... [13940826.679535] ata4: link is slow to respond, please be patient (ready=0) [13940826.715588] ata3: link is slow to respond, please be patient (ready=0) [13940830.855320] ata3: COMRESET failed (errno=-16) [13940830.857487] ata3: hard resetting link [13940830.879305] ata4: COMRESET failed (errno=-16) [13940830.881402] ata4: hard resetting link [13940831.567340] ata3: SATA link up 1.5 Gbps (SStatus 113 SControl 310) [13940831.591337] ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 310) [13940831.842762] ata4.00: configured for UDMA/133 [13940831.842774] ata4: EH complete [13940831.895485] ata3.00: configured for UDMA/133 [13940831.895495] ata3: EH complete [13942645.785185] ata4: exception Emask 0x10 SAct 0x0 SErr 0x4090000 action 0xe frozen [13942645.787579] ata4: irq_stat 0x00400040, connection status changed [13942645.789981] ata4: SError: { PHYRdyChg 10B8B DevExch } [13942645.792035] ata4: hard resetting link [13942645.792053] ata3: exception Emask 0x10 SAct 0x0 SErr 0x4090000 action 0xe frozen [13942645.794225] ata3: irq_stat 0x00400040, connection status changed [13942645.796163] ata3: SError: { PHYRdyChg 10B8B DevExch } [13942645.798122] ata3: hard resetting link [13942651.692129] ata3: link is slow to respond, please be patient (ready=0) [13942651.692141] ata4: link is slow to respond, please be patient (ready=0) [13942654.932049] ata3: SATA link down (SStatus 0 SControl 310) [13942654.932064] ata3.00: link offline, clearing class 1 to NONE [13942655.076201] ata3: hard resetting link [13942655.076288] ata4: SATA link down (SStatus 0 SControl 310) [13942655.076297] ata4.00: link offline, clearing class 1 to NONE [13942655.082787] ata4: hard resetting link [13942660.431729] ata3: link is slow to respond, please be patient (ready=0) [13942660.439653] ata4: link is slow to respond, please be patient (ready=0) [13942663.859531] ata4: SATA link down (SStatus 0 SControl 310) [13942663.859540] ata4.00: link offline, clearing class 1 to NONE [13942663.998391] ata4: hard resetting link [13942663.998462] ata3: SATA link down (SStatus 0 SControl 310) [13942663.998471] ata3.00: link offline, clearing class 1 to NONE [13942664.042066] ata3: hard resetting link [13942669.391142] ata4: link is slow to respond, please be patient (ready=0) [13942669.391156] ata3: link is slow to respond, please be patient (ready=0) [13942672.811032] ata4: SATA link down (SStatus 0 SControl 310) [13942672.811043] ata4.00: link offline, clearing class 1 to NONE [13942672.811052] ata4.00: disabled [13942672.811085] ata4: EH complete [13942672.811094] ata3: SATA link down (SStatus 0 SControl 310) [13942672.811105] ata3.00: link offline, clearing class 1 to NONE [13942672.811115] ata3.00: disabled [13942672.811118] ata4.00: detaching (SCSI 3:0:0:0) [13942672.811143] ata3: EH complete [13942672.811165] ata3.00: detaching (SCSI 2:0:0:0) [13942672.812676] sd 3:0:0:0: [sdc] Stopping disk [13942672.812751] sd 2:0:0:0: [sdb] Stopping disk [13942672.812777] sd 3:0:0:0: [sdc] Start/Stop Unit failed: Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [13942672.812803] sd 2:0:0:0: [sdb] Start/Stop Unit failed: Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [13942672.927959] ata4: exception Emask 0x10 SAct 0x0 SErr 0x4040000 action 0xe frozen [13942672.931572] ata4: irq_stat 0x00000040, connection status changed [13942672.934757] ata4: SError: { CommWake DevExch } [13942672.937431] ata4: hard resetting link [13942672.983564] ata3: exception Emask 0x10 SAct 0x0 SErr 0x4040000 action 0xe frozen [13942672.986278] ata3: irq_stat 0x00000040, connection status changed [13942672.989031] ata3: SError: { CommWake DevExch } [13942672.992316] ata3: hard resetting link [13942678.686710] ata4: link is slow to respond, please be patient (ready=0) [13942678.742705] ata3: link is slow to respond, please be patient (ready=0) [13942682.946487] ata4: SATA link up 3.0 Gbps (SStatus 123 SControl 300) [13942683.002426] ata3: COMRESET failed (errno=-16) [13942683.005434] ata3: hard resetting link [13942683.284655] ata4.00: ATA-9: WDC WD6002FFWX-68TZ4N0, 83.H0A83, max UDMA/133 [13942683.284662] ata4.00: 11721045168 sectors, multi 0: LBA48 NCQ (depth 31/32), AA [13942683.292587] ata4.00: configured for UDMA/133 [13942683.292606] ata4: EH complete [13942683.293066] scsi 3:0:0:0: Direct-Access ATA WDC WD6002FFWX-6 0A83 PQ: 0 ANSI: 5 [13942683.335331] sd 3:0:0:0: [sdf] 11721045168 512-byte logical blocks: (6.00 TB/5.46 TiB) [13942683.335341] sd 3:0:0:0: [sdf] 4096-byte physical blocks [13942683.335470] sd 3:0:0:0: Attached scsi generic sg1 type 0 [13942683.335706] sd 3:0:0:0: [sdf] Write Protect is off [13942683.335720] sd 3:0:0:0: [sdf] Mode Sense: 00 3a 00 00 [13942683.335856] sd 3:0:0:0: [sdf] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [13942683.352758] sd 3:0:0:0: [sdf] Attached SCSI removable disk [13942683.722409] ata3: SATA link up 3.0 Gbps (SStatus 123 SControl 300) [13942683.726180] ata3.00: ATA-9: WDC WD6002FFWX-68TZ4N0, 83.H0A83, max UDMA/133 [13942683.726188] ata3.00: 11721045168 sectors, multi 0: LBA48 NCQ (depth 31/32), AA [13942683.734444] ata3.00: configured for UDMA/133 [13942683.734462] ata3: EH complete [13942683.734971] scsi 2:0:0:0: Direct-Access ATA WDC WD6002FFWX-6 0A83 PQ: 0 ANSI: 5 [13942683.779103] sd 2:0:0:0: [sdg] 11721045168 512-byte logical blocks: (6.00 TB/5.46 TiB) [13942683.779111] sd 2:0:0:0: [sdg] 4096-byte physical blocks [13942683.779282] sd 2:0:0:0: Attached scsi generic sg2 type 0 [13942683.779483] sd 2:0:0:0: [sdg] Write Protect is off [13942683.779498] sd 2:0:0:0: [sdg] Mode Sense: 00 3a 00 00 [13942683.779664] sd 2:0:0:0: [sdg] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [13942683.796395] sd 2:0:0:0: [sdg] Attached SCSI removable disk [13942886.397293] BTRFS error (device dm-1): bdev /dev/mapper/K1JGYJJD errs: wr 1, rd 0, flush 0, corrupt 0, gen 0 [13942886.397515] BTRFS error (device dm-1): bdev /dev/mapper/K1JG82AD errs: wr 1, rd 0, flush 0, corrupt 0, gen 0 [13942886.398349] BTRFS error (device dm-1): bdev /dev/mapper/K1JG82AD errs: wr 2, rd 0, flush 0, corrupt 0, gen 0 [13942886.399066] BTRFS error (device dm-1): bdev /dev/mapper/K1JG82AD errs: wr 3, rd 0, flush 0, corrupt 0, gen 0 [13942886.399834] BTRFS error (device dm-1): bdev /dev/mapper/K1JG82AD errs: wr 4, rd 0, flush 0, corrupt 0, gen 0 [13942886.402749] BTRFS error (device dm-1): bdev /dev/mapper/K1JG82AD errs: wr 5, rd 0, flush 0, corrupt 0, gen 0 [13942886.402763] BTRFS error (device dm-1): bdev /dev/mapper/K1JG82AD errs: wr 6, rd 0, flush 0, corrupt 0, gen 0 [13942886.402786] BTRFS error (device dm-1): bdev /dev/mapper/K1JG82AD errs: wr 7, rd 0, flush 0, corrupt 0, gen 0 [13942886.402801] BTRFS error (device dm-1): bdev /dev/mapper/K1JG82AD errs: wr 8, rd 0, flush 0, corrupt 0, gen 0 [13942886.404401] BTRFS error (device dm-1): bdev /dev/mapper/K1JG82AD errs: wr 9, rd 0, flush 0, corrupt 0, gen 0 [13942886.427753] ------------[ cut here ]------------ [13942886.427801] WARNING: CPU: 2 PID: 3344 at /build/linux-iyqref/linux-4.9.110/fs/btrfs/extent-tree.c:6959 __btrfs_free_extent.isra.69+0x821/0xd40 [btrfs] [13942886.427803] BTRFS: Transaction aborted (error -5) [13942886.427804] Modules linked in: ses enclosure scsi_transport_sas uas usb_storage cpuid dm_crypt algif_skcipher af_alg fuse ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs xfs libcrc32c dm_mod snd_usb_audio snd_usbmidi_lib snd_rawmidi snd_seq_device ir_lirc_codec ir_rc5_decoder lirc_dev rc_hauppauge au8522_dig xc5000 tuner au8522_decoder au8522_common ip6t_REJECT nf_reject_ipv6 