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 C03D5C433F5 for ; Thu, 21 Oct 2021 00:50:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9EC4760C4C for ; Thu, 21 Oct 2021 00:50:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231342AbhJUAxL (ORCPT ); Wed, 20 Oct 2021 20:53:11 -0400 Received: from eu-shark1.inbox.eu ([195.216.236.81]:42888 "EHLO eu-shark1.inbox.eu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229702AbhJUAxK (ORCPT ); Wed, 20 Oct 2021 20:53:10 -0400 Received: from eu-shark1.inbox.eu (localhost [127.0.0.1]) by eu-shark1-out.inbox.eu (Postfix) with ESMTP id CCFB66C00CBC; Thu, 21 Oct 2021 03:50:54 +0300 (EEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=inbox.eu; s=20140211; t=1634777454; bh=/tS3nY+/J0k8f2xwgmm3dOkzWeyvFRaA9NraTKyCq7Q=; h=References:From:To:Cc:Subject:Date:In-reply-to; b=iRKztYYIhYOiov+e4iTPazHkwazNaMjvOa+RBGaPpVv8dR2hW4XRdoeGyuACKQz7T i8NKXyD58+KHlKymNU0AeB0kzJsffhp12PBFF/kcyeGts+rOJiyxF6goOpMpXgukSP PDPCEgYip5iYDSEi4wKvVlfwOn5NzDzyn+iabzeg= Received: from localhost (localhost [127.0.0.1]) by eu-shark1-in.inbox.eu (Postfix) with ESMTP id BB3236C00CBE; Thu, 21 Oct 2021 03:50:54 +0300 (EEST) Received: from eu-shark1.inbox.eu ([127.0.0.1]) by localhost (eu-shark1.inbox.eu [127.0.0.1]) (spamfilter, port 35) with ESMTP id C71pjP6vCIxV; Thu, 21 Oct 2021 03:50:54 +0300 (EEST) Received: from mail.inbox.eu (eu-pop1 [127.0.0.1]) by eu-shark1-in.inbox.eu (Postfix) with ESMTP id 50C0F6C00CBC; Thu, 21 Oct 2021 03:50:54 +0300 (EEST) Received: from nas (unknown [117.62.172.224]) (Authenticated sender: l@damenly.su) by mail.inbox.eu (Postfix) with ESMTPA id 68A611BE02B1; Thu, 21 Oct 2021 03:50:52 +0300 (EEST) References: <7de9iylb.fsf@damenly.su> <35owijrm.fsf@damenly.su> User-agent: mu4e 1.7.0; emacs 27.2 From: Su Yue To: Qu Wenruo Cc: Chris Murphy , Nikolay Borisov , Qu Wenruo , Btrfs BTRFS Subject: Re: 5.14.9 aarch64 OOPS Workqueue: btrfs-delalloc btrfs_work_helper Date: Thu, 21 Oct 2021 08:46:02 +0800 In-reply-to: Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Virus-Scanned: OK X-ESPOL: 885mlYtJBDimlF+mQWXcBwIr3FlEL5P5mZS31QE76Hb7Ny6FfEAOURSxgR8IQDzn/iM= Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On Thu 21 Oct 2021 at 08:37, Qu Wenruo =20 wrote: > On 2021/10/21 08:29, Su Yue wrote: >> >> On Wed 20 Oct 2021 at 19:55, Chris Murphy=20 >> 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=20 >>> 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=20 >> found, >> so I think we can exclude the possibility of the toolchain. > > Or this can also mean, fstests is not enough to trigger it? > Right...Can't deny the possibility without any evidence for now. -- Su > Thanks, > Qu > >> >> -- >> 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: [=C2=A0 286.982605] Unable to handle kernel paging=20 >>> request >>> at virtual address fffffffffffffdd0 >>> [=C2=A0 286.988338] Mem abort info: >>> [=C2=A0 286.990307]=C2=A0=C2=A0 ESR =3D 0x96000004 >>> [=C2=A0 286.992596]=C2=A0=C2=A0 EC =3D 0x25: DABT (current EL), IL =3D = 32 bits >>> [=C2=A0 286.996316]=C2=A0=C2=A0 SET =3D 0, FnV =3D 0 >>> [=C2=A0 286.998454]=C2=A0=C2=A0 EA =3D 0, S1PTW =3D 0 >>> [=C2=A0 287.000791]=C2=A0=C2=A0 FSC =3D 0x04: level 0 translation fault >>> [=C2=A0 287.004472] Data abort info: >>> [=C2=A0 287.006540]=C2=A0=C2=A0 ISV =3D 0, ISS =3D 0x00000004 >>> [=C2=A0 287.009239]=C2=A0=C2=A0 CM =3D 0, WnR =3D 0 >>> [=C2=A0 287.011344] swapper pgtable: 4k pages, 48-bit VAs, >>> pgdp=3D0000000054181000 >>> [=C2=A0 287.018245] [fffffffffffffdd0] pgd=3D0000000000000000, >>> p4d=3D0000000000000000 >>> [=C2=A0 287.024209] Internal error: Oops: 96000004 [#1] SMP >>> [=C2=A0 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=20 >>> vfat fat >>> drm fuse zram ip_tables crct10dif_ce ghash_ce virtio_blk=20 >>> qemu_fw_cfg >>> virtio_mmio aes_neon_bs >>> [=C2=A0 287.047659] CPU: 0 PID: 3558 Comm: kworker/u8:7 Kdump:=20 >>> loaded Not >>> tainted 5.14.10-300.fc35.aarch64 #1 >>> [=C2=A0 287.055269] Hardware name: QEMU KVM Virtual Machine, BIOS=20 >>> 0.0.0 >>> 02/06/2015 >>> [=C2=A0 287.060932] Workqueue: btrfs-delalloc btrfs_work_helper >>> [=C2=A0 287.065353] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO=20 >>> BTYPE=3D--) >>> [=C2=A0 287.070568] pc : submit_compressed_extents+0x38/0x3d0 >>> [=C2=A0 287.074825] lr : async_cow_submit+0x50/0xd0 >>> [=C2=A0 287.078217] sp : ffff800015d4bc20 >>> [=C2=A0 287.081008] x29: ffff800015d4bc30 x28: 0000000000000000=20 >>> x27: >>> ffffb8a2fa941000 >>> [=C2=A0 287.087022] x26: fffffffffffffdd0 x25: dead000000000100=20 >>> x24: >>> ffff000115873608 >>> [=C2=A0 287.092822] x23: 0000000000000000 x22: 0000000000000001=20 >>> x21: >>> ffff0000c6f25800 >>> [=C2=A0 287.098591] x20: ffff0000c0596000 x19: 0000000000000001=20 >>> x18: >>> ffff0000c2100bd4 >>> [=C2=A0 287.104387] x17: ffff000115875ff8 x16: 0000000000000006=20 >>> x15: >>> 50006a3d10a961cd >>> [=C2=A0 287.110159] x14: f0668b836620caa1 x13: 0000000000000020=20 >>> x12: >>> ffff0001fefa68c0 >>> [=C2=A0 287.116170] x11: ffffb8a2fa95b500 x10: 0000000000000000 x9=20 >>> : >>> ffffb8a2f9131c40 >>> [=C2=A0 287.122120] x8 : ffff475f045bb000 x7 : ffff800015d4bbe0 x6=20 >>> : >>> ffffb8a2fae8ad40 >>> [=C2=A0 287.128086] x5 : 0000000000000000 x4 : 0000000000000000 x3=20 >>> : >>> ffff0000c6f25820 >>> [=C2=A0 287.133953] x2 : 0000000000000000 x1 : ffff000115873630 x0=20 >>> : >>> ffff000115873630 >>> [=C2=A0 287.139760] Call trace: >>> [=C2=A0 287.141784]=C2=A0 submit_compressed_extents+0x38/0x3d0 >>> [=C2=A0 287.145620]=C2=A0 async_cow_submit+0x50/0xd0 >>> [=C2=A0 287.148801]=C2=A0 run_ordered_work+0xc8/0x280 >>> [=C2=A0 287.152005]=C2=A0 btrfs_work_helper+0x98/0x250 >>> [=C2=A0 287.155450]=C2=A0 process_one_work+0x1f0/0x4ac >>> [=C2=A0 287.161577]=C2=A0 worker_thread+0x188/0x504 >>> [=C2=A0 287.167461]=C2=A0 kthread+0x110/0x114 >>> [=C2=A0 287.172872]=C2=A0 ret_from_fork+0x10/0x18 >>> [=C2=A0 287.178558] Code: a9056bf9 f8428437 f9401400 d108c2fa=20 >>> (f9400356) >>> [=C2=A0 287.186268] ---[ end trace 41ec405ced3786b6 ]---