cbmctrl DEBUG fail

$ LIBUSB_DEBUG=9 XUM1541_DEBUG=9 cbmctrl status 8
[timestamp] [threadID] facility level [function call] <message>
--------------------------------------------------------------------------------
[ 0.000016] [00006223] libusb: debug [libusb_init] created default context
[ 0.000082] [00006223] libusb: debug [libusb_init] libusb v1.0.23.11397
[ 0.000131] [00006223] libusb: debug [find_usbfs_path] found usbfs at /dev/bus/usb
[ 0.000157] [00006223] libusb: debug [get_kernel_version] reported kernel version is 5.13.0-28-generic
[ 0.000173] [00006223] libusb: debug [op_init] bulk continuation flag supported
[ 0.000184] [00006223] libusb: debug [op_init] zero length packet flag supported
[ 0.000194] [00006223] libusb: debug [op_init] max iso packet length is (likely) 49152 bytes
[ 0.000217] [00006223] libusb: debug [op_init] sysfs can relate devices
[ 0.000231] [00006223] libusb: debug [op_init] sysfs has complete descriptors
[ 0.000559] [00006224] libusb: debug [linux_udev_event_thread_main] udev event thread entering.
[ 0.011740] [00006223] libusb: debug [linux_get_device_address] getting address for device: usb3 detached: 0
[ 0.011780] [00006223] libusb: debug [linux_get_device_address] scan usb3
[ 0.011863] [00006223] libusb: debug [linux_get_device_address] bus=3 dev=1
[ 0.011885] [00006223] libusb: debug [linux_enumerate_device] busnum 3 devaddr 1 session_id 769
[ 0.011905] [00006223] libusb: debug [linux_enumerate_device] allocating new device for 3/1 (session 769)
[ 0.012097] [00006223] libusb: debug [linux_get_device_address] getting address for device: 3-1 detached: 0
[ 0.012121] [00006223] libusb: debug [linux_get_device_address] scan 3-1
[ 0.012195] [00006223] libusb: debug [linux_get_device_address] bus=3 dev=10
[ 0.012216] [00006223] libusb: debug [linux_enumerate_device] busnum 3 devaddr 10 session_id 778
[ 0.012236] [00006223] libusb: debug [linux_enumerate_device] allocating new device for 3/10 (session 778)
[ 0.012306] [00006223] libusb: debug [linux_get_parent_info] Dev 0x55a4950533e0 (3-1) has parent 0x55a495053120 (usb3) port 1
[ 0.012453] [00006223] libusb: debug [linux_get_device_address] getting address for device: 3-2 detached: 0
[ 0.012477] [00006223] libusb: debug [linux_get_device_address] scan 3-2
[ 0.012734] [00006223] libusb: debug [linux_get_device_address] bus=3 dev=3
[ 0.012758] [00006223] libusb: debug [linux_enumerate_device] busnum 3 devaddr 3 session_id 771
[ 0.012779] [00006223] libusb: debug [linux_enumerate_device] allocating new device for 3/3 (session 771)
[ 0.012850] [00006223] libusb: debug [linux_get_parent_info] Dev 0x55a4950532e0 (3-2) has parent 0x55a495053120 (usb3) port 2
[ 0.013005] [00006223] libusb: debug [linux_get_device_address] getting address for device: usb4 detached: 0
[ 0.013028] [00006223] libusb: debug [linux_get_device_address] scan usb4
[ 0.013101] [00006223] libusb: debug [linux_get_device_address] bus=4 dev=1
[ 0.013123] [00006223] libusb: debug [linux_enumerate_device] busnum 4 devaddr 1 session_id 1025
[ 0.013143] [00006223] libusb: debug [linux_enumerate_device] allocating new device for 4/1 (session 1025)
[ 0.013324] [00006223] libusb: debug [linux_get_device_address] getting address for device: usb1 detached: 0
[ 0.013348] [00006223] libusb: debug [linux_get_device_address] scan usb1
[ 0.013422] [00006223] libusb: debug [linux_get_device_address] bus=1 dev=1
