Hi @chdrsto -
I think I have the same issue as you. Check out my syslog below.
Did you find a solution? What’s your setup? Did you disable UAS or do the firmware upgrade?
Jan 21 11:31:31 nastie kernel: [ 539.360782] sda: sda1
Jan 21 11:31:39 nastie kernel: [ 547.260707] sda: sda1
Jan 21 11:31:59 nastie kernel: [ 567.642104] sda: sda1
Jan 21 11:32:02 nastie kernel: [ 570.508842] sda: sda1
Jan 21 11:32:16 nastie kernel: [ 584.259362] sda:
Jan 21 11:32:16 nastie kernel: [ 584.267564] sda:
Jan 21 11:32:19 nastie kernel: [ 586.956767] sda:
Jan 21 11:33:34 nastie kernel: [ 662.251004] sda: sda1
Jan 21 11:33:37 nastie kernel: [ 665.057616] sda: sda1
Jan 21 11:34:09 nastie kernel: [ 697.210012] sda: sda1
Jan 21 11:34:09 nastie kernel: [ 697.217648] sda: sda1
Jan 21 11:34:11 nastie kernel: [ 698.882504] sda: sda1
Jan 21 11:34:14 nastie kernel: [ 702.195019] sda: sda1
Jan 21 11:34:32 nastie kernel: [ 720.134479] sdb: sdb1
Jan 21 11:34:34 nastie kernel: [ 722.517976] sdb: sdb1
Jan 21 11:34:41 nastie kernel: [ 728.927955] sdb: sdb1
Jan 21 11:35:18 nastie kernel: [ 766.360959] sdc: sdc1
Jan 21 11:35:33 nastie kernel: [ 781.518405] sdd: sdd1
Jan 21 11:35:35 nastie kernel: [ 783.299513] sda: sda1
Jan 21 11:35:40 nastie kernel: [ 787.808349] sda: sda1
Jan 21 11:35:42 nastie kernel: [ 790.342196] sdb: sdb1
Jan 21 11:35:44 nastie kernel: [ 792.482067] sdb: sdb1
Jan 21 11:35:45 nastie kernel: [ 793.475912] sdc: sdc1
Jan 21 11:35:48 nastie kernel: [ 796.115809] sdc: sdc1
Jan 21 11:35:49 nastie kernel: [ 797.612291] sdd: sdd1
Jan 21 11:36:14 nastie kernel: [ 821.992856] sdd: sdd1
Jan 21 11:37:21 nastie kernel: [ 889.124444] raid6: neonx8 gen() 4349 MB/s
Jan 21 11:37:21 nastie kernel: [ 889.192440] raid6: neonx8 xor() 3845 MB/s
Jan 21 11:37:21 nastie kernel: [ 889.260429] raid6: neonx4 gen() 5267 MB/s
Jan 21 11:37:21 nastie kernel: [ 889.328443] raid6: neonx4 xor() 4030 MB/s
Jan 21 11:37:21 nastie kernel: [ 889.396443] raid6: neonx2 gen() 4598 MB/s
Jan 21 11:37:21 nastie kernel: [ 889.464421] raid6: neonx2 xor() 3617 MB/s
Jan 21 11:37:21 nastie kernel: [ 889.532430] raid6: neonx1 gen() 3482 MB/s
Jan 21 11:37:21 nastie kernel: [ 889.600426] raid6: neonx1 xor() 2803 MB/s
Jan 21 11:37:21 nastie kernel: [ 889.668429] raid6: int64x8 gen() 3087 MB/s
Jan 21 11:37:22 nastie kernel: [ 889.736430] raid6: int64x8 xor() 1772 MB/s
Jan 21 11:37:22 nastie kernel: [ 889.804448] raid6: int64x4 gen() 3028 MB/s
Jan 21 11:37:22 nastie kernel: [ 889.872431] raid6: int64x4 xor() 1783 MB/s
Jan 21 11:37:22 nastie kernel: [ 889.940452] raid6: int64x2 gen() 2778 MB/s
Jan 21 11:37:22 nastie kernel: [ 890.008429] raid6: int64x2 xor() 1578 MB/s
Jan 21 11:37:22 nastie kernel: [ 890.076435] raid6: int64x1 gen() 2167 MB/s
Jan 21 11:37:22 nastie kernel: [ 890.144433] raid6: int64x1 xor() 1177 MB/s
