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=-4.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no 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 63F27C433DB for ; Tue, 30 Mar 2021 18:06:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 181E7619D2 for ; Tue, 30 Mar 2021 18:06:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232580AbhC3SGL (ORCPT ); Tue, 30 Mar 2021 14:06:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36420 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232672AbhC3SF6 (ORCPT ); Tue, 30 Mar 2021 14:05:58 -0400 Received: from mail-wm1-x32c.google.com (mail-wm1-x32c.google.com [IPv6:2a00:1450:4864:20::32c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4FB59C061574 for ; Tue, 30 Mar 2021 11:05:58 -0700 (PDT) Received: by mail-wm1-x32c.google.com with SMTP id d8-20020a1c1d080000b029010f15546281so10820478wmd.4 for ; Tue, 30 Mar 2021 11:05:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=to:from:subject:message-id:date:user-agent:mime-version :content-language:content-transfer-encoding; bh=SgWUFfe4ePadL3u4ajYSroX5z7sptvjU7b0NTQ0CNNQ=; b=L3RF9OlgDM717+8og78wYG4VPWY13SIwNL89MB7gBaGJzzWlHUlYRvJDYyQFUJxJQh e+KQ+1qIvVU8tyV60GCcRc6PxlaYM++Uvve3UgBkp2+F3jABwXEpYtp/b8NeQtqawCYK 8INDMBtQnjq5vI93KpJYI9YbXxtlST11wqQSenApg8HH06OAc5s4F8I7mzjzOEaAz/1Q 3A+Rf8iDD78IFXVmdPT7LZH6MweiBhbmNUsnH1Vc+ozQbrDWs5uDVWrLoI65Rur1vwhp WgaDzBCCKQro8dnWcs7l9es4aSLdf9EPR+6iVSck/rVDArsfoy9XubRt0GUuIqc6SPpK 7c8A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:to:from:subject:message-id:date:user-agent :mime-version:content-language:content-transfer-encoding; bh=SgWUFfe4ePadL3u4ajYSroX5z7sptvjU7b0NTQ0CNNQ=; b=UyzEy8t7O7ikF1S3QR0v2is5+XO2LgOAi3+Iv631DQBkwPj1GTHpBuWxJ9l8GTgKUQ EfJKBWs21iLfvQE3y9x1kDIWt9E2H4DhuXKFZZoWKB0da2ZBmQw2B8hmnGciXDRXZKJg e8MOSg0JSXc2sswJECRlqOpRKhxNEzf0BnwSVn2dFYPXpeTNM4JQK1fFBGHtMQKPyI70 CFo9G/i0NpuuctX0TO67zm1pxaD/aNsSDPgAi9uxTzGwN/KZ59NXPmzEfMY64UcMh3OJ G7a+E5mTRXWniJ33hkZpoha3vZawxWb8XCMqL63umsrM7EbIR8vPh9Ar4Rot3hxrblgS j/Vg== X-Gm-Message-State: AOAM533BdHVDsuqO84+gYebr4q9qlQ7y3Xzx4+2P5KJ0avx0ZbZr1jXA KbMqeqVvIiohDVthnyEGBfAFjdpfH2hZng== X-Google-Smtp-Source: ABdhPJyK26G0lM+vrqNSDbVDmJmlYupHVikk/9NyGOF7I4j/fAxs7xm64tair4pZomxdcIwF5H8WdA== X-Received: by 2002:a1c:e341:: with SMTP id a62mr5460605wmh.152.1617127557010; Tue, 30 Mar 2021 11:05:57 -0700 (PDT) Received: from yuna.elaboris.de (dslb-002-202-189-052.002.202.pools.vodafone-ip.de. [2.202.189.52]) by smtp.gmail.com with ESMTPSA id y18sm36168116wrq.61.2021.03.30.11.05.56 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 30 Mar 2021 11:05:56 -0700 (PDT) To: linux-btrfs@vger.kernel.org From: Markus Schaaf Subject: Any ideas what this warnings are about? Message-ID: <43acc426-d683-d1b6-729d-c6bc4a2fff4d@gmail.com> Date: Tue, 30 Mar 2021 20:05:56 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.9.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-GB-large Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org Hi all, on one of my machines I'm seeing these warnings a lot lately: ------------[ cut here ]------------ WARNING: CPU: 1 PID: 314 at fs/fs-writeback.c:2472 __writeback_inodes_sb_nr+0xb8/0xd0 Modules linked in: iTCO_wdt wireguard curve25519_x86_64 libchacha20poly1305 intel_pmc_bxt iTCO_vendor_support chacha_x86_64 poly1305_x86_64 libblake2s blake2s_x86_64 ip6_udp_tunnel udp_tunnel libcurve25519_generic libchacha libblake2s_generic psmouse joydev mousedev pcspkr i2c_i801 i2c_smbus lpc_ich iptable_filter xt_nat xt_tcpudp intel_agp intel_gtt iptable_nat nf_nat qemu_fw_cfg nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 mac_hid vfat fat auth_rpcgss sunrpc fuse ip_tables x_tables btrfs blake2b_generic libcrc32c crc32c_generic xor raid6_pq dm_crypt cbc encrypted_keys trusted tpm usbhid dm_mod virtio_gpu virtio_dma_buf drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops cec drm virtio_scsi virtio_balloon virtio_net virtio_console