[ 0.013443] [00006223] libusb: debug [linux_enumerate_device] busnum 1 devaddr 1 session_id 257
[ 0.013463] [00006223] libusb: debug [linux_enumerate_device] allocating new device for 1/1 (session 257)
[ 0.013646] [00006223] libusb: debug [linux_get_device_address] getting address for device: usb5 detached: 0
[ 0.013670] [00006223] libusb: debug [linux_get_device_address] scan usb5
[ 0.013745] [00006223] libusb: debug [linux_get_device_address] bus=5 dev=1
[ 0.013766] [00006223] libusb: debug [linux_enumerate_device] busnum 5 devaddr 1 session_id 1281
[ 0.013786] [00006223] libusb: debug [linux_enumerate_device] allocating new device for 5/1 (session 1281)
[ 0.013994] [00006223] libusb: debug [linux_get_device_address] getting address for device: 5-1 detached: 0
[ 0.014020] [00006223] libusb: debug [linux_get_device_address] scan 5-1
[ 0.014097] [00006223] libusb: debug [linux_get_device_address] bus=5 dev=36
[ 0.014119] [00006223] libusb: debug [linux_enumerate_device] busnum 5 devaddr 36 session_id 1316
[ 0.014140] [00006223] libusb: debug [linux_enumerate_device] allocating new device for 5/36 (session 1316)
[ 0.014213] [00006223] libusb: debug [linux_get_parent_info] Dev 0x55a49502f1d0 (5-1) has parent 0x55a49502ecc0 (usb5) port 1
[ 0.014357] [00006223] libusb: debug [linux_get_device_address] getting address for device: usb6 detached: 0
[ 0.014381] [00006223] libusb: debug [linux_get_device_address] scan usb6
[ 0.014459] [00006223] libusb: debug [linux_get_device_address] bus=6 dev=1
[ 0.014481] [00006223] libusb: debug [linux_enumerate_device] busnum 6 devaddr 1 session_id 1537
[ 0.014501] [00006223] libusb: debug [linux_enumerate_device] allocating new device for 6/1 (session 1537)
[ 0.014731] [00006223] libusb: debug [linux_get_device_address] getting address for device: usb7 detached: 0
[ 0.014756] [00006223] libusb: debug [linux_get_device_address] scan usb7
[ 0.014833] [00006223] libusb: debug [linux_get_device_address] bus=7 dev=1
[ 0.014855] [00006223] libusb: debug [linux_enumerate_device] busnum 7 devaddr 1 session_id 1793
[ 0.014874] [00006223] libusb: debug [linux_enumerate_device] allocating new device for 7/1 (session 1793)
[ 0.015095] [00006223] libusb: debug [linux_get_device_address] getting address for device: 7-1 detached: 0
[ 0.015121] [00006223] libusb: debug [linux_get_device_address] scan 7-1
[ 0.015199] [00006223] libusb: debug [linux_get_device_address] bus=7 dev=2
[ 0.015220] [00006223] libusb: debug [linux_enumerate_device] busnum 7 devaddr 2 session_id 1794
[ 0.015240] [00006223] libusb: debug [linux_enumerate_device] allocating new device for 7/2 (session 1794)
[ 0.015315] [00006223] libusb: debug [linux_get_parent_info] Dev 0x55a4950300e0 (7-1) has parent 0x55a49502fbf0 (usb7) port 1
[ 0.015466] [00006223] libusb: debug [linux_get_device_address] getting address for device: 7-2 detached: 0
[ 0.015489] [00006223] libusb: debug [linux_get_device_address] scan 7-2
[ 0.015565] [00006223] libusb: debug [linux_get_device_address] bus=7 dev=3
[ 0.015587] [00006223] libusb: debug [linux_enumerate_device] busnum 7 devaddr 3 session_id 1795
[ 0.015607] [00006223] libusb: debug [linux_enumerate_device] allocating new device for 7/3 (session 1795)
[ 0.015687] [00006223] libusb: debug [linux_get_parent_info] Dev 0x55a4950305f0 (7-2) has parent 0x55a49502fbf0 (usb7) port 2
[ 0.015827] [00006223] libusb: debug [linux_get_device_address] getting address for device: usb2 detached: 0
