Received: by 2002:a25:e7d8:0:0:0:0:0 with SMTP id e207csp338519ybh; Wed, 11 Mar 2020 02:04:20 -0700 (PDT) X-Google-Smtp-Source: ADFU+vuL44OqeVUbXjb48ljvueuTd97tACD1NjL2Q4Wv5pkTmYYTTuQMLke6BCwr9DdoWtEZ+lUa X-Received: by 2002:a9d:66d1:: with SMTP id t17mr1431846otm.235.1583917460035; Wed, 11 Mar 2020 02:04:20 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1583917460; cv=none; d=google.com; s=arc-20160816; b=KFf8Gea95IXxxOQIb7Xxrp0/mLpFjCjje/P86wCmrNEEv7EatUw2AI4m2j8R+p4xmT 6h04paPqFGCyNOkZUIEYNKT+M4pvTIdtvjevDNxVjDzkr0i8LlGIL9u2mIh8Ow1MvmB5 VkrOuZQF7lNsyLMHIlu6Alc7cZzT3gMhAktqYgfldzmfysX3IORxhG7ZE3LVNbE917D2 Ke+kljmQaqLmUrcwCf7zz4RGQV6naiKxvy0M5r7LxtoSSBazNDUHul/8WOd9GZPTslqt jW6DWOdwTdcL890nHrX0dwAx2BuP0Bwdt0Hlr4vgQSPJq99erSbXPIzNw2AqgTx7H6sD eDCg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:from:references:to:subject; bh=UCb7eG3wuWtyQzHz2CZFVr+Iis3FWHWa+6sWQFLfZCg=; b=cOqUUTy1nCTDYSVK6Cru2QmxVpR6gldyb4TCIJzSRWYIGqu1RO7Phc/m6Y/TkQSorM qLd1sWFS2Hx0hPIVLUG1a2hU7VGwcxtEd3LqT4hnnGkduUlB7OGmhJC06xNarSE2zEMa Zo3QyVp1CUSMWNo6IC+dV5iZCPksyGD5tSx52jYdjhe2h7tAYpMpYveqho2UGuOJzflA Cl7kuUz7p25sgBy0L2l7ehO0bRllmi5oZoMjX7OnJc/RJyeAQpqbG72sgeU55Zt6Kh76 D0fp8WtGOKPikIIdS+LPqKsCGcOjBXiypQnp4jbUCx/7FYgCjgIikVzP2hbfw/z0sD8I n21g== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id q25si789893oij.74.2020.03.11.02.04.07; Wed, 11 Mar 2020 02:04:20 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728668AbgCKJDY (ORCPT + 99 others); Wed, 11 Mar 2020 05:03:24 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:11660 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726362AbgCKJDY (ORCPT ); Wed, 11 Mar 2020 05:03:24 -0400 Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id CFB36B2B86B8CAE8920D; Wed, 11 Mar 2020 17:02:15 +0800 (CST) Received: from [10.134.22.195] (10.134.22.195) by smtp.huawei.com (10.3.19.201) with Microsoft SMTP Server (TLS) id 14.3.487.0; Wed, 11 Mar 2020 17:02:11 +0800 Subject: Re: [f2fs-dev] Writes stoped working on f2fs after the compression support was added To: =?UTF-8?Q?Ond=c5=99ej_Jirman?= , Jaegeuk Kim , , References: <20200224135837.k54ke4ppca26ibec@core.my.home> <20200224140349.74yagjdwewmclx4v@core.my.home> <20200224143149.au6hvmmfw4ajsq2g@core.my.home> <39712bf4-210b-d7b6-cbb1-eb57585d991a@huawei.com> <20200225120814.gjm4dby24cs22lux@core.my.home> <20200225122706.d6pngz62iwyowhym@core.my.home> <72d28eba-53b9-b6f4-01a5-45b2352f4285@huawei.com> <20200226121143.uag224cqzqossvlv@core.my.home> <20200226180557.le2fr66fyuvrqker@core.my.home> <7b62f506-f737-9fb2-6e8e-4b1c454f03b2@huawei.com> <20200306120203.2p34ezryzxb2jeuk@core.my.home> From: Chao Yu Message-ID: <0ce08d13-ca00-2823-94eb-8274c332a8ef@huawei.com> Date: Wed, 11 Mar 2020 17:02:10 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20200306120203.2p34ezryzxb2jeuk@core.my.home> Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 8bit X-Originating-IP: [10.134.22.195] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, Sorry for the delay. On 2020/3/6 20:02, Ondřej Jirman wrote: > Hello, > > On Thu, Feb 27, 2020 at 10:01:50AM +0800, Chao Yu wrote: >> On 2020/2/27 2:05, Ondřej Jirman wrote: >>> >>> No issue after 7h uptime either. So I guess this patch solved it for some >>> reason. >> >> I hope so as well, I will send a formal patch for this. > > So I had it happen again, even with the patches. This time in f2fs_rename2: Oops, it looks previous fix patch just cover the root cause... :( Did this issue still happen frequently? If it is, would you please apply patch that prints log during down/up semaphore. And once we revert compression support patch, this issue will disappear, right? Btw, did you try other hardware which is not Arm v7? Thanks, > > regards, > o. > > INFO: task ldconfig:620 blocked for more than 122 seconds. > Not tainted 5.6.0-rc3-00469-g44d686977effa #48 > "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. > ldconfig D 0 620 441 0x00000001 > Backtrace: > [] (__schedule) from [] (schedule+0x78/0xf4) > r10:e587a000 r9:00000000 r8:e587bd80 r7:ee687eb8 r6:00000002 r5:e587a000 > r4:ee8c8000 > [] (schedule) from [] (rwsem_down_write_slowpath+0x24c/0x4c0) > r5:00000001 r4:ee687ea8 > [] (rwsem_down_write_slowpath) from [] (down_write+0x6c/0x70) > r10:ee687d08 r9:e5131170 r8:ee0f0000 r7:ee687ea8 r6:e587be10 r5:ee685740 > r4:ee687ea8 > [] (down_write) from [] (f2fs_rename2+0x1a0/0x1114) > r5:ee685740 r4:ee685740 > [] (f2fs_rename2) from [] (vfs_rename+0x434/0x838) > r10:c041480c r9:e5131170 r8:ee687d08 r7:ee685740 r6:eed21440 r5:00000000 > r4:eecb82a8 > [] (vfs_rename) from [] (do_renameat2+0x310/0x494) > r10:eea4c000 r9:00000000 r8:e587bf50 r7:eed21440 r6:00000000 r5:ffffffd9 > r4:eea4d000 > [] (do_renameat2) from [] (sys_rename+0x34/0x3c) > r10:00000026 r9:e587a000 r8:c0101204 r7:00000026 r6:00007458 r5:000dac90 > r4:00000003 > [] (sys_rename) from [] (ret_fast_syscall+0x0/0x54) > Exception stack(0xe587bfa8 to 0xe587bff0) > bfa0: 00000003 000dac90 000dac90 be9e1540 0000c7d5 00000000 > bfc0: 00000003 000dac90 00007458 00000026 0000c7d5 00000001 000cd60c be9e1534 > bfe0: 00000025 be9e14cc 00014120 0001fd00 > NMI backtrace for cpu 3 > CPU: 3 PID: 53 Comm: khungtaskd Not tainted 5.6.0-rc3-00469-g44d686977effa #48 > Hardware name: Allwinner A83t board > Backtrace: > [] (dump_backtrace) from [] (show_stack+0x20/0x24) > r7:00000000 r6:600b0013 r5:00000000 r4:c0e9ab90 > [] (show_stack) from [] (dump_stack+0x98/0xac) > [] (dump_stack) from [] (nmi_cpu_backtrace+0x98/0xcc) > r7:00000000 r6:00000003 r5:00000000 r4:00000003 > [] (nmi_cpu_backtrace) from [] (nmi_trigger_cpumask_backtrace+0xf4/0x138) > r5:c0e08498 r4:c010ea5c > [] (nmi_trigger_cpumask_backtrace) from [] (arch_trigger_cpumask_backtrace+0x20/0x24) > r7:0008908a r6:c0e08c50 r5:00007f84 r4:ef19b674 > [] (arch_trigger_cpumask_backtrace) from [] (watchdog+0x334/0x540) > [] (watchdog) from [] (kthread+0x144/0x170) > r10:ef0f7e60 r9:ef3a64dc r8:00000000 r7:ee85c000 r6:00000000 r5:ee806040 > r4:ef3a64c0 > [] (kthread) from [] (ret_from_fork+0x14/0x2c) > Exception stack(0xee85dfb0 to 0xee85dff8) > dfa0: 00000000 00000000 00000000 00000000 > dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 > dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 > r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:c01563b0 > r4:ee806040 > Sending NMI from CPU 3 to CPUs 0-2,4-7: > NMI backtrace for cpu 2 > CPU: 2 PID: 0 Comm: swapper/2 Not tainted 5.6.0-rc3-00469-g44d686977effa #48 > Hardware name: Allwinner A83t board > PC is at arch_cpu_idle+0x48/0x4c > LR is at arch_cpu_idle+0x44/0x4c > pc : [] lr : [] psr: 60030013 > sp : ef135f68 ip : ef135f78 fp : ef135f74 > r10: 00000000 r9 : 00000000 r8 : c0d82830 > r7 : c0e04ea4 r6 : c0e04e64 r5 : 00000002 r4 : ef134000 > r3 : c011ab00 r2 : ef672d70 r1 : 0004ea3c r0 : 00000000 > Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none > Control: 10c5387d Table: 6d87406a DAC: 00000051 > CPU: 2 PID: 0 Comm: swapper/2 Not tainted 5.6.0-rc3-00469-g44d686977effa #48 > Hardware name: Allwinner A83t board > Backtrace: > [] (dump_backtrace) from [] (show_stack+0x20/0x24) > r7:00000000 r6:60030193 r5:00000000 r4:c0e9ab90 > [] (show_stack) from [] (dump_stack+0x98/0xac) > [] (dump_stack) from [] (show_regs+0x1c/0x20) > r7:00000000 r6:00000007 r5:ef135f18 r4:00000002 > [] (show_regs) from [] (nmi_cpu_backtrace+0xc8/0xcc) > [] (nmi_cpu_backtrace) from [] (handle_IPI+0x64/0x37c) > r5:ef135f18 r4:c0d83110 > [] (handle_IPI) from [] (gic_handle_irq+0x84/0x88) > r10:00000000 r9:ef134000 r8:ef135f18 r7:f0803000 r6:f0802000 r5:f080200c > r4:c0e0565c r3:c0109844 > [] (gic_handle_irq) from [] (__irq_svc+0x6c/0x90) > Exception stack(0xef135f18 to 0xef135f60) > 5f00: 00000000 0004ea3c > 5f20: ef672d70 c011ab00 ef134000 00000002 