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=-7.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 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 2DF29C5DF63 for ; Wed, 6 Nov 2019 16:07:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 096DA217F5 for ; Wed, 6 Nov 2019 16:07:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727221AbfKFQH4 (ORCPT ); Wed, 6 Nov 2019 11:07:56 -0500 Received: from foss.arm.com ([217.140.110.172]:42378 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726926AbfKFQH4 (ORCPT ); Wed, 6 Nov 2019 11:07:56 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 76AA846A; Wed, 6 Nov 2019 08:07:55 -0800 (PST) Received: from [10.1.196.37] (e121345-lin.cambridge.arm.com [10.1.196.37]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id EFE5D3F71A; Wed, 6 Nov 2019 08:07:53 -0800 (PST) Subject: Re: Linux-next-20191106 : arm64: Internal error: Oops: 96000007 To: Naresh Kamboju , Russell King - ARM Linux , catalin.marinas@arm.com, will@kernel.org, linux-arm-kernel@lists.infradead.org Cc: Stephen Rothwell , Arnd Bergmann , open list , lkft-triage@lists.linaro.org, Mark Brown , John Stultz , Linux-Next Mailing List References: From: Robin Murphy Message-ID: Date: Wed, 6 Nov 2019 16:07:52 +0000 User-Agent: Mozilla/5.0 (X11; Linux aarch64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-GB Content-Transfer-Encoding: 7bit Sender: linux-next-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-next@vger.kernel.org On 06/11/2019 15:56, Naresh Kamboju wrote: > arm64 devices Juno-r2, hikey (Hi6220) and dragonboard (APQ 8016 SBC) > boot failed while running linux next 20191106 kernel. But qemu_arm64 > boot pass. > > Crash log from dragonboard, > > [ 10.656527] Unable to handle kernel paging request at virtual > address ffff800011b3ef68 > [ 10.656580] Mem abort info: > [ 10.656587] ESR = 0x96000007 > [ 10.656594] EC = 0x25: DABT (current EL), IL = 32 bits > [ 10.656600] SET = 0, FnV = 0 > [ 10.656605] EA = 0, S1PTW = 0 > [ 10.656610] Data abort info: > [ 10.656616] ISV = 0, ISS = 0x00000007 > [ 10.656621] CM = 0, WnR = 0 > [ 10.656629] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000081980000 > [ 10.656635] [ffff800011b3ef68] pgd=00000000bfeff003, > pud=00000000bfefe003, pmd=00000000bfefa003, pte=0000000000000000 > [ 10.656887] Internal error: Oops: 96000007 [#1] PREEMPT SMP > [ 10.656894] Modules linked in: adv7511(+) cec msm(+) mdt_loader > drm_kms_helper qcom_rng drm socinfo rmtfs_mem qrtr fuse > [ 10.656928] CPU: 0 PID: 230 Comm: systemd-udevd Not tainted > 5.4.0-rc6-next-20191106 #1 > [ 10.656933] Hardware name: Qualcomm Technologies, Inc. APQ 8016 SBC (DT) > [ 10.656939] pstate: a0000085 (NzCv daIf -PAN -UAO) > [ 10.656953] pc : __of_match_node.part.5+0x48/0x88 > [ 10.656960] lr : of_match_node+0x40/0x70 > [ 10.656964] sp : ffff8000132534d0 > [ 10.656968] x29: ffff8000132534d0 x28: ffff8000101d6260 > [ 10.656977] x27: ffff80001241a7a0 x26: ffff80001241a7a0 > [ 10.656985] x25: ffff80001241a860 x24: ffff80001241a6e8 > [ 10.656993] x23: 0000000000000000 x22: ffff00003fd08010 > [ 10.657001] x21: 0000000000000000 