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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DFCEAC433F5 for ; Thu, 21 Oct 2021 00:34:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BB566611CC for ; Thu, 21 Oct 2021 00:34:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230478AbhJUAhL (ORCPT ); Wed, 20 Oct 2021 20:37:11 -0400 Received: from eu-shark2.inbox.eu ([195.216.236.82]:34644 "EHLO eu-shark2.inbox.eu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229702AbhJUAhL (ORCPT ); Wed, 20 Oct 2021 20:37:11 -0400 Received: from eu-shark2.inbox.eu (localhost [127.0.0.1]) by eu-shark2-out.inbox.eu (Postfix) with ESMTP id B9BCD1E00A65; Thu, 21 Oct 2021 03:34:54 +0300 (EEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=inbox.eu; s=20140211; t=1634776494; bh=Sz0t73SaNR/i8fQRfG4ZwwpEXSbprRjutHni93BU83c=; h=References:From:To:Cc:Subject:Date:In-reply-to; b=H1oaC83Jsn7gqti8jCAVlnBsVNTUBMq+UFAePNG0UV41aZ8h0rllrmVNWgSUbWPJQ owuhq1Sb9kdTutCTaakbbVmtOQ94ga103eKVoTLAcfvr/gF3eEWQg29RtwcTPfbeCS DELjQV32R0LUvPZH2gbJWcu0hOFOtn9DTGlWNxds= Received: from localhost (localhost [127.0.0.1]) by eu-shark2-in.inbox.eu (Postfix) with ESMTP id AEFCA1E00A0A; Thu, 21 Oct 2021 03:34:54 +0300 (EEST) Received: from eu-shark2.inbox.eu ([127.0.0.1]) by localhost (eu-shark2.inbox.eu [127.0.0.1]) (spamfilter, port 35) with ESMTP id jGRw5R54epfK; Thu, 21 Oct 2021 03:34:54 +0300 (EEST) Received: from mail.inbox.eu (eu-pop1 [127.0.0.1]) by eu-shark2-in.inbox.eu (Postfix) with ESMTP id 4F3FB1E00A63; Thu, 21 Oct 2021 03:34:54 +0300 (EEST) Received: from nas (unknown [117.62.172.224]) (Authenticated sender: l@damenly.su) by mail.inbox.eu (Postfix) with ESMTPA id 5CA761BE0146; Thu, 21 Oct 2021 03:34:52 +0300 (EEST) References: <9b153cca-2d9a-e217-a83f-1a8e663fc587@suse.com> <7de9iylb.fsf@damenly.su> <35owijrm.fsf@damenly.su> User-agent: mu4e 1.7.0; emacs 27.2 From: Su Yue To: Chris Murphy Cc: Qu Wenruo , Nikolay Borisov , Qu Wenruo , Btrfs BTRFS Subject: Re: 5.14.9 aarch64 OOPS Workqueue: btrfs-delalloc btrfs_work_helper Date: Thu, 21 Oct 2021 08:29:23 +0800 In-reply-to: Message-ID: MIME-Version: 1.0 Content-Type: text/plain; format=flowed X-Virus-Scanned: OK X-ESPOL: 885mlYtJBDimlF+mQWXcBwIrzV5EXevl+uWy0xxdmmeJTyPEIQgRMmO6mHAFPnHLwCM= Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On Wed 20 Oct 2021 at 19:55, Chris Murphy wrote: > On Tue, Oct 19, 2021 at 9:10 PM Su Yue wrote: >> >> Dump file and vmlinu[zx] kernel file are needed. > > So we get a splat but kdump doesn't create a vmcore. Do we need > to > issue sysrq+c at the time of the hang and splat to create it? > Yes, please. BTW, I ran xfstests with 5.14.10-300.fc35.aarch64 and 5.14.12-200.fc34.aarch64 in several rounds. No panic/hang found, so I think we can exclude the possibility of the toolchain. -- Su > Fedora Linux 35 (Cloud Edition) > Kernel 5.14.10-300.fc35.aarch64 