I just installed 7.22 from the website into home folder on Ubuntu 24.04
I got the following error
Spoiler:
$ ./calibre
Device 0 (VID=1949 and PID=9981) is UNKNOWN in libmtp v1.1.21.
Please report this VID/PID and the device model to the libmtp development team
libusb_claim_interface() reports device is busy, likely in use by GVFS or KDE MTP device handling alreadyLIBMTP PANIC: Unable to initialize device
Error while trying to open MTPDevice(busnum=1, devnum=55, vendor_id=6473, product_id=39297, bcd=547, serial='GN433W08432303BS', manufacturer='Amazon', product='Kindle Paperwhite Signature Edition') (Driver: <calibre.devices.mtp.driver.MTP_DEVICE object at 0x79d7959a0710>)
Traceback (most recent call last):
File "calibre/devices/mtp/unix/driver.py", line 218, in open
File "calibre/devices/mtp/base.py", line 24, in synchronizer
File "calibre/devices/mtp/unix/driver.py", line 170, in create_device
libmtp.MTPError: Unable to open MTP device with busnum=1 and devnum=55, tried 1 such devices
During handling of the a