[ 0.015849] [00006223] libusb: debug [linux_get_device_address] scan usb2
[ 0.015921] [00006223] libusb: debug [linux_get_device_address] bus=2 dev=1
[ 0.015941] [00006223] libusb: debug [linux_enumerate_device] busnum 2 devaddr 1 session_id 513
[ 0.015961] [00006223] libusb: debug [linux_enumerate_device] allocating new device for 2/1 (session 513)
[ 0.016146] [00006223] libusb: debug [linux_get_device_address] getting address for device: 2-4 detached: 0
[ 0.016169] [00006223] libusb: debug [linux_get_device_address] scan 2-4
[ 0.016244] [00006223] libusb: debug [linux_get_device_address] bus=2 dev=3
[ 0.016264] [00006223] libusb: debug [linux_enumerate_device] busnum 2 devaddr 3 session_id 515
[ 0.016284] [00006223] libusb: debug [linux_enumerate_device] allocating new device for 2/3 (session 515)
[ 0.016353] [00006223] libusb: debug [linux_get_parent_info] Dev 0x55a495030f70 (2-4) has parent 0x55a495030ac0 (usb2) port 4
[ 0.016563] [00006223] libusb: debug [usbi_add_pollfd] add fd 6 events 1
[ 0.016603] [00006223] libusb: debug [usbi_io_init] using timerfd for timeouts
[ 0.016622] [00006223] libusb: debug [usbi_add_pollfd] add fd 8 events 1
[XUM1541] scanning usb ...
[ 0.016686] [00006223] libusb: debug [libusb_get_device_list]
[ 0.016718] [00006223] libusb: debug [discovered_devs_append] need to increase capacity
[ 0.016741] [00006223] libusb: debug [libusb_get_device_descriptor]
[XUM1541] device 05ac:8501
[ 0.016785] [00006223] libusb: debug [libusb_get_device_descriptor]
[XUM1541] device 1d6b:0002
[ 0.016828] [00006223] libusb: debug [libusb_get_device_descriptor]
[XUM1541] device 05ac:0229
[ 0.016871] [00006223] libusb: debug [libusb_get_device_descriptor]
[XUM1541] device 05ac:8242
[ 0.016913] [00006223] libusb: debug [libusb_get_device_descriptor]
[XUM1541] device 1d6b:0001
[ 0.016956] [00006223] libusb: debug [libusb_get_device_descriptor]
[XUM1541] device 1d6b:0001
[ 0.016998] [00006223] libusb: debug [libusb_get_device_descriptor]
[XUM1541] device 16d0:0504
[XUM1541] found xu/xum1541 version 0208 on bus 5, device 36
[ 0.017067] [00006223] libusb: debug [libusb_open] open 5.36
[ 0.115827] [00006223] libusb: debug [usbi_add_pollfd] add fd 9 events 4
[ 0.115868] [00006223] libusb: debug [libusb_alloc_transfer] transfer 0x55a4950484e0
[ 0.115891] [00006223] libusb: debug [libusb_submit_transfer] transfer 0x55a4950484e0
[ 0.115907] [00006223] libusb: debug [add_to_flying_list] arm timerfd for timeout in 1000ms (first in line)
[ 0.115961] [00006223] libusb: debug [libusb_handle_events_timeout_completed] doing our own event handling
[ 0.115976] [00006223] libusb: debug [handle_events] poll fds modified, reallocating
[ 0.115997] [00006223] libusb: debug [handle_events] poll() 3 fds with timeout in 60000ms
[ 0.118021] [00006223] libusb: debug [handle_events] poll() returned 1
[ 0.118046] [00006223] libusb: debug [reap_for_handle] urb type=2 status=0 transferred=4
[ 0.118204] [00006223] libusb: debug [handle_control_completion] handling completion status 0
[ 0.118218] [00006223] libusb: debug [disarm_timerfd]
[ 0.118239] [00006223] libusb: debug [usbi_handle_transfer_completion] transfer 0x55a4950484e0 has callback 0x7f6a40d95fc0
[ 0.118257] [00006223] libusb: debug [sync_transfer_cb] actual_length=4
[ 0.118274] [00006223] libusb: debug [libusb_free_transfer] transfer 0x55a4950484e0
[ 0.118292] [00006223] libusb: debug [libusb_alloc_transfer] transfer 0x55a495050ff0
