After I unplug the USB and plug it back in, the USB gets recognised and mounted in the next reboot.
I grabbed the dmesg from when the USB unmount again, here it is.
[ 0.000000] Linux version 4.9.184 (buildbot@dbab1e23488d) (gcc version 7.3.0 (OpenWrt GCC 7.3.0 r7808-ef686b7292) ) #0 Thu Jun 27 12:18:52 2019
[ 0.000000] SoC: AR9 rev 1.2
[ 0.000000] bootconsole [early0] enabled
[ 0.000000] CPU0 revision is: 0001954c (MIPS 34Kc)
[ 0.000000] MIPS: machine is Netgear DGN3500
[ 0.000000] Determined physical RAM map:
[ 0.000000] memory: 04000000 @ 00000000 (usable)
[ 0.000000] Initrd not found or empty - disabling initrd
[ 0.000000] Primary instruction cache 32kB, VIPT, 4-way, linesize 32 bytes.
[ 0.000000] Primary data cache 16kB, 4-way, VIPT, no aliases, linesize 32 bytes
[ 0.000000] Zone ranges:
[ 0.000000] Normal [mem 0x0000000000000000-0x0000000003ffffff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000000000000-0x0000000003ffffff]
[ 0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x0000000003ffffff]
[ 0.000000] On node 0 totalpages: 16384
[ 0.000000] free_area_init_node: node 0, pgdat 804b52a4, node_mem_map 81007000
[ 0.000000] Normal zone: 128 pages used for memmap
[ 0.000000] Normal zone: 0 pages reserved
[ 0.000000] Normal zone: 16384 pages, LIFO batch:3
[ 0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768
[ 0.000000] pcpu-alloc: [0] 0
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 16256
[ 0.000000] Kernel command line: root= console=ttyLTQ0,115200
[ 0.000000] PID hash table entries: 256 (order: -2, 1024 bytes)
[ 0.000000] Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
[ 0.000000] Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
[ 0.000000] Writing ErrCtl register=00040080
[ 0.000000] Readback ErrCtl register=00040080
[ 0.000000] Memory: 58656K/65536K available (4019K kernel code, 172K rwdata, 624K rodata, 1184K init, 210K bss, 6880K reserved, 0K cma-reserved)
[ 0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] NR_IRQS:256
[ 0.000000] CPU Clock: 333MHz
[ 0.000000] clocksource: MIPS: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 11467562725 ns
[ 0.000016] sched_clock: 32 bits at 166MHz, resolution 6ns, wraps every 12884901885ns
[ 0.007964] Calibrating delay loop... 221.18 BogoMIPS (lpj=442368)
[ 0.050499] pid_max: default: 32768 minimum: 301
[ 0.055424] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.061932] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.077182] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
[ 0.086838] futex hash table entries: 256 (order: -1, 3072 bytes)
[ 0.093109] pinctrl core: initialized pinctrl subsystem
[ 0.100398] NET: Registered protocol family 16
[ 0.110566] pinctrl-xway 1e100b10.pinmux: Init done
[ 0.116879] dma-xway 1e104100.dma: Init done - hw rev: 6, ports: 5, channels: 20
[ 0.178445] PCI host bridge /fpi@10000000/pci@E105400 ranges:
[ 0.184135] MEM 0x0000000018000000..0x0000000019ffffff
[ 0.189377] IO 0x000000001ae00000..0x000000001affffff
[ 0.230718] usbcore: registered new interface driver usbfs
[ 0.236294] usbcore: registered new interface driver hub
[ 0.241658] usbcore: registered new device driver usb
[ 0.247125] PCI host bridge to bus 0000:00
[ 0.251158] pci_bus 0000:00: root bus resource [mem 0x18000000-0x19ffffff]
[ 0.258056] pci_bus 0000:00: root bus resource [io 0x1ae00000-0x1affffff]
[ 0.264999] pci_bus 0000:00: root bus resource [??? 0x00000000 flags 0x0]
[ 0.271856] pci_bus 0000:00: No busn resource found for root bus, will use [bus 00-ff]