net_failover agpgart failover crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel aesni_intel crypto_simd cryptd glue_helper serio_raw sr_mod cdrom xhci_pci virtio_pci virtio_rng rng_core CPU: 1 PID: 314 Comm: btrfs-transacti Tainted: G W 5.10.26-1-MANJARO #1 Hardware name: Hetzner vServer, BIOS 20171111 11/11/2017 RIP: 0010:__writeback_inodes_sb_nr+0xb8/0xd0 Code: 0f b6 d1 48 8d 74 24 10 e8 35 fc ff ff 48 89 e7 e8 7d fb ff ff 48 8b 44 24 48 65 48 2b 04 25 28 00 00 00 75 09 48 83 c4 50 c3 <0f> 0b eb cf e8 df 8c 75 00 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f RSP: 0018:ffffb1f5448f7d98 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff961185aa5488 RCX: 0000000000000000 RDX: 0000000000000002 RSI: 0000000000004b45 RDI: ffff9611b7220000 RBP: ffff9611b64d3958 R08: ffff961184efc800 R09: 0000000000000140 R10: ffff9611859e6400 R11: ffff961192af3c10 R12: ffff9611838f7c00 R13: ffff961185aa5000 R14: ffff961185aa5460 R15: 0000000000011a0f FS: 0000000000000000(0000) GS:ffff9611fad00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f654bc76b58 CR3: 0000000002c60000 CR4: 00000000003506e0 Call Trace: btrfs_commit_transaction+0x448/0xbc0 [btrfs] ? start_transaction+0xcc/0x5b0 [btrfs] transaction_kthread+0x143/0x170 [btrfs] ? btrfs_cleanup_transaction.isra.0+0x560/0x560 [btrfs] kthread+0x133/0x150 ? __kthread_bind_mask+0x60/0x60 ret_from_fork+0x22/0x30 ---[ end trace 3cefecf5d9d20b50 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 758 at fs/fs-writeback.c:2472 __writeback_inodes_sb_nr+0xb8/0xd0 Modules linked in: iTCO_wdt wireguard curve25519_x86_64 libchacha20poly1305 intel_pmc_bxt iTCO_vendor_support chacha_x86_64 poly1305_x86_64 libblake2s blake2s_x86_> CPU: 0 PID: 758 Comm: journal-offline Tainted: G W 5.10.26-1-MANJARO #1 Hardware name: Hetzner vServer, BIOS 20171111 11/11/2017 RIP: 0010:__writeback_inodes_sb_nr+0xb8/0xd0 Code: 0f b6 d1 48 8d 74 24 10 e8 35 fc ff ff 48 89 e7 e8 7d fb ff ff 48 8b 44 24 48 65 48 2b 04 25 28 00 00 00 75 09 48 83 c4 50 c3 <0f> 0b eb cf e8 df 8c 75 00 66> RSP: 0018:ffffb1f540d7fd40 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff961185aa5488 RCX: 0000000000000000 RDX: 0000000000000002 RSI: 0000000000004be5 RDI: ffff9611b7220000 RBP: ffff961182209208 R08: ffff961184efc800 R09: 0000000000000140 R10: ffff9611859e6400 R11: ffff961192af3c10 R12: ffff961183891200 R13: ffff961185aa5000 R14: ffff961185aa5460 R15: ffff9611b65d5e10 FS: 00007f654b80e640(0000) GS:ffff9611fac00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f654cf39010 CR3: 0000000003884000 CR4: 00000000003506f0 Call Trace: btrfs_commit_transaction+0x448/0xbc0 [btrfs] ? btrfs_wait_ordered_range+0x1b8/0x210 [btrfs] ? btrfs_sync_file+0x2b8/0x4e0 [btrfs] btrfs_sync_file+0x343/0x4e0 [btrfs] __x64_sys_fsync+0x34/0x60 do_syscall_64+0x33/0x40 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f654cf26deb Code: 4a 00 00 00 0f 05 48 3d 00 f0 ff ff 77 41 c3 48 83 ec 18 89 7c 24 0c e8 33 f7 ff ff 8b 7c 24 0c 41 89 c0 b8 4a 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89> RSP: 002b:00007f654b80db10 EFLAGS: 00000293 ORIG_RAX: 000000000000004a RAX: ffffffffffffffda RBX: 00005636c966b410 RCX: 00007f654cf26deb RDX: 0000000000000002 RSI: 00007f654d169d43 RDI: 0000000000000016 RBP: 00007f654d16c6f0 R08: 0000000000000000 R09: 00007f654b80e640 R10: 0000000000000003 R11: 0000000000000293 R12: 0000000000000002 R13: 00007ffc8bd7461f R14: 0000000000000000 R15: 00007f654b80e640 ---[ end trace 3cefecf5d9d20b84 ]--- This is a KVM guest on an AMD host. A similar machine on an Intel host doesn't show this. There is a single BTRFS filesystem on LUKS. It has been created like: mkfs.btrfs --csum blake2 -d single -m single /dev/mapper/rootfs I've tested Manjaro's 5.11.10 kernel too. No change. btrfs-check (5.11.1) shows nothing. I've even recreated the filesystem. No change. Maybe the machine without warnings uses the default hash. How can I find out? Thanks! Markus