Zyxel EX5601-T0 - USB disk errors

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

Uninstall uas driver and try to get around with usb-storage alone?

Damn, I thought I had to have that one! Problem solved, thanks a lot!

You should test same USB device on other machine and report to kernel bugzilla to block device from UAS in future.