[ 0.279929] pci 0000:00:0e.0: [168c:ff1d] type 00 class 0x020000
[ 0.279983] pci 0000:00:0e.0: reg 0x10: [mem 0x00000000-0x0000ffff]
[ 0.280530] pci_bus 0000:00: busn_res: [bus 00-ff] end is updated to 00
[ 0.280584] pci 0000:00:0e.0: BAR 0: assigned [mem 0x18000000-0x1800ffff]
[ 0.294518] clocksource: Switched to clocksource MIPS
[ 0.301461] NET: Registered protocol family 2
[ 0.307443] TCP established hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.314386] TCP bind hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.320754] TCP: Hash tables configured (established 1024 bind 1024)
[ 0.327302] UDP hash table entries: 256 (order: 0, 4096 bytes)
[ 0.333118] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
[ 0.339789] NET: Registered protocol family 1
[ 0.344175] PCI: CLS 0 bytes, default 32
[ 0.348666] gptu: totally 6 16-bit timers/counters
[ 0.353598] gptu: misc_register on minor 63
[ 0.357703] gptu: succeeded to request irq 126
[ 0.362180] gptu: succeeded to request irq 127
[ 0.366696] gptu: succeeded to request irq 128
[ 0.371207] gptu: succeeded to request irq 129
[ 0.375720] gptu: succeeded to request irq 130
[ 0.380234] gptu: succeeded to request irq 131
[ 0.386038] Crashlog allocated RAM at address 0x3f00000
[ 0.393925] workingset: timestamp_bits=30 max_order=14 bucket_order=0
[ 0.413939] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[ 0.419699] jffs2: version 2.2 (NAND) (SUMMARY) (LZMA) (RTIME) (CMODE_PRIORITY) (c) 2001-2006 Red Hat, Inc.
[ 0.450274] io scheduler noop registered
[ 0.454118] io scheduler deadline registered (default)
[ 0.460297] 1e100c00.serial: ttyLTQ0 at MMIO 0x1e100c00 (irq = 112, base_baud = 0) is a lantiq,asc
[ 0.469251] console [ttyLTQ0] enabled
[ 0.476499] bootconsole [early0] disabled
[ 0.486967] spi-lantiq-ssc 1e100800.spi: Lantiq SSC SPI controller (Rev 6, TXFS 8, RXFS 8, DMA 1)
[ 0.501035] m25p80 spi32766.4: mx25l12805d (16384 Kbytes)
[ 0.505094] 4 fixed-partitions partitions found on MTD device spi32766.4
[ 0.511657] Creating 4 MTD partitions on "spi32766.4":
[ 0.516758] 0x000000000000-0x000000010000 : "uboot"
[ 0.524447] 0x000000010000-0x000000020000 : "uboot-env"
[ 0.531521] 0x000000020000-0x000000030000 : "calibration"
[ 0.538808] 0x000000050000-0x000000ff0000 : "firmware"
[ 0.551482] random: fast init done
[ 0.618798] 2 uimage-fw partitions found on MTD device firmware
[ 0.623325] 0x000000050000-0x0000001d35af : "kernel"
[ 0.630954] 0x0000001d35af-0x000000ff0000 : "rootfs"
[ 0.637630] mtd: device 5 (rootfs) set to be root filesystem
[ 0.642961] 1 squashfs-split partitions found on MTD device rootfs
[ 0.648036] 0x000000460000-0x000000ff0000 : "rootfs_data"
[ 0.657220] Realtek RTL8366RB ethernet switch driver version 0.2.4
[ 0.662131] rtl8366rb rtl8366rb: using GPIO pins 491 (SDA) and 493 (SCK)
[ 0.668878] rtl8366rb rtl8366rb: RTL5937 ver. 3 chip found
[ 0.682681] rtl8366rb rtl8366rb: applying initvals from DTS
[ 0.785860] libphy: rtl8366rb: probed
[ 0.789094] libphy: Fixed MDIO Bus: probed
[ 0.794857] libphy: ltq_mii: probed
[ 0.796900] ltq_etop 1e180000.etop eth0 (uninitialized): no PHY found
[ 0.803426] etop: mdio probe failed
[ 0.808577] wdt 1f8803f0.watchdog: Init done
[ 0.816275] NET: Registered protocol family 10
[ 0.831198] NET: Registered protocol family 17
[ 0.834275] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[ 0.847129] 8021q: 802.1Q VLAN Support v1.8
[ 0.863907] VFS: Mounted root (squashfs filesystem) readonly on device 31:5.
