So dmesg on the router reports like:
[ 1316.477484] scsi 1:0:0:0: Direct-Access WD My Passport 25E1 1019 PQ: 0 ANSI: 6
[ 1316.478837] scsi 1:0:0:1: Enclosure WD SES Device 1019 PQ: 0 ANSI: 6
[ 1316.486407] sd 1:0:0:0: [sdb] Spinning up disk...
[ 1317.513839] .
[ 1318.563864] .
[ 1319.594338] .
[ 1319.596901] not responding...
[ 1395.910585] blk_partition_remap: fail for partition 1
[ 1395.910629] EXT4-fs error: 74 callbacks suppressed
[ 1395.910640] EXT4-fs error (device sda1): ext4_find_entry:1455: inode #2: comm smbd: reading directory lblock 0
[ 1395.919418] blk_partition_remap: fail for partition 1
[ 1395.929384] EXT4-fs error (device sda1): ext4_find_entry:1455: inode #2: comm smbd: reading directory lblock 0
[ 1395.934592] blk_partition_remap: fail for partition 1
[ 1395.944444] EXT4-fs warning: 18 callbacks suppressed
[ 1395.944455] EXT4-fs warning (device sda1): htree_dirblock_to_tree:994: inode #2: lblock 0: comm smbd: error -5 reading directory block
[ 1395.954746] blk_partition_remap: fail for partition 1
[ 1395.966414] EXT4-fs error (device sda1): ext4_find_entry:1455: inode #2: comm smbd: reading directory lblock 0
[ 1499.633195] sd 1:0:0:0: timing out command, waited 180s
root@OpenWrt:~#
or
[ 1211.674186] .
[ 1211.675787] ready
[ 1211.688045] sd 0:0:0:0: [sda] 3906963456 512-byte logical blocks: (2.00 TB/1.82 TiB)
[ 1211.695817] sd 0:0:0:0: [sda] Write Protect is off
[ 1211.695857] sd 0:0:0:0: [sda] Mode Sense: 47 00 10 08
[ 1211.696336] sd 0:0:0:0: [sda] No Caching mode page found
[ 1211.699575] sd 0:0:0:0: [sda] Assuming drive cache: write through
[ 1211.802331] sda: sda1
[ 1211.805671] sd 0:0:0:0: [sda] Attached SCSI disk
[ 1234.827550] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts:
[ 1313.284823] usb 2-1: USB disconnect, device number 12
[ 1313.323903] sd 0:0:0:0: [sda] tag#0 UNKNOWN(0x2003) Result: hostbyte=0x01 driverbyte=0x00
[ 1313.323955] sd 0:0:0:0: [sda] tag#0 CDB: opcode=0x28 28 00 d1 04 08 08 00 00 08 00
[ 1313.331069] print_req_error: I/O error, dev sda, sector 3506702344
[ 1313.356240] JBD2: Error -5 detected when updating journal superblock for sda1-8.
[ 1313.356287] Aborting journal on device sda1-8.
[ 1313.363311] JBD2: Error -5 detected when updating journal superblock for sda1-8.
[ 1313.372514] blk_partition_remap: fail for partition 1
[ 1313.374592] EXT4-fs error (device sda1): ext4_find_entry:1455: inode #2: comm smbd: reading directory lblock 0
[ 1313.379557] blk_partition_remap: fail for partition 1
[ 1313.389475] EXT4-fs error (device sda1): ext4_find_entry:1455: inode #2: comm smbd: reading directory lblock 0
[ 1313.394718] blk_partition_remap: fail for partition 1
[ 1313.404468] EXT4-fs warning (device sda1): htree_dirblock_to_tree:994: inode #2: lblock 0: comm smbd: error -5 reading directory block
[ 1313.409746] blk_partition_remap: fail for partition 1
[ 1313.421630] EXT4-fs error (device sda1): ext4_find_entry:1455: inode #2: comm smbd: reading directory lblock 0
[ 1313.427309] blk_partition_remap: fail for partition 1
[ 1313.436768] EXT4-fs error (device sda1): ext4_find_entry:1455: inode #109576194: comm smbd: reading directory lblock 0
[ 1313.441714] blk_partition_remap: fail for partition 1
[ 1313.452252] EXT4-fs error (device sda1): ext4_find_entry:1455: inode #109576194: comm smbd: reading directory lblock 0
[ 1313.457503] blk_partition_remap: fail for partition 1
[ 1313.467974] EXT4-fs warning (device sda1): htree_dirblock_to_tree:994: inode #109576194: lblock 0: comm smbd: error -5 reading directory block
[ 1313.473069] EXT4-fs error (device sda1): ext4_journal_check_start:61: Detected aborted journal
[ 1313.485826] EXT4-fs (sda1): Remounting filesystem read-only
