The problems start with the flash drive:
Nov 20 08:27:21 Tower kernel: xhci_hcd 0000:01:00.0: remove, state 4
Nov 20 08:27:21 Tower kernel: usb usb2: USB disconnect, device number 1
Nov 20 08:27:21 Tower kernel: xhci_hcd 0000:01:00.0: USB bus 2 deregistered
Nov 20 08:27:21 Tower kernel: xhci_hcd 0000:01:00.0: remove, state 1
Nov 20 08:27:21 Tower kernel: usb usb1: USB disconnect, device number 1
Nov 20 08:27:21 Tower kernel: usb 1-1: USB disconnect, device number 2
Nov 20 08:27:21 Tower kernel: print_req_error: I/O error, dev sda, sector 2049
Nov 20 08:27:21 Tower kernel: Buffer I/O error on dev sda1, logical block 1, lost async page write
Nov 20 08:27:21 Tower kernel: print_req_error: I/O error, dev sda, sector 32745
Nov 20 08:27:21 Tower kernel: Buffer I/O error on dev sda1, logical block 30697, lost async page write
Nov 20 08:27:21 Tower kernel: print_req_error: I/O error, dev sda, sector 469512
Nov 20 08:27:21 Tower kernel: Buffer I/O error on dev sda1, logical block 467464, lost async page write
Nov 20 08:27:21 Tower kernel: usb 1-5: USB disconnect, device number 3
Nov 20 08:27:21 Tower acpid: input device has been disconnected, fd 5
Nov 20 08:27:21 Tower acpid: input device has been disconnected, fd 6
Nov 20 08:27:21 Tower kernel: usb 1-6: USB disconnect, device number 4
Nov 20 08:27:21 Tower emhttpd: error: put_config_idx, 619: No such file or directory (2): fopen: /boot/config/shares/3ds_Max.cfg
Nov 20 08:27:21 Tower emhttpd: error: put_config_idx, 619: No such file or directory (2): fopen: /boot/config/shares/appdata.cfg
Nov 20 08:27:21 Tower emhttpd: error: put_config_idx, 619: No such file or directory (2): fopen: /boot/config/shares/data.cfg
Nov 20 08:27:21 Tower kernel: FAT-fs (sda1): Directory bread(block 30696) failed
Nov 20 08:27:21 Tower kernel: FAT-fs (sda1): Directory bread(block 30697) failed
Nov 20 08:27:21 Tower kernel: FAT-fs (sda1): Directory bread(block 30698) failed
Nov 20 08:27:21 Tower kernel: FAT-fs (sda1): Directory bread(block 30699) failed
Nov 20 08:27:21 Tower kernel: FAT-fs (sda1): Directory bread(block 30700) failed
Nov 20 08:27:21 Tower kernel: FAT-fs (sda1): Directory bread(block 30701) failed
Nov 20 08:27:21 Tower kernel: FAT-fs (sda1): Directory bread(block 30702) failed
Nov 20 08:27:21 Tower kernel: FAT-fs (sda1): Directory bread(block 30703) failed
Nov 20 08:27:21 Tower kernel: FAT-fs (sda1): Directory bread(block 30704) failed
Nov 20 08:27:21 Tower kernel: FAT-fs (sda1): Directory bread(block 30705) failed
Another option is if you're passing-through the Unraid flash drive to a VM.