[ 0.875645] Freeing unused kernel memory: 1184K
[ 0.878758] This architecture does not have kernel memory protection.
[ 1.621680] random: crng init done
[ 2.155265] init: Console is alive
[ 2.157641] init: - watchdog -
[ 3.838749] kmodloader: loading kernel modules from /etc/modules-boot.d/*
[ 4.138675] dwc2 1e101000.ifxhcd: DWC OTG Controller
[ 4.142263] dwc2 1e101000.ifxhcd: new USB bus registered, assigned bus number 1
[ 4.149568] dwc2 1e101000.ifxhcd: irq 62, io mem 0x00000000
[ 4.156782] hub 1-0:1.0: USB hub found
[ 4.159802] hub 1-0:1.0: 1 port detected
[ 4.164978] kmodloader: done loading kernel modules from /etc/modules-boot.d/*
[ 4.181493] init: - preinit -
[ 4.811779] usb 1-1: new high-speed USB device number 2 using dwc2
[ 9.026314] jffs2: notice: (385) jffs2_build_xattr_subsystem: complete building xattr subsystem, 0 of xdatum (0 unchecked, 0 orphan) and 0 of xref (0 dead, 0 orphan) found.
[ 9.072971] mount_root: loading kmods from internal overlay
[ 10.147189] kmodloader: loading kernel modules from /tmp/overlay/upper/etc/modules-boot.d/*
[ 11.136906] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 11.254057] SCSI subsystem initialized
[ 11.296068] ehci-platform: EHCI generic platform driver
[ 11.328866] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[ 11.336961] ohci-platform: OHCI generic platform driver
[ 11.390798] uhci_hcd: USB Universal Host Controller Interface driver
[ 11.550245] usb-storage 1-1:1.0: USB Mass Storage device detected
[ 11.556304] scsi host0: usb-storage 1-1:1.0
[ 11.560150] usbcore: registered new interface driver usb-storage
[ 11.578248] usbcore: registered new interface driver uas
[ 11.584831] kmodloader: done loading kernel modules from /tmp/overlay/upper/etc/modules-boot.d/*
[ 12.070960] block: attempting to load /tmp/jffs_cfg/upper/etc/config/fstab
[ 12.088206] block: extroot: not configured
[ 12.093248] mount_root: switching to jffs2 overlay
[ 12.149498] urandom-seed: Seeding with /etc/urandom.seed
[ 12.415002] procd: - early -
[ 12.416661] procd: - watchdog -
[ 12.582497] scsi 0:0:0:0: Direct-Access SanDisk Ultra Fit 1.00 PQ: 0 ANSI: 6
[ 12.592550] sd 0:0:0:0: [sda] 242614272 512-byte logical blocks: (124 GB/116 GiB)
[ 12.605814] sd 0:0:0:0: [sda] Write Protect is off
[ 12.609254] sd 0:0:0:0: [sda] Mode Sense: 43 00 00 00
[ 12.615577] sd 0:0:0:0: [sda] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
[ 12.648054] sda: sda1
[ 12.652975] sd 0:0:0:0: [sda] Attached SCSI removable disk
[ 13.348590] procd: - watchdog -
[ 13.351499] procd: - ubus -
[ 13.756394] procd: - init -
[ 16.058572] m25p80 spi32766.4: SPI transfer timed out
[ 16.094677] jffs2: error: (386) jffs2_get_inode_nodes: can not read 40 bytes from 0x005523e0, error code: -145.