xt_hl ip6t_rt nf_conntrack_ipv6 nf_defrag_ipv6 iTCO_wdt iTCO_vendor_support intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul snd_hda_codec_hdmi ipt_REJECT ghash_clmulni_intel nf_reject_ipv4 intel_cstate arc4 intel_uncore snd_hda_codec_realtek intel_rapl_perf snd_hda_codec_generic pcspkr evdev serio_raw rtl8723ae btcoexist snd_hda_intel rtl8723_common rtl_pci rtlwifi [13942886.427884] snd_hda_codec i915 mac80211 snd_hda_core snd_hwdep au0828 btusb btrtl btbcm tveeprom btintel snd_pcm drm_kms_helper xt_limit dvb_core rc_core cfg80211 v4l2_common bluetooth videobuf2_vmalloc xt_tcpudp videobuf2_memops drm videobuf2_v4l2 rfkill snd_timer videobuf2_core snd videodev mei_me i2c_algo_bit soundcore sg media mei lpc_ich shpchp mfd_core xt_addrtype video ac button nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack ip6table_filter ip6_tables nf_conntrack_netbios_ns nf_conntrack_broadcast nf_nat_ftp nf_nat nf_conntrack_ftp nf_conntrack iptable_filter ip_tables x_tables autofs4 ext4 crc16 jbd2 fscrypto ecb mbcache btrfs crc32c_generic xor raid6_pq sd_mod hid_generic usbhid hid crc32c_intel aesni_intel aes_x86_64 glue_helper lrw gf128mul ablk_helper cryptd psmouse i2c_i801 i2c_smbus [13942886.427969] ahci libahci r8169 mii libata xhci_pci ehci_pci xhci_hcd ehci_hcd scsi_mod e1000e usbcore ptp usb_common pps_core fan thermal [13942886.427991] CPU: 2 PID: 3344 Comm: btrfs-transacti Not tainted 4.9.0-7-amd64 #1 Debian 4.9.110-3+deb9u1 [13942886.427993] Hardware name: CompuLab Intense-PC/Intense-PC, BIOS CR_2.2.0.346 X64 11/25/2012 [13942886.427996] 0000000000000000 ffffffffa5530694 ffffaf9c03443af8 0000000000000000 [13942886.428002] ffffffffa5278d6e 0000000008eb0000 ffffaf9c03443b50 00000000fffffffb [13942886.428007] ffff9114141aa8c0 ffff9117891e6000 0000000000000000 ffffffffa5278def [13942886.428012] Call Trace: [13942886.428022] [] ? dump_stack+0x5c/0x78 [13942886.428030] [] ? __warn+0xbe/0xe0 [13942886.428035] [] ? warn_slowpath_fmt+0x5f/0x80 [13942886.428067] [] ? __btrfs_free_extent.isra.69+0x821/0xd40 [btrfs] [13942886.428074] [] ? __set_page_dirty_nobuffers+0xa1/0x140 [13942886.428108] [] ? btrfs_merge_delayed_refs+0x69/0x570 [btrfs] [13942886.428136] [] ? __btrfs_run_delayed_refs+0xb9b/0x13a0 [btrfs] [13942886.428163] [] ? btrfs_run_delayed_refs+0x9d/0x2b0 [btrfs] [13942886.428193] [] ? commit_cowonly_roots+0x113/0x2e0 [btrfs] [13942886.428219] [] ? btrfs_run_delayed_refs+0x204/0x2b0 [btrfs] [13942886.428251] [] ? btrfs_qgroup_account_extents+0x85/0x180 [btrfs] [13942886.428280] [] ? btrfs_commit_transaction+0x4dc/0xa10 [btrfs] [13942886.428306] [] ? start_transaction+0x96/0x480 [btrfs] [13942886.428333] [] ? transaction_kthread+0x1dc/0x200 [btrfs] [13942886.428358] [] ? btrfs_cleanup_transaction+0x580/0x580 [btrfs] [13942886.428363] [] ? kthread+0xd9/0xf0 [13942886.428368] [] ? kthread_park+0x60/0x60 [13942886.428372] [] ? ret_from_fork+0x57/0x70 [13942886.428375] ---[ end trace 5167b44ab18fee6a ]--- [13942886.428379] BTRFS: error (device dm-1) in __btrfs_free_extent:6959: errno=-5 IO failure [13942886.430140] BTRFS info (device dm-1): forced readonly [13942886.430144] BTRFS: error (device dm-1) in btrfs_run_delayed_refs:2967: errno=-5 IO failure [13942886.431954] BTRFS warning (device dm-1): Skipping commit of aborted transaction. [13942886.431958] BTRFS: error (device dm-1) in cleanup_transaction:1850: errno=-5 IO failure [13942886.433953] BTRFS error (device dm-1): pending csums is 1048576 [13943151.748688] btrfs_dev_stat_print_on_error: 32 callbacks suppressed [13943151.748700] BTRFS error (device dm-1): bdev /dev/mapper/K1JGYJJD errs: wr 20, rd 2, flush 0, corrupt 0, gen 0 [13943151.750963] BTRFS error (device dm-1): bdev /dev/mapper/K1JG82AD errs: wr 20, rd 2, flush 0, corrupt 0, gen 0