[ 1313.494398] ------------[ cut here ]------------
[ 1313.499834] WARNING: CPU: 2 PID: 10966 at fs/fs-writeback.c:2209 0xc040e600
[ 1313.504676] bdi-block not registered
[ 1313.511318] Modules linked in: pppoe ppp_async ath10k_pci ath10k_core ath pppox ppp_generic nf_conntrack_ipv6 mac80211 iptable_nat ipt_REJECT ipt_MASQUERADE cfg80211 xt_time xt_tcpudp xt_tcpmss xt_statistic xt_state xt_recent xt_nat xt_multiport xt_mark xt_mac xt_limit xt_length xt_hl xt_helper xt_ecn xt_dscp xt_conntrack xt_connmark xt_connlimit xt_connbytes xt_comment xt_TCPMSS xt_REDIRECT xt_LOG xt_HL xt_FLOWOFFLOAD xt_DSCP xt_CT xt_CLASSIFY ums_usbat ums_sddr55 ums_sddr09 ums_karma ums_jumpshot ums_isd200 ums_freecom ums_datafab ums_cypress ums_alauda slhc nf_reject_ipv4 nf_nat_redirect nf_nat_masquerade_ipv4 nf_conntrack_ipv4 nf_nat_ipv4 nf_nat nf_log_ipv4 nf_flow_table_hw nf_flow_table nf_defrag_ipv6 nf_defrag_ipv4 nf_conntrack_rtcache iptable_raw iptable_mangle iptable_filter ipt_ECN ip_tables
[ 1313.564587] hwmon crc_ccitt compat fuse sch_cake nf_conntrack sch_tbf sch_ingress sch_htb sch_hfsc em_u32 cls_u32 cls_tcindex cls_route cls_matchall cls_fw cls_flow cls_basic act_skbedit act_mirred ledtrig_usbport nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables ip6t_REJECT x_tables nf_reject_ipv6 ifb ntfs cifs md5 md4 uas usb_storage ohci_pci ohci_platform ohci_hcd ehci_pci ehci_platform sd_mod scsi_mod ehci_hcd f2fs ext4 mbcache jbd2 exfat crc32c_generic crc32_generic leds_gpio xhci_plat_hcd xhci_pci xhci_hcd dwc3 dwc3_of_simple gpio_button_hotplug
[ 1313.615319] CPU: 2 PID: 10966 Comm: smbd Not tainted 4.14.180 #0
[ 1313.636410] Hardware name: Generic DT based system
[ 1313.642495] Function entered at [<c030e2a8>] from [<c030a7a8>]
[ 1313.647212] Function entered at [<c030a7a8>] from [<c0740174>]
[ 1313.653019] Function entered at [<c0740174>] from [<c031db58>]
[ 1313.658829] Function entered at [<c031db58>] from [<c031dbac>]
[ 1313.665228] Function entered at [<c031dbac>] from [<c040e600>]
[ 1313.670477] Function entered at [<c040e600>] from [<c040087c>]
[ 1313.676280] Function entered at [<c040087c>] from [<c0402684>]
[ 1313.682091] Function entered at [<c0402684>] from [<c03f8480>]
[ 1313.687910] Function entered at [<c03f8480>] from [<c03f8be4>]
[ 1313.693735] Function entered at [<c03f8be4>] from [<c03073c0>]
[ 1313.700293] ---[ end trace 36f1a4cd21ddd23b ]---
[ 1313.705447] blk_partition_remap: fail for partition 1
[ 1313.710472] EXT4-fs error (device sda1): ext4_find_entry:1455: inode #109576194: comm smbd: reading directory lblock 0
[ 1313.716481] blk_partition_remap: fail for partition 1
[ 1313.725687] EXT4-fs error (device sda1): ext4_find_entry:1455: inode #2: comm smbd: reading directory lblock 0
[ 1313.734079] blk_partition_remap: fail for partition 1
[ 1313.740697] EXT4-fs error (device sda1): ext4_find_entry:1455: inode #2: comm smbd: reading directory lblock 0
[ 1313.746391] blk_partition_remap: fail for partition 1
[ 1313.755712] EXT4-fs warning (device sda1): htree_dirblock_to_tree:994: inode #2: lblock 0: comm smbd: error -5 reading directory block
[ 1313.761066] blk_partition_remap: fail for partition 1
[ 1313.772812] EXT4-fs error (device sda1): ext4_find_entry:1455: inode #2: comm smbd: reading directory lblock 0
[ 1313.786601] blk_partition_remap: fail for partition 1
[ 1313.787745] EXT4-fs error (device sda1): ext4_find_entry:1455: inode #2: comm smbd: reading directory lblock 0
[ 1313.793549] blk_partition_remap: fail for partition 1
[ 1313.803624] blk_partition_remap: fail for partition 1
[ 1313.808349] EXT4-fs warning (device sda1): htree_dirblock_to_tree:994: inode #2: lblock 0: comm smbd: error -5 reading directory block