[ 16.103344] jffs2: error: (386) jffs2_do_read_inode_internal: cannot read nodes for ino 137, returned error is -145
[ 16.113681] jffs2: Returned error for crccheck of ino #137. Expect badness...
[ 16.169120] EXT4-fs (sda1): recovery complete
[ 16.178635] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts:
[ 16.362390] kmodloader: loading kernel modules from /etc/modules.d/*
[ 16.434297] NET: Registered protocol family 8
[ 16.437283] NET: Registered protocol family 20
[ 17.058414] ntfs: driver 2.1.32 [Flags: R/O MODULE].
[ 17.086082] PPP generic driver version 2.4.2
[ 17.112955] ip6_tables: (C) 2000-2006 Netfilter Core Team
[ 17.152529] IFX MEI Version 5.00.00
[ 17.176488] Infineon CPE API Driver version: DSL CPE API V3.24.4.4
[ 17.343874] fuse init (API version 7.26)
[ 17.365613] Loading modules backported from Linux version wt-2017-11-01-0-gfe248fc2c180
[ 17.372229] Backport generated by backports.git v4.14-rc2-1-31-g86cf0e5d
[ 17.397284] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 17.420810] Infineon Technologies DEU driver version 2.0.0
[ 17.443107] IFX DEU DES initialized (multiblock).
[ 17.459085] IFX DEU AES initialized (multiblock).
[ 17.464083] IFX DEU ARC4 initialized (multiblock).
[ 17.474790] IFX DEU SHA1 initialized.
[ 17.477323] IFX DEU MD5 initialized.
[ 17.481013] IFX DEU SHA1_HMAC initialized.
[ 17.490805] IFX DEU MD5_HMAC initialized.
[ 17.508777] nf_conntrack version 0.5.0 (1024 buckets, 4096 max)
[ 17.696233] PCI: Enabling device 0000:00:0e.0 (0000 -> 0002)
[ 17.713533] owl-loader 0000:00:0e.0: fixup device configuration
[ 17.719844] pci 0000:00:0e.0: [168c:0029] type 00 class 0x028000
[ 17.719904] pci 0000:00:0e.0: reg 0x10: [mem 0x18000000-0x1800ffff]
[ 17.720028] pci 0000:00:0e.0: PME# supported from D0 D3hot
[ 17.720526] pci 0000:00:0e.0: BAR 0: assigned [mem 0x18000000-0x1800ffff]
[ 17.736008] NET: Registered protocol family 24
[ 17.749485] usbcore: registered new interface driver ums-alauda
[ 17.762837] usbcore: registered new interface driver ums-cypress
[ 17.779582] usbcore: registered new interface driver ums-datafab
[ 17.800821] usbcore: registered new interface driver ums-freecom
[ 17.816960] usbcore: registered new interface driver ums-isd200
[ 17.833143] usbcore: registered new interface driver ums-jumpshot
[ 17.852828] usbcore: registered new interface driver ums-karma
[ 17.865793] usbcore: registered new interface driver ums-sddr09
[ 17.881715] usbcore: registered new interface driver ums-sddr55
[ 17.900079] usbcore: registered new interface driver ums-usbat
[ 17.968351] xt_time: kernel timezone is -0000
[ 18.291373] PCI: Enabling device 0000:00:0e.0 (0000 -> 0002)
[ 18.320643] ath: EEPROM regdomain: 0x0
[ 18.320657] ath: EEPROM indicates default country code should be used
[ 18.320663] ath: doing EEPROM country->regdmn map search
[ 18.320681] ath: country maps to regdmn code: 0x3a
[ 18.320690] ath: Country alpha2 being used: US
[ 18.320696] ath: Regpair used: 0x3a
[ 18.336803] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht'
[ 18.342319] ieee80211 phy0: Atheros AR9280 Rev:2 mem=0xb8000000, irq=30
[ 18.399521] kmodloader: done loading kernel modules from /etc/modules.d/*
[ 27.630678] rtl8366rb rtl8366rb: applying initvals from DTS
[ 37.502386] device eth0 entered promiscuous mode
[ 37.513337] br-lan: port 1(eth0.1) entered blocking state
[ 37.517371] br-lan: port 1(eth0.1) entered disabled state
[ 37.523444] device eth0.1 entered promiscuous mode
[ 37.554710] br-lan: port 1(eth0.1) entered blocking state
[ 37.558719] br-lan: port 1(eth0.1) entered forwarding state
[ 37.564523] IPv6: ADDRCONF(NETDEV_UP): br-lan: link is not ready
[ 38.498888] IPv6: ADDRCONF(NETDEV_CHANGE): br-lan: link becomes ready
[ 57.166752] jffs2: Checked all inodes but still 0x80 bytes of unchecked space?