Jan 21 11:37:22 nastie kernel: [ 890.144440] raid6: using algorithm neonx4 gen() 5267 MB/s
Jan 21 11:37:22 nastie kernel: [ 890.144444] raid6: .... xor() 4030 MB/s, rmw enabled
Jan 21 11:37:22 nastie kernel: [ 890.144448] raid6: using neon recovery algorithm
Jan 21 11:37:22 nastie kernel: [ 890.147239] xor: measuring software checksum speed
Jan 21 11:37:22 nastie kernel: [ 890.148603] 8regs : 7588 MB/sec
Jan 21 11:37:22 nastie kernel: [ 890.149730] 32regs : 8774 MB/sec
Jan 21 11:37:22 nastie kernel: [ 890.151018] arm64_neon : 7669 MB/sec
Jan 21 11:37:22 nastie kernel: [ 890.151022] xor: using function: 32regs (8774 MB/sec)
Jan 21 11:37:22 nastie kernel: [ 890.152357] async_tx: api initialized (async)
Jan 21 11:37:22 nastie kernel: [ 890.169166] md/raid:md0: device sdc1 operational as raid disk 2
Jan 21 11:37:22 nastie kernel: [ 890.169177] md/raid:md0: device sdb1 operational as raid disk 1
Jan 21 11:37:22 nastie kernel: [ 890.169182] md/raid:md0: device sda1 operational as raid disk 0
Jan 21 11:37:22 nastie kernel: [ 890.170843] md/raid:md0: raid level 5 active with 3 out of 4 devices, algorithm 2
Jan 21 11:37:22 nastie kernel: [ 890.170874] md0: Warning: Device sdd1 is misaligned
Jan 21 11:37:22 nastie kernel: [ 890.193366] md0: detected capacity change from 0 to 6000690069504
Jan 21 11:37:22 nastie kernel: [ 890.197206] md: recovery of RAID array md0
Jan 21 11:37:34 nastie systemd[1]: Starting Cleanup of Temporary Directories...
Jan 21 11:37:34 nastie systemd[1]: systemd-tmpfiles-clean.service: Succeeded.
Jan 21 11:37:34 nastie systemd[1]: Finished Cleanup of Temporary Directories.
Jan 21 11:38:31 nastie kernel: [ 959.481481] sd 0:0:0:0: [sda] tag#12 uas_eh_abort_handler 0 uas-tag 4 inflight: IN
Jan 21 11:38:31 nastie kernel: [ 959.481495] sd 0:0:0:0: [sda] tag#12 CDB: opcode=0x28 28 00 00 7c fe 07 00 04 00 00
Jan 21 11:38:31 nastie kernel: [ 959.497486] scsi host0: uas_eh_device_reset_handler start
Jan 21 11:38:31 nastie kernel: [ 959.626199] usb 2-2: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd
Jan 21 11:38:31 nastie kernel: [ 959.646495] usb 2-2: device firmware changed
Jan 21 11:38:31 nastie kernel: [ 959.654695] scsi host0: uas_eh_device_reset_handler FAILED err -19
Jan 21 11:38:31 nastie kernel: [ 959.654710] sd 0:0:0:0: Device offlined - not ready after error recovery
Jan 21 11:38:31 nastie kernel: [ 959.654765] sd 0:0:0:0: [sda] tag#12 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x06 cmd_age=31s
Jan 21 11:38:31 nastie kernel: [ 959.654773] sd 0:0:0:0: [sda] tag#12 CDB: opcode=0x28 28 00 00 7c fe 07 00 04 00 00
Jan 21 11:38:31 nastie kernel: [ 959.654781] blk_update_request: I/O error, dev sda, sector 8191495 op 0x0:(READ) flags 0x0 phys_seg 128 prio class 0
Jan 21 11:38:31 nastie kernel: [ 959.654791] md/raid:md0: read error not correctable (sector 8125960 on sda1).