c0e04e64 c0e04ea4 c0d82830 00000000 > 5f40: 00000000 ef135f74 ef135f78 ef135f68 c0109844 c0109848 60030013 ffffffff > r9:ef134000 r8:c0d82830 r7:ef135f4c r6:ffffffff r5:60030013 r4:c0109848 > [] (arch_cpu_idle) from [] (default_idle_call+0x30/0x3c) > [] (default_idle_call) from [] (do_idle+0x218/0x290) > [] (do_idle) from [] (cpu_startup_entry+0x28/0x2c) > r10:00000000 r9:410fc075 r8:4000406a r7:c0ead5c0 r6:10c0387d r5:00000002 > r4:0000008d > [] (cpu_startup_entry) from [] (secondary_start_kernel+0x158/0x164) > [] (secondary_start_kernel) from [<4010280c>] (0x4010280c) > r5:00000051 r4:6f12806a > NMI backtrace for cpu 1 > CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.6.0-rc3-00469-g44d686977effa #48 > Hardware name: Allwinner A83t board > PC is at arch_cpu_idle+0x48/0x4c > LR is at arch_cpu_idle+0x44/0x4c > pc : [] lr : [] psr: 60000013 > sp : ef133f68 ip : ef133f78 fp : ef133f74 > r10: 00000000 r9 : 00000000 r8 : c0d82830 > r7 : c0e04ea4 r6 : c0e04e64 r5 : 00000001 r4 : ef132000 > r3 : c011ab00 r2 : ef65ed70 r1 : 0004ed5c r0 : 00000000 > Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none > Control: 10c5387d Table: 6de3806a DAC: 00000051 > CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.6.0-rc3-00469-g44d686977effa #48 > Hardware name: Allwinner A83t board > Backtrace: > [] (dump_backtrace) from [] (show_stack+0x20/0x24) > r7:00000000 r6:60000193 r5:00000000 r4:c0e9ab90 > [] (show_stack) from [] (dump_stack+0x98/0xac) > [] (dump_stack) from [] (show_regs+0x1c/0x20) > r7:00000000 r6:00000007 r5:ef133f18 r4:00000001 > [] (show_regs) from [] (nmi_cpu_backtrace+0xc8/0xcc) > [] (nmi_cpu_backtrace) from [] (handle_IPI+0x64/0x37c) > r5:ef133f18 r4:c0d83110 > [] (handle_IPI) from [] (gic_handle_irq+0x84/0x88) > r10:00000000 r9:ef132000 r8:ef133f18 r7:f0803000 r6:f0802000 r5:f080200c > r4:c0e0565c r3:c0109844 > [] (gic_handle_irq) from [] (__irq_svc+0x6c/0x90) > Exception stack(0xef133f18 to 0xef133f60) > 3f00: 00000000 0004ed5c > 3f20: ef65ed70 c011ab00 ef132000 00000001 c0e04e64 c0e04ea4 c0d82830 00000000 > 3f40: 00000000 ef133f74 ef133f78 ef133f68 c0109844 c0109848 60000013 ffffffff > r9:ef132000 r8:c0d82830 r7:ef133f4c r6:ffffffff r5:60000013 r4:c0109848 > [] (arch_cpu_idle) from [] (default_idle_call+0x30/0x3c) > [] (default_idle_call) from [] (do_idle+0x218/0x290) > [] (do_idle) from [] (cpu_startup_entry+0x28/0x2c) > r10:00000000 r9:410fc075 r8:4000406a r7:c0ead5c0 r6:10c0387d r5:00000001 > r4:0000008d > [] (cpu_startup_entry) from [] (secondary_start_kernel+0x158/0x164) > [] (secondary_start_kernel) from [<4010280c>] (0x4010280c) > r5:00000051 r4:6f12806a > NMI backtrace for cpu 0 > CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.6.0-rc3-00469-g44d686977effa #48 > Hardware name: Allwinner A83t board > PC is at arch_cpu_idle+0x48/0x4c > LR is at arch_cpu_idle+0x44/0x4c > pc : [] lr : [] psr: 60000013 > sp : c0e01f08 ip : c0e01f18 fp : c0e01f14 > r10: 00000000 r9 : 00000000 r8 : c0d82830 > r7 : c0e04ea4 r6 : c0e04e64 r5 : 00000000 r4 : c0e00000 > r3 : c011ab00 r2 : ef64ad70 r1 : 002da988 r0 : 00000000 > Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none > Control: 10c5387d Table: 6cbc406a DAC: 00000051 > CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.6.0-rc3-00469-g44d686977effa #48 > Hardware name: Allwinner A83t board > Backtrace: > [] (dump_backtrace) from [] (show_stack+0x20/0x24) > r7:00000000 r6:60000193 r5:00000000 r4:c0e9ab90 > [] (show_stack) from [] (dump_stack+0x98/0xac) > [] (dump_stack) from [] (show_regs+0x1c/0x20) > r7:00000000 r6:00000007 r5:c0e01eb8 r4:00000000 > [] (show_regs) from [] (nmi_cpu_backtrace+0xc8/0xcc) > [] (nmi_cpu_backtrace) from [] (handle_IPI+0x64/0x37c) > r5:c0e01eb8 r4:c0d83110 > [] (handle_IPI) from [] (gic_handle_irq+0x84/0x88) > r10:00000000 r9:c0e00000 r8:c0e01eb8 r7:f0803000 r6:f0802000 r5:f080200c > r4:c0e0565c