[ 57.172554] jffs2: No space for garbage collection. Aborting GC thread
[ 6255.496430] dwc2 1e101000.ifxhcd: dwc2_update_urb_state(): trimming xfer length
[ 6255.776303] usb 1-1: reset high-speed USB device number 2 using dwc2
[ 6288.476135] usb 1-1: reset high-speed USB device number 2 using dwc2
[ 6319.187356] usb 1-1: reset high-speed USB device number 2 using dwc2
[ 6329.684378] usb 1-1: reset high-speed USB device number 2 using dwc2
[ 6346.581962] usb 1-1: reset high-speed USB device number 2 using dwc2
[ 6346.982000] usb 1-1: reset high-speed USB device number 2 using dwc2
[ 6357.590202] usb 1-1: reset high-speed USB device number 2 using dwc2
[ 6357.803070] sd 0:0:0:0: Device offlined - not ready after error recovery
[ 6357.808487] sd 0:0:0:0: [sda] tag#0 UNKNOWN(0x2003) Result: hostbyte=0x05 driverbyte=0x00
[ 6357.816512] sd 0:0:0:0: [sda] tag#0 CDB: opcode=0x28 28 00 01 3d 58 20 00 00 f0 00
[ 6357.823990] blk_update_request: I/O error, dev sda, sector 20797472
[ 6357.830287] sd 0:0:0:0: rejecting I/O to offline device
[ 6357.835352] sd 0:0:0:0: killing request
[ 6357.839148] sd 0:0:0:0: rejecting I/O to offline device
[ 6357.844329] sd 0:0:0:0: [sda] killing request
[ 6357.848658] sd 0:0:0:0: rejecting I/O to offline device
[ 6357.853850] sd 0:0:0:0: rejecting I/O to offline device
[ 6357.859034] sd 0:0:0:0: rejecting I/O to offline device
[ 6357.864217] sd 0:0:0:0: rejecting I/O to offline device
[ 6357.869444] sd 0:0:0:0: rejecting I/O to offline device
[ 6357.874638] sd 0:0:0:0: rejecting I/O to offline device
[ 6357.879770] EXT4-fs warning (device sda1): ext4_end_bio:314: I/O error -5 writing to inode 2097201 (offset 0 size 0 starting block 2723760)
[ 6357.892194] Buffer I/O error on device sda1, logical block 2723503
[ 6357.898365] sd 0:0:0:0: rejecting I/O to offline device
[ 6357.903526] EXT4-fs warning (device sda1): ext4_end_bio:314: I/O error -5 writing to inode 2097201 (offset 0 size 0 starting block 2725540)
[ 6357.915948] Buffer I/O error on device sda1, logical block 2725283
[ 6357.922110] sd 0:0:0:0: rejecting I/O to offline device
[ 6357.927285] EXT4-fs warning (device sda1): ext4_end_bio:314: I/O error -5 writing to inode 2097201 (offset 0 size 0 starting block 2871460)
[ 6357.939708] Buffer I/O error on device sda1, logical block 2871203
[ 6357.946535] sd 0:0:0:0: [sda] UNKNOWN(0x2003) Result: hostbyte=0x01 driverbyte=0x00
[ 6357.953551] sd 0:0:0:0: [sda] CDB: opcode=0x28 28 00 01 3d 59 10 00 00 f0 00
[ 6357.960511] blk_update_request: I/O error, dev sda, sector 20797712
[ 6357.974856] Aborting journal on device sda1-8.
