for ; Fri, 12 Mar 2021 12:54:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229587AbhCLMy0 (ORCPT ); Fri, 12 Mar 2021 07:54:26 -0500 Received: from mail-40131.protonmail.ch ([185.70.40.131]:47057 "EHLO mail-40131.protonmail.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231294AbhCLMyX (ORCPT ); Fri, 12 Mar 2021 07:54:23 -0500 Date: Fri, 12 Mar 2021 12:54:18 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=pm.me; s=protonmail; t=1615553660; bh=TjsJjJEsnOMc4cWRtZ6f5Lp3x/NEd3w5TzKp8We9KwA=; h=Date:To:From:Cc:Reply-To:Subject:In-Reply-To:References:From; b=TgE9qglRisIP2dH2bbrVDOCdh6nnLsDqJqe62r11lW89JH8r6RzYBGBpKKxypmV9c YjZ1pxzLzKGBQ2+VH3HeVXgf0ZVamg1/o5fpOtPINLDkvw34HJJIqU0Mvhko0vhZQG YujY6Gq5CgX5jIBlRJVfIXG3YzTxdOapIE9XQCy/Kg7rFn8QbFkv/ncX2ln/fmwcpx A20ALTH5Jqip2lrr7LzXZ6znyjSwbkSF6rz4tu5IiHeS1Dy794cla8QzSiwlB7ASq7 vtJN37TbtemIJgLiTEGuVER62yC9YIWkiXVesK29Xfeou7Zo2GADOKm2mixrLRnGkH Pd1vbGWbNW/gA== To: Florian Fainelli From: Alexander Lobakin Cc: Alexander Lobakin , Greg KH , linux-kernel@vger.kernel.org, =?utf-8?Q?Pali_Roh=C3=A1r?= , torvalds@linux-foundation.org, akpm@linux-foundation.org, linux@roeck-us.net, shuah@kernel.org, patches@kernelci.org, lkft-triage@lists.linaro.org, pavel@denx.de, jonathanh@nvidia.com, stable@vger.kernel.org Reply-To: Alexander Lobakin Subject: Re: [PATCH 5.4 00/24] 5.4.105-rc1 review Message-ID: <20210312125408.5774-1-alobakin@pm.me> In-Reply-To: <40f06036-c6de-706b-30a0-e20de0c6ff57@gmail.com> References: <20210310132320.550932445@linuxfoundation.org> <29dcd801-7f1e-ae09-9b88-ce17cb096f60@gmail.com> <61cef8f0-c40a-c4e4-5322-9939ed21bff7@gmail.com> <40f06036-c6de-706b-30a0-e20de0c6ff57@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Florian Fainelli Date: Thu, 11 Mar 2021 09:41:27 -0800 Hi Florian, > On 3/11/21 9:40 AM, Greg KH wrote: > > On Thu, Mar 11, 2021 at 09:23:56AM -0800, Florian Fainelli wrote: > >> On 3/11/21 5:08 AM, Greg KH wrote: > >>> On Wed, Mar 10, 2021 at 08:19:45PM -0800, Florian Fainelli wrote: > >>>> +Alex, > >>>> > >>>> On 3/10/2021 5:24 AM, gregkh@linuxfoundation.org wrote: > >>>>> From: Greg Kroah-Hartman > >>>>> > >>>>> This is the start of the stable review cycle for the 5.4.105 releas= e. > >>>>> There are 24 patches in this series, all will be posted as a respon= se > >>>>> to this one. If anyone has any issues with these being applied, pl= ease > >>>>> let me know. > >>>>> > >>>>> Responses should be made by Fri, 12 Mar 2021 13:23:09 +0000. > >>>>> Anything received after that time might be too late. > >>>>> > >>>>> The whole patch series can be found in one patch at: > >>>>> =09https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch= -5.4.105-rc1.gz > >>>>> or in the git tree and branch at: > >>>>> =09git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stabl= e-rc.git linux-5.4.y > >>>>> and the diffstat can be found below. > >>>>> > >>>>> thanks, > >>>>> > >>>>> greg k-h > >>>> > >>>> I believe you