...
Jan 21 11:38:31 nastie kernel: [ 959.654843] md/raid:md0: read error not correctable (sector 8126032 on sda1).
Jan 21 11:38:31 nastie kernel: [ 959.655016] sd 0:0:0:0: rejecting I/O to offline device
Jan 21 11:38:31 nastie kernel: [ 959.655019] blk_update_request: I/O error, dev sda, sector 8191503 op 0x0:(READ) flags 0x4000 phys_seg 1 prio class 0
...
Jan 21 11:38:31 nastie kernel: [ 959.655080] blk_update_request: I/O error, dev sda, sector 8191551 op 0x0:(READ) flags 0x4000 phys_seg 1 prio class 0
Jan 21 11:38:31 nastie kernel: [ 959.655209] usb 2-2: USB disconnect, device number 2
Jan 21 11:38:31 nastie kernel: [ 959.655423] md: super_written gets error=-5
Jan 21 11:38:31 nastie kernel: [ 959.661537] sd 0:0:0:0: [sda] Synchronizing SCSI cache
Jan 21 11:38:32 nastie kernel: [ 959.733483] sd 0:0:0:1: [sdb] tag#6 UNKNOWN(0x2003) Result: hostbyte=0x07 driverbyte=0x00 cmd_age=0s
Jan 21 11:38:32 nastie kernel: [ 959.733498] sd 0:0:0:1: [sdb] tag#6 CDB: opcode=0x35 35 00 00 00 00 00 00 00 00 00
Jan 21 11:38:32 nastie kernel: [ 959.733514] md: super_written gets error=-5
Jan 21 11:38:32 nastie kernel: [ 959.733683] md: super_written gets error=-5
Jan 21 11:38:32 nastie kernel: [ 959.733693] md: super_written gets error=-5
Jan 21 11:38:32 nastie kernel: [ 959.805481] sd 0:0:0:1: [sdb] tag#6 UNKNOWN(0x2003) Result: hostbyte=0x07 driverbyte=0x00 cmd_age=0s
Jan 21 11:38:32 nastie kernel: [ 959.805493] sd 0:0:0:1: [sdb] tag#6 CDB: opcode=0x35 35 00 00 00 00 00 00 00 00 00
Jan 21 11:38:32 nastie kernel: [ 959.805506] md: super_written gets error=-5
Jan 21 11:38:32 nastie kernel: [ 959.805659] md: super_written gets error=-5
Jan 21 11:38:32 nastie kernel: [ 959.881480] sd 0:0:0:1: [sdb] tag#6 UNKNOWN(0x2003) Result: hostbyte=0x07 driverbyte=0x00 cmd_age=0s
Jan 21 11:38:32 nastie kernel: [ 959.881492] sd 0:0:0:1: [sdb] tag#6 CDB: opcode=0x35 35 00 00 00 00 00 00 00 00 00
Jan 21 11:38:32 nastie kernel: [ 959.881504] md: super_written gets error=-5
Jan 21 11:38:32 nastie kernel: [ 959.881653] md: super_written gets error=-5
Jan 21 11:38:32 nastie kernel: [ 959.881662] md: super_written gets error=-5
Jan 21 11:38:32 nastie kernel: [ 959.913493] sd 0:0:0:0: [sda] Synchronize Cache(10) failed: Result: hostbyte=0x07 driverbyte=0x00
Jan 21 11:38:32 nastie kernel: [ 959.953485] sd 0:0:0:1: [sdb] tag#5 UNKNOWN(0x2003) Result: hostbyte=0x07 driverbyte=0x00 cmd_age=0s
Jan 21 11:38:32 nastie kernel: [ 959.953496] sd 0:0:0:1: [sdb] tag#5 CDB: opcode=0x35 35 00 00 00 00 00 00 00 00 00
Jan 21 11:38:32 nastie kernel: [ 959.953510] md: super_written gets error=-5
...