[ 6357.977982] sd 0:0:0:0: rejecting I/O to offline device
[ 6357.983153] JBD2: Error -5 detected when updating journal superblock for sda1-8.
[ 6357.990930] sd 0:0:0:0: rejecting I/O to offline device
[ 6358.001648] EXT4-fs (sda1): Delayed block allocation failed for inode 2097201 at logical offset 194832 with max blocks 44 with error 30
[ 6358.012406] EXT4-fs (sda1): This should not happen!! Data will be lost
[ 6358.012406]
[ 6358.020319] EXT4-fs error (device sda1) in ext4_writepages:2803: IO failure
[ 6358.027488] sd 0:0:0:0: rejecting I/O to offline device
[ 6358.032426] sd 0:0:0:0: rejecting I/O to offline device
[ 6358.037568] EXT4-fs warning (device sda1): ext4_end_bio:314: I/O error -5 writing to inode 2097201 (offset 297615360 size 81920 starting block 2704616)
[ 6358.051023] Buffer I/O error on device sda1, logical block 2704340
[ 6358.057163] Buffer I/O error on device sda1, logical block 2704341
[ 6358.063286] Buffer I/O error on device sda1, logical block 2704342
[ 6358.069421] Buffer I/O error on device sda1, logical block 2704343
[ 6358.075555] Buffer I/O error on device sda1, logical block 2704344
[ 6358.081689] Buffer I/O error on device sda1, logical block 2704345
[ 6358.087824] Buffer I/O error on device sda1, logical block 2704346
[ 6358.094025] sd 0:0:0:0: rejecting I/O to offline device
[ 6358.099167] sd 0:0:0:0: rejecting I/O to offline device
[ 6358.104347] EXT4-fs warning (device sda1): ext4_end_bio:314: I/O error -5 writing to inode 2097201 (offset 376111104 size 143360 starting block 2723795)
[ 6358.118011] EXT4-fs warning (device sda1): ext4_end_bio:314: I/O error -5 writing to inode 2097201 (offset 376455168 size 192512 starting block 2723796)
[ 6358.131486] sd 0:0:0:0: rejecting I/O to offline device
[ 6358.136666] sd 0:0:0:0: rejecting I/O to offline device
[ 6358.141845] EXT4-fs warning (device sda1): ext4_end_bio:314: I/O error -5 writing to inode 2097201 (offset 376455168 size 192512 starting block 2723891)
[ 6358.155564] EXT4-fs warning (device sda1): ext4_end_bio:314: I/O error -5 writing to inode 2097201 (offset 376733696 size 98304 starting block 2723892)
[ 6358.168898] sd 0:0:0:0: rejecting I/O to offline device
[ 6358.174075] EXT4-fs warning (device sda1): ext4_end_bio:314: I/O error -5 writing to inode 2097201 (offset 376733696 size 98304 starting block 2723936)
[ 6358.187627] sd 0:0:0:0: rejecting I/O to offline device
[ 6358.192735] EXT4-fs warning (device sda1): ext4_end_bio:314: I/O error -5 writing to inode 2097201 (offset 381370368 size 28672 starting block 2725051)
[ 6358.206250] sd 0:0:0:0: rejecting I/O to offline device
[ 6358.211436] sd 0:0:0:0: rejecting I/O to offline device
[ 6358.216608] sd 0:0:0:0: rejecting I/O to offline device
[ 6358.240386] sd 0:0:0:0: rejecting I/O to offline device
[ 6358.244398] JBD2: Detected IO errors while flushing file data on sda1-8
[ 6358.254292] sd 0:0:0:0: rejecting I/O to offline device