r3:c0109844 > [] (gic_handle_irq) from [] (__irq_svc+0x6c/0x90) > Exception stack(0xc0e01eb8 to 0xc0e01f00) > 1ea0: 00000000 002da988 > 1ec0: ef64ad70 c011ab00 c0e00000 00000000 c0e04e64 c0e04ea4 c0d82830 00000000 > 1ee0: 00000000 c0e01f14 c0e01f18 c0e01f08 c0109844 c0109848 60000013 ffffffff > r9:c0e00000 r8:c0d82830 r7:c0e01eec r6:ffffffff r5:60000013 r4:c0109848 > [] (arch_cpu_idle) from [] (default_idle_call+0x30/0x3c) > [] (default_idle_call) from [] (do_idle+0x218/0x290) > [] (do_idle) from [] (cpu_startup_entry+0x28/0x2c) > r10:c0d47f38 r9:efffcd40 r8:00000089 r7:c0ead210 r6:00000000 r5:c0d47f38 > r4:000000d1 > [] (cpu_startup_entry) from [] (rest_init+0xb4/0xbc) > [] (rest_init) from [] (arch_call_rest_init+0x18/0x1c) > r5:c0d47f38 r4:c0ead1c0 > [] (arch_call_rest_init) from [] (start_kernel+0x6f4/0x714) > [] (start_kernel) from [<00000000>] (0x0) > NMI backtrace for cpu 5 > CPU: 5 PID: 0 Comm: swapper/5 Not tainted 5.6.0-rc3-00469-g44d686977effa #48 > Hardware name: Allwinner A83t board > PC is at arch_cpu_idle+0x48/0x4c > LR is at arch_cpu_idle+0x44/0x4c > pc : [] lr : [] psr: 60000013 > sp : ef13bf68 ip : ef13bf78 fp : ef13bf74 > r10: 00000000 r9 : 00000000 r8 : c0d82830 > r7 : c0e04ea4 r6 : c0e04e64 r5 : 00000005 r4 : ef13a000 > r3 : c011ab00 r2 : ef6aed70 r1 : 00064604 r0 : 00000000 > Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none > Control: 10c5387d Table: 6dd8806a DAC: 00000051 > CPU: 5 PID: 0 Comm: swapper/5 Not tainted 5.6.0-rc3-00469-g44d686977effa #48 > Hardware name: Allwinner A83t board > Backtrace: > [] (dump_backtrace) from [] (show_stack+0x20/0x24) > r7:00000000 r6:60000193 r5:00000000 r4:c0e9ab90 > [] (show_stack) from [] (dump_stack+0x98/0xac) > [] (dump_stack) from [] (show_regs+0x1c/0x20) > r7:00000000 r6:00000007 r5:ef13bf18 r4:00000005 > [] (show_regs) from [] (nmi_cpu_backtrace+0xc8/0xcc) > [] (nmi_cpu_backtrace) from [] (handle_IPI+0x64/0x37c) > r5:ef13bf18 r4:c0d83110 > [] (handle_IPI) from [] (gic_handle_irq+0x84/0x88) > r10:00000000 r9:ef13a000 r8:ef13bf18 r7:f0803000 r6:f0802000 r5:f080200c > r4:c0e0565c r3:c0109844 > [] (gic_handle_irq) from [] (__irq_svc+0x6c/0x90) > Exception stack(0xef13bf18 to 0xef13bf60) > bf00: 00000000 00064604 > bf20: ef6aed70 c011ab00 ef13a000 00000005 c0e04e64 c0e04ea4 c0d82830 00000000 > bf40: 00000000 ef13bf74 ef13bf78 ef13bf68 c0109844 c0109848 60000013 ffffffff > r9:ef13a000 r8:c0d82830 r7:ef13bf4c r6:ffffffff r5:60000013 r4:c0109848 > [] (arch_cpu_idle) from [] (default_idle_call+0x30/0x3c) > [] (default_idle_call) from [] (do_idle+0x218/0x290) > [] (do_idle) from [] (cpu_startup_entry+0x28/0x2c) > r10:00000000 r9:410fc075 r8:4000406a r7:c0ead5c0 r6:10c0387d r5:00000005 > r4:0000008d > [] (cpu_startup_entry) from [] (secondary_start_kernel+0x158/0x164) > [] (secondary_start_kernel) from [<4010280c>] (0x4010280c) > r5:00000051 r4:6f12806a > NMI backtrace for cpu 4 > CPU: 4 PID: 0 Comm: swapper/4 Not tainted 5.6.0-rc3-00469-g44d686977effa #48 > Hardware name: Allwinner A83t board > PC is at arch_cpu_idle+0x48/0x4c > LR is at arch_cpu_idle+0x44/0x4c > pc : [] lr : [] psr: 60000013 > sp : ef139f68 ip : ef139f78 fp : ef139f74 > r10: 00000000 r9 : 00000000 r8 : c0d82830 > r7 : c0e04ea4 r6 : c0e04e64 r5 : 00000004 r4 : ef138000 > r3 : c011ab00 r2 : ef69ad70 r1 : 0007c518 r0 : 00000000 > Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none > Control: 10c5387d Table: 6def806a DAC: 00000051 > CPU: 4 PID: 0 Comm: swapper/4 Not tainted 5.6.0-rc3-00469-g44d686977effa #48 > Hardware name: Allwinner A83t board > Backtrace: > [] (dump_backtrace) from [] (show_stack+0x20/0x24) > r7:00000000 r6:60000193 r5:00000000 r4:c0e9ab90 > [] (show_stack) from [] (dump_stack+0x98/0xac) > [] (dump_stack) from [] (show_regs+0x1c/0x20) > r7:00000000 r6:00000007 r5:ef139f18 r4:00000004 > [] (show_regs) from [] (nmi_cpu_backtrace+0xc8/0xcc) > [] (nmi_cpu_backtrace) from [] (handle_IPI+0x64/0x37c) > r5:ef139f18 r4:c0d83110 > [] (handle_IPI) from [] (gic_handle_irq+0x84/0x88) > r10:00000000 r9:ef138000 r8:ef139f18 r7:f0803000 r6:f0802000 r5:f080200c > r4:c0e0565c r3:c0109844 > [] (gic_handle_irq) from [] (__irq_svc+0x6c/0x90) > Exception stack(0xef139f18 to 0xef139f60) > 9f00: 00000000 0007c518 > 9f20: ef69ad70 c011ab00 ef138000 00000004 c0e04e64 c0e04ea4 c0d82830 00000000 > 9f40: 00000000 ef139f74 ef139f78 ef139f68 c0109844 c0109848 60000013 ffffffff > r9:ef138000 r8:c0d82830 r7:ef139f4c r6:ffffffff r5:60000013 r4:c0109848 > [] (arch_cpu_idle) from [] (default_idle_call+0x30/0x3c) > [] (default_idle_call) from [] (do_idle+0x218/0x290) > [] (do_idle) from [] (cpu_startup_entry+0x28/0x2c) > r10:00000000 r9:410fc075 r8:4000406a r7:c0ead5c0 r6:10c0387d r5:00000004 > r4:0000008d > [] (cpu_startup_entry) from [] (secondary_start_kernel+0x158/0x164) > [] (secondary_start_kernel) from [<4010280c>] (0x4010280c) > r5:00000051 r4:6f12806a > NMI backtrace for cpu 7 > CPU: 7 PID: 0 Comm: swapper/7 Not tainted 5.6.0-rc3-00469-g44d686977effa #48 > Hardware name: Allwinner A83t board > PC is at arch_cpu_idle+0x48/0x4c > LR is at arch_cpu_idle+0x44/0x4c > pc : [] lr : [] psr: 60000013 > sp : ef13ff68 ip : ef13ff78 fp : ef13ff74 > r10: 00000000 r9 : 00000000 r8 : c0d82830 > r7 : c0e04ea4 r6 : c0e04e64 r5 : 00000007 r4 : ef13e000 > r3 : c011ab00 r2 : ef6d6d70 r1 : 00028058 r0 : 00000000 > Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none > Control: 10c5387d Table: 6c5e006a DAC: 00000051 > CPU: 7 PID: 0 Comm: swapper/7 Not tainted 5.6.0-rc3-00469-g44d686977effa #48 > Hardware name: Allwinner A83t board > Backtrace: > [] (dump_backtrace) from [] (show_stack+0x20/0x24) > r7:00000000 r6:60000193 r5:00000000 r4:c0e9ab90 > [] (show_stack) from [] (dump_stack+0x98/0xac) > [] (dump_stack) from [] (show_regs+0x1c/0x20) > r7:00000000 r6:00000007 r5:ef13ff18 r4:00000007 > [] (show_regs) from [] (nmi_cpu_backtrace+0xc8/0xcc) > [] (nmi_cpu_backtrace) from [] (handle_IPI+0x64/0x37c) > r5:ef13ff18 r4:c0d83110 > [] (handle_IPI) from [] (gic_handle_irq+0x84/0x88) > r10:00000000 r9:ef13e000 r8:ef13ff18 r7:f0803000 r6:f0802000 r5:f080200c > r4:c0e0565c r3:c0109844 > [] (gic_handle_irq) from [] (__irq_svc+0x6c/0x90) > Exception stack(0xef13ff18 to 0xef13ff60) > ff00: 00000000 00028058 > ff20: ef6d6d70 c011ab00 ef13e000 00000007 c0e04e64 c0e04ea4 c0d82830 00000000 > ff40: 00000000 ef13ff74 ef13ff78 ef13ff68 c0109844 c0109848 60000013 ffffffff > r9:ef13e000 r8:c0d82830 r7:ef13ff4c r6:ffffffff r5:60000013 r4:c0109848 > [] (arch_cpu_idle) from [] (default_idle_call+0x30/0x3c) > [] (default_idle_call) from [] (do_idle+0x218/0x290) > [] (do_idle) from [] (cpu_startup_entry+0x28/0x2c) > r10:00000000 r9:410fc075 r8:4000406a r7:c0ead5c0 r6:10c0387d r5:00000007 > r4:0000008d > [] (cpu_startup_entry) from [] (secondary_start_kernel+0x158/0x164) > [] (secondary_start_kernel) from [<4010280c>] (0x4010280c) > r5:00000051 r4:6f12806a > NMI backtrace for cpu 6 > CPU: 6 PID: 0 Comm: swapper/6 Not tainted 5.6.0-rc3-00469-g44d686977effa #48 > Hardware name: Allwinner A83t board > PC is at arch_cpu_idle+0x48/0x4c > LR is at arch_cpu_idle+0x44/0x4c > pc : [] lr : [] psr: 60010013 > sp : ef13df68 ip : ef13df78 fp : ef13df74 > r10: 00000000 r9 : 00000000 r8 : c0d82830 > r7 : c0e04ea4 r6 : c0e04e64 r5 : 00000006 r4 : ef13c000 > r3 : c011ab00 r2 : ef6c2d70 r1 : 00081da8 r0 : 00000000 > Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none > Control: 10c5387d Table: 6565006a DAC: 00000051 > CPU: 6 PID: 0 Comm: swapper/6 Not tainted 5.6.0-rc3-00469-g44d686977effa #48 > Hardware name: Allwinner A83t board > Backtrace: > [] (dump_backtrace) from [] (show_stack+0x20/0x24) > r7:00000000 r6:60010193 r5:00000000 r4:c0e9ab90 > [] (show_stack) from [] (dump_stack+0x98/0xac) > [] (dump_stack) from [] (show_regs+0x1c/0x20) > r7:00000000 r6:00000007 r5:ef13df18 r4:00000006 > [] (show_regs) from [] (nmi_cpu_backtrace+0xc8/0xcc) > [] (nmi_cpu_backtrace) from [] (handle_IPI+0x64/0x37c) > r5:ef13df18 r4:c0d83110 > [] (handle_IPI) from [] (gic_handle_irq+0x84/0x88) > r10:00000000 r9:ef13c000 r8:ef13df18 r7:f0803000 r6:f0802000 r5:f080200c > r4:c0e0565c r3:c0109844 > [] (gic_handle_irq) from [] (__irq_svc+0x6c/0x90) > Exception stack(0xef13df18 to 0xef13df60) > df00: 00000000 00081da8 > df20: ef6c2d70 c011ab00 ef13c000 00000006 c0e04e64 c0e04ea4 c0d82830 00000000 > df40: 00000000 ef13df74 ef13df78 ef13df68 c0109844 c0109848 60010013 ffffffff > r9:ef13c000 r8:c0d82830 r7:ef13df4c r6:ffffffff r5:60010013 r4:c0109848 > [] (arch_cpu_idle) from [] (default_idle_call+0x30/0x3c) > [] (default_idle_call) from [] (do_idle+0x218/0x290) > [] (do_idle) from [] (cpu_startup_entry+0x28/0x2c) > r10:00000000 r9:410fc075 r8:4000406a r7:c0ead5c0 r6:10c0387d r5:00000006 > r4:0000008d > [] (cpu_startup_entry) from [] (secondary_start_kernel+0x158/0x164) > [] (secondary_start_kernel) from [<4010280c>] (0x4010280c) > r5:00000051 r4:6f12806a > Kernel panic - not syncing: hung_task: blocked tasks > CPU: 3 PID: 53 Comm: khungtaskd Not tainted 5.6.0-rc3-00469-g44d686977effa #48 > Hardware name: Allwinner A83t board > Backtrace: > [] (dump_backtrace) from [] (show_stack+0x20/0x24) > r7:0008908a r6:600b0093 r5:00000000 r4:c0e9ab90 > [] (show_stack) from [] (dump_stack+0x98/0xac) > [] (dump_stack) from [] (panic+0x108/0x310) > r7:0008908a r6:c0e08c50 r5:00000000 r4:c0eadbc8 > [] (panic) from [] (watchdog+0x340/0x540) > r3:c0f0dd60 r2:00000001 r1:00000000 r0:c0b49e00 > r7:0008908a > [] (watchdog) from [] (kthread+0x144/0x170) > r10:ef0f7e60 r9:ef3a64dc r8:00000000 r7:ee85c000 r6:00000000 r5:ee806040 > r4:ef3a64c0 > [] (kthread) from [] (ret_from_fork+0x14/0x2c) > Exception stack(0xee85dfb0 to 0xee85dff8) > dfa0: 00000000 00000000 00000000 00000000 > dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 > dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 > r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:c01563b0 > r4:ee806040 > CPU1: stopping > CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.6.0-rc3-00469-g44d686977effa #48 > Hardware name: Allwinner A83t board > Backtrace: > [] (dump_backtrace) from [] (show_stack+0x20/0x24) > r7:00000000 r6:60000193 r5:00000000 r4:c0e9ab90 > [] (show_stack) from [] (dump_stack+0x98/0xac) > [] (dump_stack) from [] (handle_IPI+0x344/0x37c) > r7:00000000 r6:00000004 r5:c0e05358 r4:c0ead5b0 > [] (handle_IPI) from [] (gic_handle_irq+0x84/0x88) > r10:00000000 r9:ef132000 r8:ef133f18 r7:f0803000 r6:f0802000 r5:f080200c > r4:c0e0565c r3:c0109844 > [] (gic_handle_irq) from [] (__irq_svc+0x6c/0x90) > Exception stack(0xef133f18 to 0xef133f60) > 3f00: 00000000 000509b4 > 3f20: ef65ed70 c011ab00 ef132000 00000001 c0e04e64 c0e04ea4 c0d82830 00000000 > 3f40: 00000000 ef133f74 ef133f78 ef133f68 c0109844 c0109848 60000013 ffffffff > r9:ef132000 r8:c0d82830 r7:ef133f4c r6:ffffffff r5:60000013 r4:c0109848 > [] (arch_cpu_idle) from [] (default_idle_call+0x30/0x3c) > [] (default_idle_call) from [] (do_idle+0x218/0x290) > [] (do_idle) from [] (cpu_startup_entry+0x28/0x2c) > r10:00000000 r9:410fc075 r8:4000406a r7:c0ead5c0 r6:10c0387d r5:00000001 > r4:0000008d > [] (cpu_startup_entry) from [] (secondary_start_kernel+0x158/0x164) > [] (secondary_start_kernel) from [<4010280c>] (0x4010280c) > r5:00000051 r4:6f12806a > CPU2: stopping > CPU: 2 PID: 0 Comm: swapper/2 Not tainted 5.6.0-rc3-00469-g44d686977effa #48 > Hardware name: Allwinner A83t board > Backtrace: > [] (dump_backtrace) from [] (show_stack+0x20/0x24) > r7:00000000 r6:60030193 r5:00000000 r4:c0e9ab90 > [] (show_stack) from [] (dump_stack+0x98/0xac) > [] (dump_stack) from [] (handle_IPI+0x344/0x37c) > r7:00000000 r6:00000004 r5:c0e05358 