Jan 21 11:38:32 nastie kernel: [ 959.954320] md: super_written gets error=-5
Jan 21 11:38:32 nastie kernel: [ 959.954563] sd 0:0:0:1: [sdb] Synchronizing SCSI cache
Jan 21 11:38:32 nastie kernel: [ 959.955764] md: super_written gets error=-5
...
Jan 21 11:38:32 nastie kernel: [ 960.264179] md: super_written gets error=-5
Jan 21 11:38:32 nastie kernel: [ 960.265524] sd 0:0:0:1: [sdb] Synchronize Cache(10) failed: Result: hostbyte=0x07 driverbyte=0x00
Jan 21 11:38:32 nastie kernel: [ 960.266206] md: super_written gets error=-5
...
Jan 21 11:38:32 nastie kernel: [ 960.526793] md: super_written gets error=-5
Jan 21 11:38:32 nastie kernel: [ 960.527369] usb 2-2: New USB device found, idVendor=152d, idProduct=0561, bcdDevice=81.36
Jan 21 11:38:32 nastie kernel: [ 960.527375] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=5
Jan 21 11:38:32 nastie kernel: [ 960.527380] usb 2-2: Product: External Disk 3.0
Jan 21 11:38:32 nastie kernel: [ 960.527384] usb 2-2: Manufacturer: JMicron
Jan 21 11:38:32 nastie kernel: [ 960.527388] usb 2-2: SerialNumber: RANDOM__7CDEBB6A0840
Jan 21 11:38:32 nastie kernel: [ 960.528241] md: super_written gets error=-5
...
Jan 21 11:38:32 nastie kernel: [ 960.535054] md: super_written gets error=-5
Jan 21 11:38:32 nastie kernel: [ 960.535429] scsi host2: uas
Jan 21 11:38:32 nastie kernel: [ 960.536344] md: super_written gets error=-5
Jan 21 11:38:32 nastie kernel: [ 960.536377] md: super_written gets error=-5
Jan 21 11:38:32 nastie kernel: [ 960.536397] md: super_written gets error=-5
Jan 21 11:38:32 nastie kernel: [ 960.536406] scsi 2:0:0:0: Direct-Access JMicron Tech 8136 PQ: 0 ANSI: 6
Jan 21 11:38:32 nastie kernel: [ 960.537723] sd 2:0:0:0: Attached scsi generic sg0 type 0
Jan 21 11:38:32 nastie kernel: [ 960.538744] md: super_written gets error=-5
Jan 21 11:38:32 nastie kernel: [ 960.538773] md: super_written gets error=-5
Jan 21 11:38:32 nastie kernel: [ 960.538913] scsi 2:0:0:1: Direct-Access JMicron Tech 8136 PQ: 0 ANSI: 6
Jan 21 11:38:32 nastie kernel: [ 960.539029] sd 2:0:0:0: [sde] 3907029168 512-byte logical blocks: (2.00 TB/1.82 TiB)
Jan 21 11:38:32 nastie kernel: [ 960.539294] sd 2:0:0:0: [sde] Write Protect is off
Jan 21 11:38:32 nastie kernel: [ 960.539300] sd 2:0:0:0: [sde] Mode Sense: 67 00 10 08
Jan 21 11:38:32 nastie kernel: [ 960.540103] sd 2:0:0:0: [sde] Write cache: enabled, read cache: enabled, supports DPO and FUA
Jan 21 11:38:32 nastie kernel: [ 960.540234] scsi 2:0:0:1: Attached scsi generic sg1 type 0
Jan 21 11:38:32 nastie kernel: [ 960.540907] sd 2:0:0:0: [sde] Optimal transfer size 33553920 bytes
Jan 21 11:38:32 nastie kernel: [ 960.542251] md: super_written gets error=-5
Jan 21 11:38:32 nastie kernel: [ 960.542289] md: super_written gets error=-5
Jan 21 11:38:32 nastie kernel: [ 960.543075] sd 2:0:0:1: [sdf] 3907029168 512-byte logical blocks: (2.00 TB/1.82 TiB)
Jan 21 11:38:32 nastie kernel: [ 960.543345] sd 2:0:0:1: [sdf] Write Protect is off
Jan 21 11:38:32 nastie kernel: [ 960.543353] sd 2:0:0:1: [sdf] Mode Sense: 67 00 10 08
Jan 21 11:38:32 nastie kernel: [ 960.543852] sd 2:0:0:1: [sdf] Write cache: enabled, read cache: enabled, supports DPO and FUA
Jan 21 11:38:32 nastie kernel: [ 960.544235] md: super_written gets error=-5
Jan 21 11:38:32 nastie kernel: [ 960.544259] md: super_written gets error=-5
Jan 21 11:38:32 nastie kernel: [ 960.544660] sd 2:0:0:1: [sdf] Optimal transfer size 33553920 bytes
Jan 21 11:38:32 nastie kernel: [ 960.545619] md: super_written gets error=-5
...
Jan 21 11:38:32 nastie kernel: [ 960.561995] md: super_written gets error=-5
Jan 21 11:38:32 nastie kernel: [ 960.562089] sdf: sdf1
Jan 21 11:38:32 nastie kernel: [ 960.563064] md: super_written gets error=-5
Jan 21 11:38:32 nastie kernel: [ 960.563105] md: super_written gets error=-5
Jan 21 11:38:32 nastie kernel: [ 960.564218] sde: sde1
Jan 21 11:38:32 nastie kernel: [ 960.565133] md: super_written gets error=-5
Jan 21 11:38:32 nastie kernel: [ 960.565147] md: super_written gets error=-5
Jan 21 11:38:32 nastie kernel: [ 960.566239] sd 2:0:0:1: [sdf] Attached SCSI disk
Jan 21 11:38:32 nastie kernel: [ 960.566493] md: super_written gets error=-5
Jan 21 11:38:32 nastie kernel: [ 960.566530] md: super_written gets error=-5
Jan 21 11:38:32 nastie kernel: [ 960.567288] sd 2:0:0:0: [sde] Attached SCSI disk
Jan 21 11:38:32 nastie kernel: [ 960.568410] md: super_written gets error=-5
...
Jan 21 11:38:32 nastie kernel: [ 960.660238] md: super_written gets error=-5
Jan 21 11:38:33 nastie kernel: [ 960.699772] md0: detected capacity change from 6000690069504 to 0
Jan 21 11:38:33 nastie kernel: [ 960.699796] md: md0 stopped.
Jan 21 11:38:33 nastie systemd-udevd[4781]: sdb1: Process '/sbin/mdadm -If sdb1 --path platform-fd500000.pcie-pci-0000:01:00.0-usb-0:2:1.0-scsi-0:0:0:1' failed with exit code 1.
Jan 21 11:38:33 nastie mtp-probe: checking bus 2, device 4: "/sys/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb2/2-2"
Jan 21 11:38:33 nastie mtp-probe: bus: 2, device: 4 was not an MTP device
Jan 21 11:38:33 nastie mtp-probe: checking bus 2, device 4: "/sys/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb2/2-2"
Jan 21 11:38:33 nastie mtp-probe: bus: 2, device: 4 was not an MTP device