on an aarch64 (ttyAMA0) > > eth0: 199.204.45.141 2604:e100:1:0:f816:3eff:fe72:c876 > dusty-35 login: [ 286.982605] Unable to handle kernel paging > request > at virtual address fffffffffffffdd0 > [ 286.988338] Mem abort info: > [ 286.990307] ESR = 0x96000004 > [ 286.992596] EC = 0x25: DABT (current EL), IL = 32 bits > [ 286.996316] SET = 0, FnV = 0 > [ 286.998454] EA = 0, S1PTW = 0 > [ 287.000791] FSC = 0x04: level 0 translation fault > [ 287.004472] Data abort info: > [ 287.006540] ISV = 0, ISS = 0x00000004 > [ 287.009239] CM = 0, WnR = 0 > [ 287.011344] swapper pgtable: 4k pages, 48-bit VAs, > pgdp=0000000054181000 > [ 287.018245] [fffffffffffffdd0] pgd=0000000000000000, > p4d=0000000000000000 > [ 287.024209] Internal error: Oops: 96000004 [#1] SMP > [ 287.027615] Modules linked in: virtio_gpu virtio_dma_buf > drm_kms_helper cec joydev fb_sys_fops syscopyarea virtio_net > sysfillrect sysimgblt net_failover virtio_balloon failover vfat > fat > drm fuse zram ip_tables crct10dif_ce ghash_ce virtio_blk > qemu_fw_cfg > virtio_mmio aes_neon_bs > [ 287.047659] CPU: 0 PID: 3558 Comm: kworker/u8:7 Kdump: loaded > Not > tainted 5.14.10-300.fc35.aarch64 #1 > [ 287.055269] Hardware name: QEMU KVM Virtual Machine, BIOS > 0.0.0 02/06/2015 > [ 287.060932] Workqueue: btrfs-delalloc btrfs_work_helper > [ 287.065353] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO > BTYPE=--) > [ 287.070568] pc : submit_compressed_extents+0x38/0x3d0 > [ 287.074825] lr : async_cow_submit+0x50/0xd0 > [ 287.078217] sp : ffff800015d4bc20 > [ 287.081008] x29: ffff800015d4bc30 x28: 0000000000000000 x27: > ffffb8a2fa941000 > [ 287.087022] x26: fffffffffffffdd0 x25: dead000000000100 x24: > ffff000115873608 > [ 287.092822] x23: 0000000000000000 x22: 0000000000000001 x21: > ffff0000c6f25800 > [ 287.098591] x20: ffff0000c0596000 x19: 0000000000000001 x18: > ffff0000c2100bd4 > [ 287.104387] x17: ffff000115875ff8 x16: 0000000000000006 x15: > 50006a3d10a961cd > [ 287.110159] x14: f0668b836620caa1 x13: 0000000000000020 x12: > ffff0001fefa68c0 > [ 287.116170] x11: ffffb8a2fa95b500 x10: 0000000000000000 x9 : > ffffb8a2f9131c40 > [ 287.122120] x8 : ffff475f045bb000 x7 : ffff800015d4bbe0 x6 : > ffffb8a2fae8ad40 > [ 287.128086] x5 : 0000000000000000 x4 : 0000000000000000 x3 : > ffff0000c6f25820 > [ 287.133953] x2 : 0000000000000000 x1 : ffff000115873630 x0 : > ffff000115873630 > [ 287.139760] Call trace: > [ 287.141784] submit_compressed_extents+0x38/0x3d0 > [ 287.145620] async_cow_submit+0x50/0xd0 > [ 287.148801] run_ordered_work+0xc8/0x280 > [ 287.152005] btrfs_work_helper+0x98/0x250 > [ 287.155450] process_one_work+0x1f0/0x4ac > [ 287.161577] worker_thread+0x188/0x504 > [ 287.167461] kthread+0x110/0x114 > [ 287.172872] ret_from_fork+0x10/0x18 > [ 287.178558] Code: a9056bf9 f8428437 f9401400 d108c2fa > (f9400356) > [ 287.186268] ---[ end trace 41ec405ced3786b6 ]---