r4:c0ead5b0 > [] (handle_IPI) from [] (gic_handle_irq+0x84/0x88) > r10:00000000 r9:ef134000 r8:ef135f18 r7:f0803000 r6:f0802000 r5:f080200c > r4:c0e0565c r3:c0109844 > [] (gic_handle_irq) from [] (__irq_svc+0x6c/0x90) > Exception stack(0xef135f18 to 0xef135f60) > 5f00: 00000000 0004f168 > 5f20: ef672d70 c011ab00 ef134000 00000002 c0e04e64 c0e04ea4 c0d82830 00000000 > 5f40: 00000000 ef135f74 ef135f78 ef135f68 c0109844 c0109848 60030013 ffffffff > r9:ef134000 r8:c0d82830 r7:ef135f4c r6:ffffffff r5:60030013 r4:c0109848 > [] (arch_cpu_idle) from [] (default_idle_call+0x30/0x3c) > [] (default_idle_call) from [] (do_idle+0x218/0x290) > [] (do_idle) from [] (cpu_startup_entry+0x28/0x2c) > r10:00000000 r9:410fc075 r8:4000406a r7:c0ead5c0 r6:10c0387d r5:00000002 > r4:0000008d > [] (cpu_startup_entry) from [] (secondary_start_kernel+0x158/0x164) > [] (secondary_start_kernel) from [<4010280c>] (0x4010280c) > r5:00000051 r4:6f12806a > CPU4: stopping > CPU: 4 PID: 0 Comm: swapper/4 Not tainted 5.6.0-rc3-00469-g44d686977effa #48 > Hardware name: Allwinner A83t board > Backtrace: > [] (dump_backtrace) from [] (show_stack+0x20/0x24) > r7:00000000 r6:60000193 r5:00000000 r4:c0e9ab90 > [] (show_stack) from [] (dump_stack+0x98/0xac) > [] (dump_stack) from [] (handle_IPI+0x344/0x37c) > r7:00000000 r6:00000004 r5:c0e05358 r4:c0ead5b0 > [] (handle_IPI) from [] (gic_handle_irq+0x84/0x88) > r10:00000000 r9:ef138000 r8:ef139f18 r7:f0803000 r6:f0802000 r5:f080200c > r4:c0e0565c r3:c0109844 > [] (gic_handle_irq) from [] (__irq_svc+0x6c/0x90) > Exception stack(0xef139f18 to 0xef139f60) > 9f00: 00000000 0007c528 > 9f20: ef69ad70 c011ab00 ef138000 00000004 c0e04e64 c0e04ea4 c0d82830 00000000 > 9f40: 00000000 ef139f74 ef139f78 ef139f68 c0109844 c0109848 60000013 ffffffff > r9:ef138000 r8:c0d82830 r7:ef139f4c r6:ffffffff r5:60000013 r4:c0109848 > [] (arch_cpu_idle) from [] (default_idle_call+0x30/0x3c) > [] (default_idle_call) from [] (do_idle+0x218/0x290) > [] (do_idle) from [] (cpu_startup_entry+0x28/0x2c) > r10:00000000 r9:410fc075 r8:4000406a r7:c0ead5c0 r6:10c0387d r5:00000004 > r4:0000008d > [] (cpu_startup_entry) from [] (secondary_start_kernel+0x158/0x164) > [] (secondary_start_kernel) from [<4010280c>] (0x4010280c) > r5:00000051 r4:6f12806a > CPU5: stopping > CPU: 5 PID: 0 Comm: swapper/5 Not tainted 5.6.0-rc3-00469-g44d686977effa #48 > Hardware name: Allwinner A83t board > Backtrace: > [] (dump_backtrace) from [] (show_stack+0x20/0x24) > r7:00000000 r6:60000193 r5:00000000 r4:c0e9ab90 > [] (show_stack) from [] (dump_stack+0x98/0xac) > [] (dump_stack) from [] (handle_IPI+0x344/0x37c) > r7:00000000 r6:00000004 r5:c0e05358 r4:c0ead5b0 > [] (handle_IPI) from [] (gic_handle_irq+0x84/0x88) > r10:00000000 r9:ef13a000 r8:ef13bf18 r7:f0803000 r6:f0802000 r5:f080200c > r4:c0e0565c r3:c0109844 > [] (gic_handle_irq) from [] (__irq_svc+0x6c/0x90) > Exception stack(0xef13bf18 to 0xef13bf60) > bf00: 00000000 00064644 > bf20: ef6aed70 c011ab00 ef13a000 00000005 c0e04e64 c0e04ea4 c0d82830 00000000 > bf40: 00000000 ef13bf74 ef13bf78 ef13bf68 c0109844 c0109848 60000013 ffffffff > r9:ef13a000 r8:c0d82830 r7:ef13bf4c r6:ffffffff r5:60000013 r4:c0109848 > [] (arch_cpu_idle) from [] (default_idle_call+0x30/0x3c) > [] (default_idle_call) from [] (do_idle+0x218/0x290) > [] (do_idle) from [] (cpu_startup_entry+0x28/0x2c) > r10:00000000 r9:410fc075 r8:4000406a r7:c0ead5c0 r6:10c0387d r5:00000005 > r4:0000008d > [] (cpu_startup_entry) from [] (secondary_start_kernel+0x158/0x164) > [] (secondary_start_kernel) from [<4010280c>] (0x4010280c) > r5:00000051 r4:6f12806a > CPU6: stopping > CPU: 6 PID: 0 Comm: swapper/6 Not tainted 5.6.0-rc3-00469-g44d686977effa #48 > Hardware name: Allwinner A83t board > Backtrace: > [] (dump_backtrace) from [] (show_stack+0x20/0x24) > r7:00000000 r6:60010193 r5:00000000 r4:c0e9ab90 > [] (show_stack) from [] (dump_stack+0x98/0xac) > [] (dump_stack) from [] (handle_IPI+0x344/0x37c) > r7:00000000 r6:00000004 r5:c0e05358 r4:c0ead5b0 > [] (handle_IPI) from [] (gic_handle_irq+0x84/0x88) > r10:00000000 r9:ef13c000 r8:ef13df18 r7:f0803000 r6:f0802000 r5:f080200c > r4:c0e0565c r3:c0109844 > [] (gic_handle_irq) from [] (__irq_svc+0x6c/0x90) > Exception stack(0xef13df18 to 0xef13df60) > df00: 00000000 00081fa8 > df20: ef6c2d70 c011ab00 ef13c000 00000006 c0e04e64 c0e04ea4 c0d82830 00000000 > df40: 00000000 ef13df74 ef13df78 ef13df68 c0109844 c0109848 60010013 ffffffff > r9:ef13c000 r8:c0d82830 r7:ef13df4c r6:ffffffff r5:60010013 r4:c0109848 > [] (arch_cpu_idle) from [] (default_idle_call+0x30/0x3c) > [] (default_idle_call) from [] (do_idle+0x218/0x290) > [] (do_idle) from [] (cpu_startup_entry+0x28/0x2c) > r10:00000000 r9:410fc075 r8:4000406a r7:c0ead5c0 r6:10c0387d r5:00000006 > r4:0000008d > [] (cpu_startup_entry) from [] (secondary_start_kernel+0x158/0x164) > [] (secondary_start_kernel) from [<4010280c>] (0x4010280c) > r5:00000051 r4:6f12806a > CPU7: stopping > CPU: 7 PID: 0 Comm: swapper/7 Not tainted 5.6.0-rc3-00469-g44d686977effa #48 > Hardware name: Allwinner A83t board > Backtrace: > [] (dump_backtrace) from [] (show_stack+0x20/0x24) > r7:00000000 r6:60000193 r5:00000000 r4:c0e9ab90 > [] (show_stack) from [] (dump_stack+0x98/0xac) > [] (dump_stack) from [] (handle_IPI+0x344/0x37c) > r7:00000000 r6:00000004 r5:c0e05358 r4:c0ead5b0 > [] (handle_IPI) from [] (gic_handle_irq+0x84/0x88) > r10:00000000 r9:ef13e000 r8:ef13ff18 r7:f0803000 r6:f0802000 r5:f080200c > r4:c0e0565c r3:c0109844 > [] (gic_handle_irq) from [] (__irq_svc+0x6c/0x90) > Exception stack(0xef13ff18 to 0xef13ff60) > ff00: 00000000 00028068 > ff20: ef6d6d70 c011ab00 ef13e000 00000007 c0e04e64 c0e04ea4 c0d82830 00000000 > ff40: 00000000 ef13ff74 ef13ff78 ef13ff68 c0109844 c0109848 60000013 ffffffff > r9:ef13e000 r8:c0d82830 r7:ef13ff4c r6:ffffffff r5:60000013 r4:c0109848 > [] (arch_cpu_idle) from [] (default_idle_call+0x30/0x3c) > [] (default_idle_call) from [] (do_idle+0x218/0x290) > [] (do_idle) from [] (cpu_startup_entry+0x28/0x2c) > r10:00000000 r9:410fc075 r8:4000406a r7:c0ead5c0 r6:10c0387d r5:00000007 > r4:0000008d > [] (cpu_startup_entry) from [] (secondary_start_kernel+0x158/0x164) > [] (secondary_start_kernel) from [<4010280c>] (0x4010280c) > r5:00000051 r4:6f12806a > CPU0: stopping > CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.6.0-rc3-00469-g44d686977effa #48 > Hardware name: Allwinner A83t board > Backtrace: > [] (dump_backtrace) from [] (show_stack+0x20/0x24) > r7:00000000 r6:60000193 r5:00000000 r4:c0e9ab90 > [] (show_stack) from [] (dump_stack+0x98/0xac) > [] (dump_stack) from [] (handle_IPI+0x344/0x37c) > r7:00000000 r6:00000004 r5:c0e05358 r4:c0ead5b0 > [] (handle_IPI) from [] (gic_handle_irq+0x84/0x88) > r10:00000000 r9:c0e00000 r8:c0e01eb8 r7:f0803000 r6:f0802000 r5:f080200c > r4:c0e0565c r3:c0109844 > [] (gic_handle_irq) from [] (__irq_svc+0x6c/0x90) > Exception stack(0xc0e01eb8 to 0xc0e01f00) > 1ea0: 00000000 002dadd8 > 1ec0: ef64ad70 c011ab00 c0e00000 00000000 c0e04e64 c0e04ea4 c0d82830 00000000 > 1ee0: 00000000 c0e01f14 c0e01f18 c0e01f08 c0109844 c0109848 60000013 ffffffff > r9:c0e00000 r8:c0d82830 r7:c0e01eec r6:ffffffff r5:60000013 r4:c0109848 > [] (arch_cpu_idle) from [] (default_idle_call+0x30/0x3c) > [] (default_idle_call) from [] (do_idle+0x218/0x290) > [] (do_idle) from [] (cpu_startup_entry+0x28/0x2c) > r10:c0d47f38 r9:efffcd40 r8:00000089 r7:c0ead210 r6:00000000 r5:c0d47f38 > r4:000000d1 > [] (cpu_startup_entry) from [] (rest_init+0xb4/0xbc) > [] (rest_init) from [] (arch_call_rest_init+0x18/0x1c) > r5:c0d47f38 r4:c0ead1c0 > [] (arch_call_rest_init) from [] (start_kernel+0x6f4/0x714) > [] (start_kernel) from [<00000000>] (0x0) > Rebooting in 3 seconds.. > DRAM: 1024 MiB > Trying to boot from MMC1 > > . >