need to drop "net: dsa: add GRO support via gro_cells"= as > >>>> it causes the following kernel panic on a DSA-enabled platform: > >>>> > >>>> Configuring rgmii_2 interface > >>>> [ 10.170527] brcm-sf2 f0b00000.ethernet_switch rgmii_2: configurin= g > >>>> for fixed/rgmii-txid link mode > >>>> [ 10.179597] 8021q: adding VLAN 0 to HW filter on device rgmii_2 > >>>> [ 10.185608] brcm-sf2 f0b00000.ethernet_switch rgmii_2: Link is Up= - > >>>> 1Gbps/Full - flow control off > >>>> [ 10.198631] IPv6: ADDRCONF(NETDEV_CHANGE): rgmii_2: link becomes = ready > >>>> Configuring sit0 interface > >>>> [ 10.254346] 8<--- cut here --- > >>>> [ 10.257438] Unable to handle kernel paging request at virtual add= ress > >>>> d6df6190 > >>>> [ 10.264685] pgd =3D (ptrval) > >>>> [ 10.267411] [d6df6190] *pgd=3D80000000007003, *pmd=3D00000000 > >>>> [ 10.272846] Internal error: Oops: 206 [#1] SMP ARM > >>>> [ 10.277661] Modules linked in: > >>>> [ 10.280739] CPU: 0 PID: 1886 Comm: sed Not tainted > >>>> 5.4.105-1.0pre-geff642e2af2b #4 > >>>> [ 10.288337] Hardware name: Broadcom STB (Flattened Device Tree) > >>>> [ 10.294292] PC is at gro_cells_receive+0x90/0x11c > >>>> [ 10.299020] LR is at dsa_switch_rcv+0x120/0x1d4 > >>>> [ 10.303562] pc : [] lr : [] psr: 600f01= 13 > >>>> [ 10.309841] sp : c1d33cd0 ip : 000003e8 fp : c1d33ce4 > >>>> [ 10.315078] r10: c8901000 r9 : c8901000 r8 : c0b4a53c > >>>> [ 10.320314] r7 : c2208920 r6 : 00000000 r5 : 00000000 r4 : 000= 04000 > >>>> [ 10.326855] r3 : d6df6188 r2 : c4927000 r1 : c8adc300 r0 : c22= 069dc > >>>> [ 10.333398] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM > >>>> Segment user > >>>> [ 10.340547] Control: 30c5387d Table: 04ac4c80 DAC: fffffffd > >>>> [ 10.346307] Process sed (pid: 1886, stack limit =3D 0x(ptrval)) > >>>> [ 10.352066] Stack: (0xc1d33cd0 to 0xc1d34000) > >>>> [ 10.356434] 3cc0: c8adc300 > >>>> c4927000 c1d33d04 c1d33ce8 > >>>> [ 10.364631] 3ce0: c0b4a65c c0a579a4 c1d33d24 c2208920 c1d33d24 > >>>> 00000000 c1d33d5c c1d33d08 > >>>> [ 10.372827] 3d00: c0a0b38c c0b4a548 c021e070 c2204cc8 00000000 > >>>> c89015c0 04b87700 c89015c0 > >>>> [ 10.381023] 3d20: c2208920 c1d33d24 c1d33d24 00976ec2 04b87700 > >>>> c8adc300 c89015c0 00000000 > >>>> [ 10.389218] 3d40: c1d33d74 c1d32000 00000000 c230742c c1d33dac > >>>> c1d33d60 c0a0b5c0 c0a0b180 > >>>> [ 10.397414] 3d60: 00000000 c2204cc8 00000000 c1d33d6c c1d33d6c > >>>> c1d33d80 c029daf8 00976ec2 > >>>> [ 10.405610] 3d80: 00000800 c8901540 c89015c0 c8901540 00000000 > >>>> 00000001 0000016c 00000162 > >>>> [ 10.413805] 3da0: c1d33dc4 c1d33db0 c0a0b7fc c0a0b3b8 00000000 > >>>> c8adc300 c1d33dfc c1d33dc8 > >>>> [ 10.422001] 3dc0: c0a0c660 c0a0b7e4 c8901540 c8adc300 c1d33dfc > >>>> c1d33de0 c8901540 c8adc300 > >>>> [ 10.430196] 3de0: 0000015e c8901000 00000001 0000016c c1d33e74 > >>>> c1d33e00 c083df00 c0a0c4fc > >>>> [ 10.438391] 3e00: 0000012c c22b0f14 c1d33e4c c1d33e18 c0fbd9b8 > >>>> c0fbd9cc c0fbd9e0 