cbmctrl hanging when polling ZF

[XUM1541] scanning usb ...

[XUM1541] scanning bus 007

[XUM1541] device 05ac:0229 at 003

[XUM1541] device 05ac:8242 at 002

[XUM1541] device 1d6b:0001 at 001

[XUM1541] scanning bus 006

[XUM1541] device 1d6b:0001 at 001

[XUM1541] scanning bus 005

[XUM1541] device 16d0:0504 at 017

[XUM1541] found xu/xum1541 version 0208 on bus 005, device 017

[XUM1541] xum1541 name: xum1541 floppy adapter (ZOOMFLOPPY)

[XUM1541] xum1541 serial number:   0

[XUM1541] firmware version 8, library version 8

[XUM1541] device capabilities 1b status 02

[XUM1541] [xum1541_init] Tape supported, disk mode entered.

[XUM1541] write 16 2 bytes from address 0x7fffa5945bce flags 3

[XUM1541] wrote 2 bytes (48 6f)

[XUM1541] xum1541waitstatus checking for status