[ 1313.813385] blk_partition_remap: fail for partition 1
[ 1313.830735] blk_partition_remap: fail for partition 1
[ 1313.830924] blk_partition_remap: fail for partition 1
[ 1313.836166] blk_partition_remap: fail for partition 1
[ 1313.840109] EXT4-fs warning (device sda1): htree_dirblock_to_tree:994: inode #2: lblock 0: comm smbd: error -5 reading directory block
[ 1313.845558] blk_partition_remap: fail for partition 1
[ 1313.864222] blk_partition_remap: fail for partition 1
[ 1313.864311] blk_partition_remap: fail for partition 1
[ 1313.868816] blk_partition_remap: fail for partition 1
[ 1313.873500] EXT4-fs warning (device sda1): htree_dirblock_to_tree:994: inode #2: lblock 0: comm smbd: error -5 reading directory block
[ 1313.878843] blk_partition_remap: fail for partition 1
[ 1313.895412] blk_partition_remap: fail for partition 1
[ 1313.895512] blk_partition_remap: fail for partition 1
[ 1313.900573] blk_partition_remap: fail for partition 1
[ 1313.905795] EXT4-fs warning (device sda1): htree_dirblock_to_tree:994: inode #2: lblock 0: comm smbd: error -5 reading directory block
[ 1313.912042] blk_partition_remap: fail for partition 1
[ 1313.929619] blk_partition_remap: fail for partition 1
[ 1313.929707] blk_partition_remap: fail for partition 1
[ 1313.934089] blk_partition_remap: fail for partition 1
[ 1313.939012] EXT4-fs warning (device sda1): htree_dirblock_to_tree:994: inode #2: lblock 0: comm smbd: error -5 reading directory block
[ 1313.945346] blk_partition_remap: fail for partition 1
[ 1313.962120] blk_partition_remap: fail for partition 1
[ 1313.962206] blk_partition_remap: fail for partition 1
[ 1313.966512] blk_partition_remap: fail for partition 1
[ 1313.971909] EXT4-fs warning (device sda1): htree_dirblock_to_tree:994: inode #2: lblock 0: comm smbd: error -5 reading directory block
[ 1313.977759] blk_partition_remap: fail for partition 1
[ 1313.996911] blk_partition_remap: fail for partition 1
[ 1313.996995] blk_partition_remap: fail for partition 1
[ 1314.001268] blk_partition_remap: fail for partition 1
[ 1314.006878] EXT4-fs warning (device sda1): htree_dirblock_to_tree:994: inode #2: lblock 0: comm smbd: error -5 reading directory block
[ 1314.012165] blk_partition_remap: fail for partition 1
[ 1314.029746] blk_partition_remap: fail for partition 1
[ 1314.029855] blk_partition_remap: fail for partition 1
[ 1314.035057] blk_partition_remap: fail for partition 1
[ 1314.039830] blk_partition_remap: fail for partition 1
[ 1314.049539] blk_partition_remap: fail for partition 1
[ 1314.049622] blk_partition_remap: fail for partition 1
[ 1314.055970] blk_partition_remap: fail for partition 1
[ 1314.059288] blk_partition_remap: fail for partition 1
[ 1314.069975] blk_partition_remap: fail for partition 1
[ 1314.070119] blk_partition_remap: fail for partition 1
[ 1314.075899] blk_partition_remap: fail for partition 1
[ 1314.079281] blk_partition_remap: fail for partition 1
[ 1314.087987] blk_partition_remap: fail for partition 1
[ 1314.089214] blk_partition_remap: fail for partition 1
[ 1314.094496] blk_partition_remap: fail for partition 1
[ 1314.099329] blk_partition_remap: fail for partition 1
[ 1314.110183] blk_partition_remap: fail for partition 1
[ 1314.110293] blk_partition_remap: fail for partition 1
[ 1314.114637] blk_partition_remap: fail for partition 1
[ 1314.119456] blk_partition_remap: fail for partition 1
[ 1314.131252] blk_partition_remap: fail for partition 1
[ 1314.131336] blk_partition_remap: fail for partition 1
[ 1314.137547] blk_partition_remap: fail for partition 1
[ 1314.140406] blk_partition_remap: fail for partition 1