c0fbd98c > >>>> [ 10.446586] 3e20: 00000001 00000040 c8901500 00000001 00000000 > >>>> 00000000 00000000 00000000 > >>>> [ 10.454780] 3e40: 00000000 00000000 c02f65a0 c8901540 00000001 > >>>> 00000040 c22b07e4 0000012c > >>>> [ 10.462975] 3e60: d1003000 fffb942f c1d33edc c1d33e78 c0a0c94c > >>>> c083dafc d051ad80 c2204cc8 > >>>> [ 10.471170] 3e80: c2204cf0 c1d32000 c22b40b0 0e4a4000 c2076d80 > >>>> c2203d00 c022bc70 c1d33e9c > >>>> [ 10.479365] 3ea0: c1d33e9c c1d33ea4 c1d33ea4 00976ec2 c02f65a0 > >>>> c220308c 00000003 c1d32000 > >>>> [ 10.487561] 3ec0: c22b07e4 00000100 d1003000 00000008 c1d33f44 > >>>> c1d33ee0 c020238c c0a0c6cc > >>>> [ 10.495755] 3ee0: c1d33f14 c1d33ef0 00000001 00400000 c2203d00 > >>>> fffb942f c206b2e4 c2076040 > >>>> [ 10.503950] 3f00: c2076040 0000000a c2203080 c206b358 c1d33ee0 > >>>> 00000004 c90c9500 ffffe000 > >>>> [ 10.512145] 3f20: 00000000 00000000 00000001 c9019000 d1003000 > >>>> 00000000 c1d33f5c c1d33f48 > >>>> [ 10.520339] 3f40: c022bc70 c0202264 c2075fbc 00000000 c1d33f84 > >>>> c1d33f60 c027feb4 c022bb88 > >>>> [ 10.528535] 3f60: c226d668 c220565c d100200c c1d33fb0 d1002000 > >>>> d1003000 c1d33fac c1d33f88 > >>>> [ 10.536730] 3f80: c0202214 c027fe50 b6f1e0b6 000f0030 ffffffff > >>>> 30c5387d 30c5387d 00000000 > >>>> [ 10.544924] 3fa0: 00000000 c1d33fb0 c0201d8c c02021c4 b6ec1778 > >>>> b6f32094 62632e73 62740000 > >>>> [ 10.553120] 3fc0: 00172e73 00001700 b6f3293c 00000001 00000001 > >>>> 00000000 00000000 00000006 > >>>> [ 10.561316] 3fe0: ffffffff bef37ac8 b6f18151 b6f1e0b6 000f0030 > >>>> ffffffff 00000000 00000000 > >>>> [ 10.569508] Backtrace: > >>>> [ 10.571970] [] (gro_cells_receive) from [] > >>>> (dsa_switch_rcv+0x120/0x1d4) > >>>> [ 10.580338] r5:c4927000 r4:c8adc300 > >>>> [ 10.583929] [] (dsa_switch_rcv) from [] > >>>> (__netif_receive_skb_list_core+0x218/0x238) > >>>> [ 10.593343] r7:00000000 r6:c1d33d24 r5:c2208920 r4:c1d33d24 > >>>> [ 10.599017] [] (__netif_receive_skb_list_core) from > >>>> [] (netif_receive_skb_list_internal+0x214/0x2dc) > >>>> [ 10.609909] r10:c230742c r9:00000000 r8:c1d32000 r7:c1d33d74 > >>>> r6:00000000 r5:c89015c0 > >>>> [ 10.617755] r4:c8adc300 > >>>> [ 10.620300] [] (netif_receive_skb_list_internal) from > >>>> [] (gro_normal_list.part.42+0x24/0x38) > >>>> [ 10.630496] r10:00000162 r9:0000016c r8:00000001 r7:00000000 > >>>> r6:c8901540 r5:c89015c0 > >>>> [ 10.638342] r4:c8901540 > >>>> [ 10.640885] [] (gro_normal_list.part.42) from [] > >>>> (napi_complete_done+0x170/0x1d0) > >>>> [ 10.650123] r5:c8adc300 r4:00000000 > >>>> [ 10.653712] [] (napi_complete_done) from [] > >>>> (bcm_sysport_poll+0x410/0x4b4) > >>>> [ 10.662343] r9:0000016c r8:00000001 r7:c8901000 r6:0000015e > >>>> r5:c8adc300 r4:c8901540 > >>>> [ 10.670104] [] (bcm_sysport_poll) from [] > >>>> (net_rx_action+0x28c/0x44c) > >>>> [ 10.678301] r10:fffb942f r9:d1003000 r8:0000012c r7:c22b07e4 > >>>> r6:00000040 r5:00000001 > >>>> [ 10.686146] r4:c8901540 > >>>> [ 10.688693] [] (net_rx_action) from [] > >>>> (__do_softirq+0x134/0x414) > >>>> [ 10.696542] r10:00000008 r9:d1003000 r8:00000100 r7:c22b07e4 > >>>> r6:c1d32000 r5:00000003 > >>>> [ 10.704387] r4:c220308c > >>>> [ 10.706931] [] (__do_softirq) from [] > >>>> (irq_exit+0xf4/0x100) > >>>> [ 10.714257] r10:00000000 r9:d1003000 r8:c9019000 r7:00000001 > >>>> r6:00000000 r5:00000000 > >>>> [ 10.722104] r4:ffffe000 > >>>> [ 10.724650] [] (irq_exit) from [] > >>>> (__handle_domain_irq+0x70/0xc4) > >>>> [ 10.732497] r5:00000000 r4:c2075fbc > >>>> [ 10.736083] [] (__handle_domain_irq) from [] > >>>> (gic_handle_irq+0x5c/0xa0) > >>>> [ 10.744453] r9:d1003000 r8:d1002000 r7:c1d33fb0 r6:d100200c > >>>> r5:c220565c r4:c226d668 > >>>> [ 10.752215] [] (gic_handle_irq) from [] > >>>> (__irq_usr+0x4c/0x60) > >>>> [ 10.759713] Exception stack(0xc1d33fb0 to 0xc1d33ff8) > >>>> [ 10.764776] 3fa0: b6ec1778 > >>>> b6f32094 62632e73 62740000 > >>>> [ 10.772973] 3fc0: 00172e73 00001700 b6f3293c 00000001 00000001 > >>>> 00000000 00000000 00000006 > >>>> [ 10.781167] 3fe0: ffffffff bef37ac8 b6f18151 b6f1e0b6 000f0030 ff= ffffff > >>>> [ 10.787797] r9:00000000 r8:30c5387d r7:30c5387d r6:ffffffff > >>>> r5:000f0030 r4:b6f1e0b6 > >>>> [ 10.795559] Code: e30609dc e34c0220 e083300c e590c000 (e5930008) > >>>> [ 10.801670] ---[ end trace 97c3942fa73eff4c ]--- > >>>> [ 10.806300] Kernel panic - not syncing: Fatal exception in interr= upt > >>>> [ 10.812678] CPU2: stopping > >>>> [ 10.815403] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G D > >>>> 5.4.105-1.0pre-geff642e2af2b #4 > >>>> [ 10.824641] Hardware name: Broadcom STB (Flattened Device Tree) > >>>> [ 10.830573] Backtrace: > >>>> [ 10.833036] [] (dump_backtrace) from [] > >>>> (show_stack+0x20/0x24) > >>>> [ 10.840624] r7:c22a86d0 r6:00000000 r5:600c0193 r4:c22a86d0 > >>>> [ 10.846302] [] (show_stack) from [] > >>>> (dump_stack+0xb8/0xe4) > >>>> [ 10.853546] [] (dump_stack) from [] > >>>> (handle_IPI+0x344/0x3cc) > >>>> [ 10.860960] r10:00000000 r9:c2205400 r8:00000000 r7:00000002 > >>>> r6:c22b0744 r5:00000004 > >>>> [ 10.868807] r4:c22ce308 r3:00976ec2 > >>>> [ 10.872395] [] (handle_IPI) from [] > >>>> (gic_handle_irq+0x9c/0xa0) > >>>> [ 10.879983] r10:00000000 r9:d1003000 r8:d1002000 r7:c9131f18 > >>>> r6:d100200c r5:c220565c > >>>> [ 10.887829] r4:c226d668 > >>>> [ 10.890373] [] (gic_handle_irq) from [] > >>>> (__irq_svc+0x5c/0x7c) > >>>> [ 10.897871] Exception stack(0xc9131f18 to 0xc9131f60) > >>>> [ 10.902934] 1f00: > >>>> c020a47c 00000000 > >>>> [ 10.911131] 1f20: 0e4ca000 600c0093 c9130000 c2204cf0 c2204d34 > >>>> 00000004 00000000 c20757b0 > >>>> [ 10.919327] 1f40: 00000000 c9131f74 c9130000 c9131f68 00000000 > >>>> c020a480 600c0013 ffffffff > >>>> [ 10.927523] r9:c9130000 r8:00000000 r7:c9131f4c r6:ffffffff > >>>> r5:600c0013 r4:c020a480 > >>>> [ 10.935291] [] (arch_cpu_idle) from [] > >>>> (default_idle_call+0x34/0x48) > >>>> [ 