x20: 0000000000000000 > [ 10.657008] x19: ffff800011b3ef68 x18: ffffffffffffffff > [ 10.657016] x17: 0000000000000000 x16: 0000000000000000 > [ 10.657024] x15: ffff8000121ffa48 x14: 4e3a666f3d534149 > [ 10.657032] x13: 0000000000000040 x12: 0000000000000028 > [ 10.657039] x11: 0000000000000001 x10: 0101010101010101 > [ 10.657047] x9 : ffff800012532c50 x8 : 0000000000000050 > [ 10.657055] x7 : ffff800010df1164 x6 : 0000000000000000 > [ 10.657063] x5 : 00000000a4fd7f12 x4 : ffff00003bd7cd18 > [ 10.657070] x3 : 0000000000000000 x2 : 0000000000000001 > [ 10.657078] x1 : ffff00003fd08010 x0 : ffff800010df1178 > [ 10.657086] Call trace: > [ 10.657094] __of_match_node.part.5+0x48/0x88 FWIW this smells like a builtin driver had its of_device_id table marked __init, leaving drv->of_match_table as a dangling pointer to freed memory by this point. Robin. > [ 10.657099] of_match_node+0x40/0x70 > [ 10.657106] of_match_device+0x30/0x50 > [ 10.657115] platform_match+0x4c/0xe8 > [ 10.657122] __device_attach_driver+0x3c/0x120 > [ 10.657128] bus_for_each_drv+0x78/0xd8 > [ 10.657135] __device_attach+0xe8/0x170 > [ 10.657141] device_initial_probe+0x24/0x30 > [ 10.657148] bus_probe_device+0xa0/0xa8 > [ 10.657154] device_add+0x4fc/0x7a8 > [ 10.657160] of_device_add+0x50/0x68 > [ 10.657167] of_platform_device_create_pdata+0xf0/0x170 > [ 10.657173] of_platform_bus_create+0x174/0x550 > [ 10.657180] of_platform_populate+0x94/0x158 > [ 10.657358] msm_pdev_probe+0x74/0x358 [msm] > [ 10.657369] platform_drv_probe+0x58/0xa8 > [ 10.657377] really_probe+0x290/0x488 > [ 10.657384] driver_probe_device+0x12c/0x148 > [ 10.657391] device_driver_attach+0x74/0x98 > [ 10.657397] __driver_attach+0xc4/0x178 > [ 10.657403] bus_for_each_dev+0x84/0xd8 > [ 10.657409] driver_attach+0x30/0x40 > [ 10.657416] bus_add_driver+0x170/0x258 > [ 10.657423] driver_register+0x64/0x118 > [ 10.657430] __platform_driver_register+0x54/0x60 > [ 10.657582] msm_drm_register+0x60/0x6c [msm] > [ 10.657592] do_one_initcall+0x94/0x460 > [ 10.657600] do_init_module+0x60/0x204 > [ 10.657606] load_module+0x2078/0x2720 > [ 10.657613] __do_sys_finit_module+0x100/0x120 > [ 10.657619] __arm64_sys_finit_module+0x28/0x38 > [ 10.657628] el0_svc_common.constprop.2+0x7c/0x180 > [ 10.657635] el0_svc_handler+0x34/0xa0 > [ 10.657643] el0_sync_handler+0x124/0x1f8 > [ 10.657649] el0_sync+0x140/0x180 > [ 10.657659] Code: 1a80d281 9a93d2b5 2a0103f4 91032273 (39400264) > [ 10.657667] ---[ end trace 8b4c2740f71524d1 ]--- > > Full test log, > https://lkft.validation.linaro.org/scheduler/job/994051#L1396 > > metadata: > git branch: master > git repo: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git > git commit: dcd34bd234181ec74f081c7d0025204afe6b213e > git describe: next-20191106 > make_kernelversion: 5.4.0-rc6 > kernel-config: > http://snapshots.linaro.org/openembedded/lkft/lkft/sumo/dragonboard-410c/lkft/linux-next/640/config > build-location: > http://snapshots.linaro.org/openembedded/lkft/lkft/sumo/dragonboard-410c/lkft/linux-next/640 > > > Best regards > Naresh Kamoju > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel >