...and can it be related to the Samsung 840 SSD's not supporting NCQ Trim? (Although I can't tell which device this trace is from -- it could be a mechanical Western Digital.)
On Sun, Sep 10, 2017 at 10:16 PM, Rich Rauenzahn <rraue...@gmail.com> wrote: > Is this something to be concerned about? > > I'm running the latest mainline kernel on CentOS 7. > > [ 1338.882288] ------------[ cut here ]------------ > [ 1338.883058] WARNING: CPU: 2 PID: 790 at fs/btrfs/ctree.h:1559 > btrfs_update_device+0x1c5/0x1d0 [btrfs] > [ 1338.883809] Modules linked in: xt_nat veth ipt_MASQUERADE > nf_nat_masquerade_ipv4 xt_addrtype overlay loop nf_conntrack_ftp > nf_log_ipv4 nf_log_common xt_LOG xt_limit xt_comment xt_recent > xt_multiport xt_conntrack iptable_filter xt_REDIRECT nf_nat_redirect > iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nct6775 > nf_nat nf_conntrack hwmon_vid jc42 vfat fat dm_mirror dm_region_hash > dm_log dm_mod dax xfs libcrc32c x86_pkg_temp_thermal intel_powerclamp > coretemp kvm_intel kvm snd_hda_codec_realtek snd_hda_codec_hdmi > snd_hda_codec_generic irqbypass crct10dif_pclmul crc32_pclmul > snd_hda_intel ghash_clmulni_intel pcbc snd_hda_codec aesni_intel > snd_hda_core iTCO_wdt snd_hwdep crypto_simd glue_helper cryptd > iTCO_vendor_support snd_seq mei_wdt snd_seq_device intel_cstate > cdc_acm snd_pcm intel_rapl_perf > [ 1338.888639] input_leds snd_timer lpc_ich i2c_i801 pcspkr > intel_pch_thermal snd mfd_core sg mei_me soundcore mei acpi_pad shpchp > ie31200_edac nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables > btrfs xor raid6_pq sd_mod crc32c_intel ahci e1000e libahci > firewire_ohci igb i915 dca firewire_core ptp i2c_algo_bit crc_itu_t > libata pps_core drm_kms_helper syscopyarea sysfillrect sysimgblt > fb_sys_fops drm video > [ 1338.891412] CPU: 2 PID: 790 Comm: btrfs-cleaner Tainted: G W > 4.13.1-1.el7.elrepo.x86_64 #1 > [ 1338.892171] Hardware name: Supermicro X10SAE/X10SAE, BIOS 2.0a 05/09/2014 > [ 1338.892884] task: ffff880407cec5c0 task.stack: ffffc90002624000 > [ 1338.893613] RIP: 0010:btrfs_update_device+0x1c5/0x1d0 [btrfs] > [ 1338.894299] RSP: 0018:ffffc90002627d00 EFLAGS: 00010206 > [ 1338.894956] RAX: 0000000000000fff RBX: ffff880407cd9930 RCX: > 000001d1c1011e00 > [ 1338.895647] RDX: ffff880000000000 RSI: ffff880336e80f9e RDI: > ffff88028395bd88 > [ 1338.896304] RBP: ffffc90002627d48 R08: 0000000000003fc2 R09: > ffffc90002627cb8 > [ 1338.896934] R10: 0000000000001000 R11: 0000000000000003 R12: > ffff880405f68c00 > [ 1338.897618] R13: 0000000000000000 R14: ffff88028395bd88 R15: > 0000000000003f9e > [ 1338.898251] FS: 0000000000000000(0000) GS:ffff88041fa80000(0000) > knlGS:0000000000000000 > [ 1338.898867] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 1338.899522] CR2: 00007ff82f2cb000 CR3: 0000000001c09000 CR4: > 00000000001406e0 > [ 1338.900157] DR0: 0000000000000000 DR1: 0000000000000000 DR2: > 0000000000000000 > [ 1338.900772] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: > 0000000000000400 > [ 1338.901402] Call Trace: > [ 1338.902017] btrfs_remove_chunk+0x2fb/0x8b0 [btrfs] > [ 1338.902673] btrfs_delete_unused_bgs+0x363/0x440 [btrfs] > [ 1338.903304] cleaner_kthread+0x150/0x180 [btrfs] > [ 1338.903908] kthread+0x109/0x140 > [ 1338.904593] ? btree_invalidatepage+0xa0/0xa0 [btrfs] > [ 1338.905207] ? kthread_park+0x60/0x60 > [ 1338.905803] ret_from_fork+0x25/0x30 > [ 1338.906416] 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 > cb 3e be e0 <0f> ff eb af 0f 1f 80 00 00 00 00 0f 1f 44 00 00 55 31 d2 > be 02 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html