Hi everyone,
First of all, thanks this great knowledge around here. Starting a complete noob, was able to install openwrt on my Zyxel EX5601-T0 successfully due to this community.
Everything seems ok apart from errors I see in the log, regarding the Crucial X6 1TB I connected to the USB port of the router:
Thu Mar 5 17:47:00 2026 kern.info kernel: [ 150.721252] scsi host0: uas_eh_device_reset_handler start
Thu Mar 5 17:47:00 2026 kern.info kernel: [ 150.881450] usb 2-1: reset SuperSpeed USB device number 2 using xhci-mtk
Thu Mar 5 17:47:00 2026 kern.info kernel: [ 150.912268] scsi host0: uas_eh_device_reset_handler success
Thu Mar 5 17:47:00 2026 kern.info kernel: [ 150.917935] sd 0:0:0:0: [sda] tag#11 UNKNOWN(0x2003) Result: hostbyte=0x07 driverbyte=DRIVER_OK cmd_age=35s
Thu Mar 5 17:47:00 2026 kern.info kernel: [ 150.927668] sd 0:0:0:0: [sda] tag#11 CDB: opcode=0x28 28 00 00 44 fa 48 00 00 10 00
Thu Mar 5 17:47:00 2026 kern.err kernel: [ 150.935333] I/O error, dev sda, sector 4520520 op 0x0:(READ) flags 0x80700 phys_seg 2 prio class 2
Thu Mar 5 17:47:00 2026 kern.info kernel: [ 150.944336] sd 0:0:0:0: [sda] tag#10 UNKNOWN(0x2003) Result: hostbyte=0x07 driverbyte=DRIVER_OK cmd_age=35s
Thu Mar 5 17:47:00 2026 kern.info kernel: [ 150.954076] sd 0:0:0:0: [sda] tag#10 CDB: opcode=0x28 28 00 00 04 4b 80 00 01 00 00
Thu Mar 5 17:47:00 2026 kern.err kernel: [ 150.961720] I/O error, dev sda, sector 281472 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
Thu Mar 5 17:47:00 2026 kern.info kernel: [ 150.970696] sd 0:0:0:0: [sda] tag#9 UNKNOWN(0x2003) Result: hostbyte=0x07 driverbyte=DRIVER_OK cmd_age=35s
Thu Mar 5 17:47:00 2026 kern.info kernel: [ 150.980331] sd 0:0:0:0: [sda] tag#9 CDB: opcode=0x28 28 00 00 85 46 28 00 01 00 00
Thu Mar 5 17:47:00 2026 kern.err kernel: [ 150.987881] I/O error, dev sda, sector 8734248 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
Thu Mar 5 17:47:00 2026 kern.info kernel: [ 150.996923] sd 0:0:0:0: [sda] tag#8 UNKNOWN(0x2003) Result: hostbyte=0x07 driverbyte=DRIVER_OK cmd_age=35s
Thu Mar 5 17:47:00 2026 kern.info kernel: [ 151.006558] sd 0:0:0:0: [sda] tag#8 CDB: opcode=0x28 28 00 00 85 45 28 00 01 00 00
Thu Mar 5 17:47:00 2026 kern.err kernel: [ 151.014124] I/O error, dev sda, sector 8733992 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
Thu Mar 5 17:47:00 2026 kern.err kernel: [ 151.097293] usb 2-1: cmd cmplt err -71
Thu Mar 5 17:47:00 2026 kern.err kernel: [ 151.101076] usb 2-1: cmd cmplt err -71
Thu Mar 5 17:47:00 2026 kern.err kernel: [ 151.104855] usb 2-1: cmd cmplt err -71
Thu Mar 5 17:47:24 2026 daemon.warn dnsmasq[1]: Maximum number of concurrent DNS queries reached (max: 150)
Thu Mar 5 17:47:30 2026 daemon.warn dnsmasq[1]: Maximum number of concurrent DNS queries reached (max: 150)
Thu Mar 5 17:47:31 2026 kern.info kernel: [ 181.657021] sd 0:0:0:0: [sda] tag#11 uas_eh_abort_handler 0 uas-tag 3 inflight: CMD IN
Thu Mar 5 17:47:31 2026 kern.info kernel: [ 181.665023] sd 0:0:0:0: [sda] tag#11 CDB: opcode=0x28 28 00 00 04 4b e8 00 00 08 00
Thu Mar 5 17:47:31 2026 kern.info kernel: [ 181.672757] sd 0:0:0:0: [sda] tag#8 uas_eh_abort_handler 0 uas-tag 1 inflight: CMD IN
Thu Mar 5 17:47:31 2026 kern.info kernel: [ 181.680657] sd 0:0:0:0: [sda] tag#8 CDB: opcode=0x28 28 00 00 85 45 e8 00 00 08 00
Thu Mar 5 17:47:31 2026 kern.info kernel: [ 181.746966] scsi host0: uas_eh_device_reset_handler start
Thu Mar 5 17:47:31 2026 kern.info kernel: [ 181.897022] usb 2-1: reset SuperSpeed USB device number 2 using xhci-mtk
Thu Mar 5 17:47:31 2026 kern.info kernel: [ 181.927848] scsi host0: uas_eh_device_reset_handler success
Thu Mar 5 17:47:31 2026 kern.err kernel: [ 182.017758] usb 2-1: cmd cmplt err -71
Errors like this. Didn't find much info I could use to solve this. Can you please help?
Is this the case I need to buy a self powered hub to connect to the router and then to the crucial disk? Wanted to be sure before spending money on a hub just for this purpose.
Many thanks in advance!!
Luis