[ 0.118305] [00006223] libusb: debug [libusb_submit_transfer] transfer 0x55a495050ff0
[ 0.118321] [00006223] libusb: debug [add_to_flying_list] arm timerfd for timeout in 1000ms (first in line)
[ 0.118350] [00006223] libusb: debug [libusb_handle_events_timeout_completed] doing our own event handling
[ 0.118369] [00006223] libusb: debug [handle_events] poll() 3 fds with timeout in 60000ms
[ 0.120687] [00006223] libusb: debug [handle_events] poll() returned 1
[ 0.120712] [00006223] libusb: debug [reap_for_handle] urb type=2 status=0 transferred=72
[ 0.120725] [00006223] libusb: debug [handle_control_completion] handling completion status 0
[ 0.120743] [00006223] libusb: debug [disarm_timerfd]
[ 0.120758] [00006223] libusb: debug [usbi_handle_transfer_completion] transfer 0x55a495050ff0 has callback 0x7f6a40d95fc0
[ 0.120772] [00006223] libusb: debug [sync_transfer_cb] actual_length=72
[ 0.120787] [00006223] libusb: debug [libusb_free_transfer] transfer 0x55a495050ff0
[XUM1541] xum1541 name: xum1541 floppy adapter (ZOOMFLOPPY)
[ 0.120822] [00006223] libusb: debug [libusb_alloc_transfer] transfer 0x55a49504e130
[ 0.120839] [00006223] libusb: debug [libusb_submit_transfer] transfer 0x55a49504e130
[ 0.120853] [00006223] libusb: debug [add_to_flying_list] arm timerfd for timeout in 1000ms (first in line)
[ 0.120888] [00006223] libusb: debug [libusb_handle_events_timeout_completed] doing our own event handling
[ 0.120907] [00006223] libusb: debug [handle_events] poll() 3 fds with timeout in 60000ms
[ 0.122749] [00006223] libusb: debug [handle_events] poll() returned 1
[ 0.123082] [00006223] libusb: debug [reap_for_handle] urb type=2 status=0 transferred=4
[ 0.123105] [00006223] libusb: debug [handle_control_completion] handling completion status 0
[ 0.123123] [00006223] libusb: debug [disarm_timerfd]
[ 0.123142] [00006223] libusb: debug [usbi_handle_transfer_completion] transfer 0x55a49504e130 has callback 0x7f6a40d95fc0
[ 0.123157] [00006223] libusb: debug [sync_transfer_cb] actual_length=4
[ 0.123176] [00006223] libusb: debug [libusb_free_transfer] transfer 0x55a49504e130
[ 0.123205] [00006223] libusb: debug [libusb_alloc_transfer] transfer 0x55a495041ef0
[ 0.123228] [00006223] libusb: debug [libusb_submit_transfer] transfer 0x55a495041ef0
[ 0.123246] [00006223] libusb: debug [add_to_flying_list] arm timerfd for timeout in 1000ms (first in line)
[ 0.123295] [00006223] libusb: debug [libusb_handle_events_timeout_completed] doing our own event handling
[ 0.123325] [00006223] libusb: debug [handle_events] poll() 3 fds with timeout in 60000ms
[ 0.124711] [00006223] libusb: debug [handle_events] poll() returned 1
[ 0.125292] [00006223] libusb: debug [reap_for_handle] urb type=2 status=0 transferred=8
[ 0.125570] [00006223] libusb: debug [handle_control_completion] handling completion status 0
[ 0.125589] [00006223] libusb: debug [disarm_timerfd]
[ 0.125611] [00006223] libusb: debug [usbi_handle_transfer_completion] transfer 0x55a495041ef0 has callback 0x7f6a40d95fc0
[ 0.125629] [00006223] libusb: debug [sync_transfer_cb] actual_length=8
[ 0.125649] [00006223] libusb: debug [libusb_free_transfer] transfer 0x55a495041ef0
[XUM1541] xum1541 serial number:   0
[ 0.125710] [00006223] libusb: debug [libusb_get_configuration]
[ 0.126345] [00006223] libusb: debug [libusb_get_configuration] active config 1
[ 0.126363] [00006223] libusb: debug [libusb_claim_interface] interface 0