10.943403] [] (default_idle_call) from [] > >>>> (do_idle+0x1d4/0x2c0) > >>>> [ 10.951164] [] (do_idle) from [] > >>>> (cpu_startup_entry+0x28/0x2c) > >>>> [ 10.958752] r10:00000000 r9:420f00f3 r8:00007000 r7:c22ce318 > >>>> r6:30c0387d r5:00000002 > >>>> [ 10.966598] r4:0000008a > >>>> [ 10.969142] [] (cpu_startup_entry) from [] > >>>> (secondary_start_kernel+0x17c/0x1a0) > >>>> [ 10.978210] [] (secondary_start_kernel) from [<0020270c= >] > >>>> (0x20270c) > >>>> [ 10.985447] r5:00000000 r4:090eaa40 > >>>> [ 10.989032] CPU3: stopping > >>>> [ 10.991754] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G D > >>>> 5.4.105-1.0pre-geff642e2af2b #4 > >>>> [ 11.000992] Hardware name: Broadcom STB (Flattened Device Tree) > >>>> [ 11.006924] Backtrace: > >>>> [ 11.009384] [] (dump_backtrace) from [] > >>>> (show_stack+0x20/0x24) > >>>> [ 11.016972] r7:c22a86d0 r6:00000000 r5:600f0193 r4:c22a86d0 > >>>> [ 11.022649] [] (show_stack) from [] > >>>> (dump_stack+0xb8/0xe4) > >>>> [ 11.029892] [] (dump_stack) from [] > >>>> (handle_IPI+0x344/0x3cc) > >>>> [ 11.037307] r10:00000000 r9:c2205400 r8:00000000 r7:00000003 > >>>> r6:c22b0744 r5:00000004 > >>>> [ 11.045154] r4:c22ce308 r3:00976ec2 > >>>> [ 11.048741] [] (handle_IPI) from [] > >>>> (gic_handle_irq+0x9c/0xa0) > >>>> [ 11.056329] r10:00000000 r9:d1003000 r8:d1002000 r7:c9133f18 > >>>> r6:d100200c r5:c220565c > >>>> [ 11.064176] r4:c226d668 > >>>> [ 11.066719] [] (gic_handle_irq) from [] > >>>> (__irq_svc+0x5c/0x7c) > >>>> [ 11.074216] Exception stack(0xc9133f18 to 0xc9133f60) > >>>> [ 11.079280] 3f00: > >>>> c020a47c 00000000 > >>>> [ 11.087476] 3f20: 0e4dd000 600f0093 c9132000 c2204cf0 c2204d34 > >>>> 00000008 00000000 c20757b0 > >>>> [ 11.095671] 3f40: 00000000 c9133f74 c9132000 c9133f68 00000000 > >>>> c020a480 600f0013 ffffffff > >>>> [ 11.103867] r9:c9132000 r8:00000000 r7:c9133f4c r6:ffffffff > >>>> r5:600f0013 r4:c020a480 > >>>> [ 11.111633] [] (arch_cpu_idle) from [] > >>>> (default_idle_call+0x34/0x48) > >>>> [ 11.119744] [] (default_idle_call) from [] > >>>> (do_idle+0x1d4/0x2c0) > >>>> [ 11.127506] [] (do_idle) from [] > >>>> (cpu_startup_entry+0x28/0x2c) > >>>> [ 11.135093] r10:00000000 r9:420f00f3 r8:00007000 r7:c22ce318 > >>>> r6:30c0387d r5:00000003 > >>>> [ 11.142939] r4:0000008a > >>>> [ 11.145484] [] (cpu_startup_entry) from [] > >>>> (secondary_start_kernel+0x17c/0x1a0) > >>>> [ 11.154550] [] (secondary_start_kernel) from [<0020270c= >] > >>>> (0x20270c) > >>>> [ 11.161788] r5:00000000 r4:090eaa40 > >>>> [ 11.165372] CPU1: stopping > >>>> [ 11.168094] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G D > >>>> 5.4.105-1.0pre-geff642e2af2b #4 > >>>> [ 11.177332] Hardware name: Broadcom STB (Flattened Device Tree) > >>>> [ 11.183264] Backtrace: > >>>> [ 11.185723] [] (dump_backtrace) from [] > >>>> (show_stack+0x20/0x24) > >>>> [ 11.193311] r7:c22a86d0 r6:00000000 r5:600c0193 r4:c22a86d0 > >>>> [ 11.198988] [] (show_stack) from [] > >>>> (dump_stack+0xb8/0xe4) > >>>> [ 11.206230] [] (dump_stack) from [] > >>>> (handle_IPI+0x344/0x3cc) > >>>> [ 11.213644] r10:00000000 r9:c2205400 r8:00000000 r7:00000001 > >>>> r6:c22b0744 r5:00000004 > >>>> [ 11.221491] r4:c22ce308 r3:00976ec2 > >>>> [ 11.225078] [] (handle_IPI) from [] > >>>> (gic_handle_irq+0x9c/0xa0) > >>>> [ 11.232666] r10:00000000 r9:d1003000 r8:d1002000 r7:c912ff18 > >>>> r6:d100200c r5:c220565c > >>>> [ 11.240512] r4:c226d668 > >>>> [ 11.243054] [] (gic_handle_irq) from [] > >>>> (__irq_svc+0x5c/0x7c) > >>>> [ 11.250553] Exception stack(0xc912ff18 to 0xc912ff60) > >>>> [ 11.255617] ff00: > >>>> c020a47c 00000000 > >>>> [ 11.263814] ff20: 0e4b7000 600c0093 c912e000 c2204cf0 c2204d34 > >>>> 00000002 00000000 c20757b0 > >>>> [ 11.272010] ff40: 00000000 c912ff74 c912e000 c912ff68 00000000 > >>>> c020a480 600c0013 ffffffff > >>>> [ 11.280206] r9:c912e000 r8:00000000 r7:c912ff4c r6:ffffffff > >>>> r5:600c0013 r4:c020a480 > >>>> [ 11.287970] [] (arch_cpu_idle) from [] > >>>> (default_idle_call+0x34/0x48) > >>>> [ 11.296081] [] (default_idle_call) from [] > >>>> (do_idle+0x1d4/0x2c0) > >>>> [ 11.303842] [] (do_idle) from [] > >>>> (cpu_startup_entry+0x28/0x2c) > >>>> [ 11.311430] r10:00000000 r9:420f00f3 r8:00007000 r7:c22ce318 > >>>> r6:30c0387d r5:00000001 > >>>> [ 11.319275] r4:0000008a > >>>> [ 11.321819] [] (cpu_startup_entry) from [] > >>>> (secondary_start_kernel+0x17c/0x1a0) > >>>> [ 11.330886] [] (secondary_start_kernel) from [<0020270c= >] > >>>> (0x20270c) > >>>> [ 11.338124] r5:00000000 r4:090eaa40 > >>>> [ 11.341729] ---[ end Kernel panic - not syncing: Fatal exception = in > >>>> interrupt ]--- > >>>> > >>>> it is not marked as fixing anything so I wonder how it landed in sta= ble? > >>> > >>> It was requested to be merged. > >> > >> OK. > >> > >>> Do you have the same crash on newer kernels with this commit in it (l= ike Linus's tree?) > >> > >> There are no crashes with 5.10 or upstream otherwise it would have bee= n > >> noticed earlier, I have not kept track of which additional changes/fix= es > >> we may need but I would suggest we drop this one for now. > >> > >> Alexander, do you want me to test additional patches if your change > >> somehow must be included in an upcoming 5.4? I thought the platform yo= u > >> are working is still not upstream, so who is going to benefit from thi= s > >> performance improvement? This patch was added to stable trees by Pali, not me (link: [0]). I added him to Ccs, so you can ask him. As you noted correctly, I don't work on/with stable releases. > > Is 4.19 also failing for you now? > > I cannot easily test 4.19 without applying some additional patches > bringing in various ARM SCMI changes, I would suspect the same to > happen. Give me a few hours and I will see if I can give you a better > answer with an actual test. > -- > Florian [0] https://lore.kernel.org/stable/20210308175757.8373-1-pali@kernel.org Thanks, Al