Hi, I update kernel from 4.11.10 to 4.13.4 and since that I get the following message in the kernel journal calling 'scrub' or 'balance'. I use Fedora 26 with btrfs-progs v4.9.1. What does this mean and (more important) what can I do? Bye Frank BTRFS info (device dm-7): relocating block group 44050690342912 flags system|raid1 BTRFS info (device dm-7): found 117 extents ------------[ cut here ]------------ WARNING: CPU: 3 PID: 22095 at fs/btrfs/ctree.h:1559 btrfs_update_device+0x1be/0x1d0 [btrfs] Modules linked in: rpcsec_gss_krb5 veth xt_nat xt_addrtype br_netfilter xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 tun nf_conntrack_sane xt_CT ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack libcrc32c iptable_mangle iptable_raw iptable_security ebtable_filter ebtables ip6table_filter ip6_tables ftsteutates btrfs xor raid6_pq tda18212 cxd2841er tpm_crb intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm iTCO_wdt irqbypass iTCO_vendor_support intel_cstate intel_uncore mei_wdt intel_rapl_perf ppdev hci_uart ddbridge dvb_core Okt 09 19:08:32 hypercloud.fritz.box kernel: btbcm btqca btintel mei_me i2c_i801 shpchp bluetooth joydev mei intel_pch_thermal wmi intel_lpss_acpi intel_lpss pinctrl_sunrisepoint fujitsu_laptop parport_pc sparse_keymap ecdh_generic parport tpm_tis pinctrl_intel tpm_tis_core rfkill tpm acpi_pad nfsd auth_rpcgss nfs_acl lockd grace sunrpc dm_crypt i915 crct10dif_pclmul i2c_algo_bit crc32_pclmul drm_kms_helper crc32c_intel e1000e drm ghash_clmulni_intel serio_raw ptp pps_core video i2c_hid CPU: 3 PID: 22095 Comm: btrfs Tainted: G W 4.13.4-200.fc26.x86_64 #1 Hardware name: FUJITSU D3417-B1/D3417-B1, BIOS V5.0.0.11 R1.12.0 for D3417-B1x 02/09/2016 task: ffff8ecb59b026c0 task.stack: ffffb805cae90000 RIP: 0010:btrfs_update_device+0x1be/0x1d0 [btrfs] RSP: 0018:ffffb805cae93ac8 EFLAGS: 00010206 RAX: 0000000000000fff RBX: ffff8ed094bb11c0 RCX: 0000074702251e00 RDX: 0000000000000004 RSI: 0000000000003efa RDI: ffff8ec9eb032c08 RBP: ffffb805cae93b10 R08: 0000000000003efe R09: ffffb805cae93a80 R10: 0000000000001000 R11: 0000000000000003 R12: ffff8ed0c7a3f000 R13: 0000000000000000 R14: 0000000000003eda R15: ffff8ec9eb032c08 FS: 00007f10b256a8c0(0000) GS:ffff8ed0ee4c0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6261c0d5f0 CR3: 00000005cad4c000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: btrfs_remove_chunk+0x365/0x870 [btrfs] btrfs_relocate_chunk+0x7e/0xd0 [btrfs] btrfs_balance+0xc07/0x1390 [btrfs] btrfs_ioctl_balance+0x319/0x380 [btrfs] btrfs_ioctl+0x9d5/0x24a0 [btrfs] ? lru_cache_add+0x3a/0x80 ? lru_cache_add_active_or_unevictable+0x4c/0xf0 ? __handle_mm_fault+0x939/0x10b0 do_vfs_ioctl+0xa5/0x600 ? do_brk_flags+0x230/0x360 ? do_vfs_ioctl+0xa5/0x600 SyS_ioctl+0x79/0x90 entry_SYSCALL_64_fastpath+0x1a/0xa5 RIP: 0033:0x7f10b15e65e7 RSP: 002b:00007ffc9402ebe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000008041 RCX: 00007f10b15e65e7 RDX: 00007ffc9402ec80 RSI: 00000000c4009420 RDI: 0000000000000003 RBP: 00007f10b18abae0 R08: 000055b07a3b3010 R09: 0000000000000078 R10: 00007f10b18abb38 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f10b18abb38 R14: 0000000000008060 R15: 0000000000000000 Code: 4c 89 ff 45 31 c0 ba 10 00 00 00 4c 89 f6 e8 fa 20 ff ff 4c 89 ff e8 72 ef fc ff e9 d3 fe ff ff 41 bd f4 ff ff ff e9 d0 fe ff ff <0f> ff eb b6 e8 39 fd 78 c6 66 0f 1f 84 00 00 00 00 00 0f 1f 44 ---[ end trace d1e1c8aff99bfeb8 ]--- -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
