From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-f178.google.com ([209.85.223.178]:44643 "EHLO mail-io0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750733AbdISP4b (ORCPT ); Tue, 19 Sep 2017 11:56:31 -0400 Received: by mail-io0-f178.google.com with SMTP id v36so170236ioi.1 for ; Tue, 19 Sep 2017 08:56:31 -0700 (PDT) MIME-Version: 1.0 From: Rich Rauenzahn Date: Tue, 19 Sep 2017 08:56:29 -0700 Message-ID: Subject: WARNING: CPU: 3 PID: 439 at fs/btrfs/ctree.h:1559 btrfs_update_device+0x1c5/0x1d0 [btrfs] To: Btrfs BTRFS Content-Type: text/plain; charset="UTF-8" Sender: linux-btrfs-owner@vger.kernel.org List-ID: I've filed a bug on this kernel trace -- I get 100's of these a day. I'd like to make them go away .... https://bugzilla.kernel.org/show_bug.cgi?id=196949 [ 4.747356] ------------[ cut here ]------------ [ 4.747377] WARNING: CPU: 3 PID: 439 at fs/btrfs/ctree.h:1559 btrfs_update_device+0x1c5/0x1d0 [btrfs] [ 4.747377] Modules linked in: nfs_acl lockd grace sunrpc ip_tables btrfs xor raid6_pq sd_mod crc32c_intel firewire_ohci igb ahci firewire_core crc_itu_t dca libahci i915 libata i2c_algo_bit e1000e drm_kms_helper ptp syscopyarea sysfillrect pps_core sysimgblt f b_sys_fops drm video [ 4.747385] CPU: 3 PID: 439 Comm: btrfs-cleaner Not tainted 4.13.2-1.el7.elrepo.x86_64 #1 [ 4.747385] Hardware name: Supermicro X10SAE/X10SAE, BIOS 2.0a 05/09/2014 [ 4.747386] task: ffff88040cdcae80 task.stack: ffffc900021f4000 [ 4.747396] RIP: 0010:btrfs_update_device+0x1c5/0x1d0 [btrfs] [ 4.747396] RSP: 0018:ffffc900021f7d00 EFLAGS: 00010206 [ 4.747397] RAX: 0000000000000fff RBX: ffff880407b7aa80 RCX: 0000001bc6c71e00 [ 4.747397] RDX: ffff880000000000 RSI: ffff880404cd3f3c RDI: ffff880409417b58 [ 4.747398] RBP: ffffc900021f7d48 R08: 0000000000003f60 R09: ffffc900021f7cb8 [ 4.747398] R10: 0000000000001000 R11: 0000000000000003 R12: ffff88040559f800 [ 4.747398] R13: 0000000000000000 R14: ffff880409417b58 R15: 0000000000003f3c [ 4.747399] FS: 0000000000000000(0000) GS:ffff88041fac0000(0000) knlGS:0000000000000000 [ 4.747399] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4.747400] CR2: 00007f29c3000248 CR3: 00000004056a4000 CR4: 00000000001406e0 [ 4.747400] Call Trace: [ 4.747410] btrfs_remove_chunk+0x2fb/0x8b0 [btrfs] [ 4.747418] btrfs_delete_unused_bgs+0x363/0x440 [btrfs] [ 4.747426] cleaner_kthread+0x150/0x180 [btrfs] [ 4.747429] kthread+0x109/0x140 [ 4.747436] ? btree_invalidatepage+0xa0/0xa0 [btrfs] [ 4.747437] ? kthread_park+0x60/0x60 [ 4.747439] ret_from_fork+0x25/0x30 [ 4.747439] Code: 10 00 00 00 4c 89 fe e8 8a 30 ff ff 4c 89 f7 e8 32 f6 fc ff e9 d3 fe ff ff b8 f4 ff ff ff e9 d4 fe ff ff 0f 1f 00 e8 bb 2e 9e e0 <0f> ff eb af 0f 1f 80 00 00 00 00 0f 1f 44 00 00 55 31 d2 be 02 [ 4.747450] ---[ end trace 1ef80a625983d73b ]---