[ 0.126407] [00006223] libusb: debug [libusb_alloc_transfer] transfer 0x55a49504c000
[ 0.126423] [00006223] libusb: debug [libusb_submit_transfer] transfer 0x55a49504c000
[ 0.126436] [00006223] libusb: debug [add_to_flying_list] arm timerfd for timeout in 1650ms (first in line)
[ 0.126467] [00006223] libusb: debug [libusb_handle_events_timeout_completed] doing our own event handling
[ 0.126482] [00006223] libusb: debug [handle_events] poll() 3 fds with timeout in 60000ms
[ 0.126994] [00006223] libusb: debug [handle_events] poll() returned 1
[ 0.127718] [00006223] libusb: debug [reap_for_handle] urb type=2 status=0 transferred=8
[ 0.127727] [00006223] libusb: debug [handle_control_completion] handling completion status 0
[ 0.127736] [00006223] libusb: debug [disarm_timerfd]
[ 0.127748] [00006223] libusb: debug [usbi_handle_transfer_completion] transfer 0x55a49504c000 has callback 0x7f6a40d95fc0
[ 0.127757] [00006223] libusb: debug [sync_transfer_cb] actual_length=8
[ 0.127768] [00006223] libusb: debug [libusb_free_transfer] transfer 0x55a49504c000
[XUM1541] firmware version 8, library version 8
[XUM1541] device capabilities 1b status 02
[XUM1541] [xum1541_init] Tape supported, disk mode entered.
[ 0.128190] [00006223] libusb: debug [libusb_alloc_transfer] transfer 0x55a495049bd0
[ 0.128202] [00006223] libusb: debug [libusb_submit_transfer] transfer 0x55a495049bd0
[ 0.128212] [00006223] libusb: debug [add_to_flying_list] arm timerfd for timeout in 1650ms (first in line)
[ 0.128359] [00006223] libusb: debug [libusb_handle_events_timeout_completed] doing our own event handling
[ 0.128370] [00006223] libusb: debug [handle_events] poll() 3 fds with timeout in 60000ms
[ 0.128685] [00006223] libusb: debug [handle_events] poll() returned 1
[ 0.128703] [00006223] libusb: debug [reap_for_handle] urb type=2 status=-32 transferred=0
[ 0.128717] [00006223] libusb: debug [handle_control_completion] handling completion status -32
[ 0.128730] [00006223] libusb: debug [handle_control_completion] unsupported control request
[ 0.128743] [00006223] libusb: debug [disarm_timerfd]
[ 0.128758] [00006223] libusb: debug [usbi_handle_transfer_completion] transfer 0x55a495049bd0 has callback 0x7f6a40d95fc0
[ 0.128771] [00006223] libusb: debug [sync_transfer_cb] actual_length=0
[ 0.128786] [00006223] libusb: debug [libusb_free_transfer] transfer 0x55a495049bd0
[XUM1541] write 16 2 bytes from address 0x7ffe0ca1b16e flags 3
[ 0.128837] [00006223] libusb: debug [libusb_alloc_transfer] transfer 0x55a4950417a0
[ 0.128851] [00006223] libusb: debug [libusb_submit_transfer] transfer 0x55a4950417a0
[ 0.128865] [00006223] libusb: debug [add_to_flying_list] arm timerfd for timeout in 2147483647ms (first in line)
[ 0.128882] [00006223] libusb: debug [submit_bulk_transfer] need 1 urbs for new transfer with length 4
[ 0.128904] [00006223] libusb: debug [libusb_handle_events_timeout_completed] doing our own event handling
[ 0.128919] [00006223] libusb: debug [handle_events] poll() 3 fds with timeout in 60000ms
[ 0.129688] [00006223] libusb: debug [handle_events] poll() returned 1
[ 0.129708] [00006223] libusb: debug [reap_for_handle] urb type=3 status=0 transferred=4
[ 0.129721] [00006223] libusb: debug [handle_bulk_completion] handling completion status 0 of bulk urb 1/1
[ 0.129734] [00006223] libusb: debug [handle_bulk_completion] last URB in transfer --> complete!
[ 0.129747] [00006223] libusb: debug [disarm_timerfd]
[ 0.129762] [00006223] libusb: debug [usbi_handle_transfer_completion] transfer 0x55a4950417a0 has callback 0x7f6a40d95fc0
[ 0.129775] [00006223] libusb: debug [sync_transfer_cb] actual_length=4
[ 0.129790] [00006223] libusb: debug [libusb_free_transfer] transfer 0x55a4950417a0
[ 0.129804] [00006223] libusb: debug [libusb_alloc_transfer] transfer 0x55a495041880
[ 0.129817] [00006223] libusb: debug [libusb_submit_transfer] transfer 0x55a495041880
[ 0.129832] [00006223] libusb: debug [add_to_flying_list] arm timerfd for timeout in 2147483647ms (first in line)
[ 0.129848] [00006223] libusb: debug [submit_bulk_transfer] need 1 urbs for new transfer with length 2
[ 0.129868] [00006223] libusb: debug [libusb_handle_events_timeout_completed] doing our own event handling
[ 0.129882] [00006223] libusb: debug [handle_events] poll() 3 fds with timeout in 60000ms
[ 0.130694] [00006223] libusb: debug [handle_events] poll() returned 1
[ 0.130711] [00006223] libusb: debug [reap_for_handle] urb type=3 status=0 transferred=2
[ 0.130725] [00006223] libusb: debug [handle_bulk_completion] handling completion status 0 of bulk urb 1/1
[ 0.130738] [00006223] libusb: debug [handle_bulk_completion] last URB in transfer --> complete!
[ 0.130751] [00006223] libusb: debug [disarm_timerfd]
[ 0.130765] [00006223] libusb: debug [usbi_handle_transfer_completion] transfer 0x55a495041880 has callback 0x7f6a40d95fc0
[ 0.130779] [00006223] libusb: debug [sync_transfer_cb] actual_length=2
[ 0.130793] [00006223] libusb: debug [libusb_free_transfer] transfer 0x55a495041880
[XUM1541] wrote 2 bytes (48 6f)
[XUM1541] xum1541_wait_status checking for status
[ 0.130838] [00006223] libusb: debug [libusb_alloc_transfer] transfer 0x55a495041880
[ 0.130850] [00006223] libusb: debug [libusb_submit_transfer] transfer 0x55a495041880
[ 0.130865] [00006223] libusb: debug [add_to_flying_list] arm timerfd for timeout in 2147483647ms (first in line)
[ 0.130881] [00006223] libusb: debug [submit_bulk_transfer] need 1 urbs for new transfer with length 3
[ 0.130900] [00006223] libusb: debug [libusb_handle_events_timeout_completed] doing our own event handling
[ 0.130915] [00006223] libusb: debug [handle_events] poll() 3 fds with timeout in 60000ms
[ 6.958989] [00006223] libusb: debug [handle_events] poll() returned 1
[ 6.959039] [00006223] libusb: debug [reap_for_handle] urb type=3 status=-84 transferred=0
[ 6.959064] [00006223] libusb: debug [handle_bulk_completion] handling completion status -84 of bulk urb 1/1
[ 6.959078] [00006223] libusb: debug [handle_bulk_completion] low level error -84
[ 6.959092] [00006223] libusb: debug [disarm_timerfd]
[ 6.959109] [00006223] libusb: debug [usbi_handle_transfer_completion] transfer 0x55a495041880 has callback 0x7f6a40d95fc0
[ 6.959122] [00006223] libusb: debug [sync_transfer_cb] actual_length=0
[ 6.959141] [00006223] libusb: debug [libusb_free_transfer] transfer 0x55a495041880
USB error in xum1541_wait_status: LIBUSB_ERROR_IO