[ 1314.151333] blk_partition_remap: fail for partition 1
[ 1314.151414] blk_partition_remap: fail for partition 1
[ 1314.155766] blk_partition_remap: fail for partition 1
[ 1314.160526] blk_partition_remap: fail for partition 1
[ 1314.177932] blk_partition_remap: fail for partition 1
[ 1314.178027] blk_partition_remap: fail for partition 1
[ 1314.182945] blk_partition_remap: fail for partition 1
[ 1314.187699] blk_partition_remap: fail for partition 1
[ 1314.196126] blk_partition_remap: fail for partition 1
[ 1314.197143] blk_partition_remap: fail for partition 1
[ 1314.202959] blk_partition_remap: fail for partition 1
[ 1314.208571] blk_partition_remap: fail for partition 1
[ 1314.217287] blk_partition_remap: fail for partition 1
[ 1314.217386] blk_partition_remap: fail for partition 1
[ 1314.222649] blk_partition_remap: fail for partition 1
[ 1314.228062] blk_partition_remap: fail for partition 1
[ 1314.238029] blk_partition_remap: fail for partition 1
[ 1314.238127] blk_partition_remap: fail for partition 1
[ 1314.242849] blk_partition_remap: fail for partition 1
[ 1314.244051] usb usb1-port1: Cannot enable. Maybe the USB cable is bad?
[ 1314.248025] blk_partition_remap: fail for partition 1
[ 1314.270249] blk_partition_remap: fail for partition 1
[ 1314.270344] blk_partition_remap: fail for partition 1
[ 1314.274930] blk_partition_remap: fail for partition 1
[ 1314.279416] blk_partition_remap: fail for partition 1
[ 1314.294104] blk_partition_remap: fail for partition 1
[ 1314.294200] blk_partition_remap: fail for partition 1
[ 1314.298477] blk_partition_remap: fail for partition 1
[ 1314.303496] blk_partition_remap: fail for partition 1
[ 1314.314510] blk_partition_remap: fail for partition 1
[ 1314.314589] blk_partition_remap: fail for partition 1
[ 1314.319071] blk_partition_remap: fail for partition 1
[ 1314.325256] blk_partition_remap: fail for partition 1
[ 1314.334058] blk_partition_remap: fail for partition 1
[ 1314.334139] blk_partition_remap: fail for partition 1
[ 1314.339053] blk_partition_remap: fail for partition 1
[ 1314.344173] blk_partition_remap: fail for partition 1
[ 1314.353437] blk_partition_remap: fail for partition 1
[ 1314.353896] blk_partition_remap: fail for partition 1
[ 1314.358948] blk_partition_remap: fail for partition 1
[ 1314.364054] blk_partition_remap: fail for partition 1
[ 1314.373878] blk_partition_remap: fail for partition 1
[ 1314.373992] blk_partition_remap: fail for partition 1
[ 1314.379179] blk_partition_remap: fail for partition 1
[ 1314.384213] blk_partition_remap: fail for partition 1
[ 1314.394265] blk_partition_remap: fail for partition 1
[ 1314.394346] blk_partition_remap: fail for partition 1
[ 1314.399198] blk_partition_remap: fail for partition 1
[ 1314.404353] blk_partition_remap: fail for partition 1
[ 1315.273884] usb 1-1: new high-speed USB device number 16 using xhci-hcd
[ 1315.456916] usb-storage 1-1:1.0: USB Mass Storage device detected
[ 1315.457765] scsi host1: usb-storage 1-1:1.0
[ 1316.477484] scsi 1:0:0:0: Direct-Access WD My Passport 25E1 1019 PQ: 0 ANSI: 6
[ 1316.478837] scsi 1:0:0:1: Enclosure WD SES Device 1019 PQ: 0 ANSI: 6
[ 1316.486407] sd 1:0:0:0: [sdb] Spinning up disk...
[ 1317.513839] .
[ 1318.563864] .
[ 1319.594338] .
[ 1319.596901] not responding...
Yet when I hook it up to my Ubuntu 18.04 laptop it mounts and shows up just fine and dmesg doesn't make any complaints. Ideas?
Finally when I ran a e2fsk / fsck on the drive (when hooked up to ubuntu) it worked fine without issues:
[I] ~ sudo fsck -v /dev/sdb1
fsck from util-linux 2.31.1
e2fsck 1.44.1 (24-Mar-2018)
HardDriveArooni: clean, 52/122093568 files, 9380070/488369920 blocks