[ 6359.024476] EXT4-fs (sda1): previous I/O error to superblock detected
[ 6359.029630] sd 0:0:0:0: rejecting I/O to offline device
[ 6359.034773] EXT4-fs error (device sda1): ext4_journal_check_start:56: Detected aborted journal
[ 6359.043217] EXT4-fs (sda1): Remounting filesystem read-only
[ 6359.048823] EXT4-fs (sda1): previous I/O error to superblock detected
[ 6359.055224] sd 0:0:0:0: rejecting I/O to offline device
[ 6360.238621] sd 0:0:0:0: rejecting I/O to offline device
[ 6360.242563] EXT4-fs error (device sda1): ext4_find_entry:1471: inode #4718595: comm transmission-da: reading directory lblock 0
[ 6360.253883] EXT4-fs (sda1): previous I/O error to superblock detected
[ 6360.260293] sd 0:0:0:0: rejecting I/O to offline device
[ 6377.488703] sd 0:0:0:0: rejecting I/O to offline device
[ 6377.492676] EXT4-fs error (device sda1): ext4_find_entry:1471: inode #4718595: comm transmission-da: reading directory lblock 0
[ 6377.503974] EXT4-fs (sda1): previous I/O error to superblock detected
[ 6377.510383] sd 0:0:0:0: rejecting I/O to offline device
[ 6414.831211] sd 0:0:0:0: rejecting I/O to offline device
[ 6414.835226] sd 0:0:0:0: rejecting I/O to offline device
[ 6427.978573] sd 0:0:0:0: rejecting I/O to offline device
[ 6429.068044] sd 0:0:0:0: rejecting I/O to offline device
[ 6431.250695] sd 0:0:0:0: rejecting I/O to offline device
[ 6442.985862] sd 0:0:0:0: rejecting I/O to offline device
[ 6443.548875] sd 0:0:0:0: rejecting I/O to offline device
[ 6445.211897] sd 0:0:0:0: rejecting I/O to offline device
[ 6457.182114] sd 0:0:0:0: rejecting I/O to offline device
[ 6461.099814] sd 0:0:0:0: rejecting I/O to offline device
[ 6472.935965] sd 0:0:0:0: rejecting I/O to offline device
[ 6477.703117] sd 0:0:0:0: rejecting I/O to offline device
[ 6486.487661] sd 0:0:0:0: rejecting I/O to offline device
[ 6500.750906] sd 0:0:0:0: rejecting I/O to offline device
[ 6517.041884] sd 0:0:0:0: rejecting I/O to offline device
[ 6542.477911] sd 0:0:0:0: rejecting I/O to offline device
[ 6542.481873] EXT4-fs error (device sda1): ext4_find_entry:1471: inode #4718595: comm transmission-da: reading directory lblock 0
[ 6542.493199] EXT4-fs (sda1): previous I/O error to superblock detected
[ 6542.499614] sd 0:0:0:0: rejecting I/O to offline device
[ 6542.506690] sd 0:0:0:0: rejecting I/O to offline device
[ 6542.510656] EXT4-fs error (device sda1): ext4_find_entry:1471: inode #4718593: comm transmission-da: reading directory lblock 0
[ 6542.521958] EXT4-fs (sda1): previous I/O error to superblock detected
[ 0] sd 0:0:0:0: rejecting I/O to offline device
[ 6542.574094] sd 0:0:0:0: rejecting I/O to offline device
[ 6542.578052] EXT4-fs error (device sda1): ext4_find_entry:1471: inode #4718595: comm transmission-da: reading directory lblock 0
[ 6542.589361] EXT4-fs (sda1): previous I/O error to superblock detected
Sorry I'm not too sure what all those error means.
Any insight