[tinker123]

Mint20.2
Cinnamon5.0.7
Calibre 6.5.0

I upgraded to 6.5.0.

I can't open eBooks, the view just hangs on launch.

Here is my command line output

Mint20.2UmaCinnamon5.0.7> calibre
Device 0 (VID=04e8 and PID=6860) is a Samsung Galaxy models (MTP).
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=87, vendor_id=1256, product_id=26720, bcd=547, serial='RFCRB0DSKJM', manufacturer='SAMSUNG', product='SAMSUNG_Android') (Driver: <calibre.devices.mtp.driver.MTP_DEVICE object at 0x7f4443ff52d0>)
Traceback (most recent call last):
File "calibre/devices/mtp/unix/driver.py", line 214, in open
File "calibre/devices/mtp/base.py", line 24, in synchronizer
File "calibre/devices/mtp/unix/driver.py", line 166, in create_device
libmtp.MTPError: Unable to open MTP device with busnum=1 and devnum=87, tried 1 such devices

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "calibre/gui2/device.py", line 325, in detect_device
File "calibre/devices/mtp/driver.py", line 127, in open
File "calibre/devices/mtp/base.py", line 24, in synchronizer
File "calibre/devices/mtp/unix/driver.py", line 217, in open
calibre.devices.errors.OpenFailed: Failed to open MTPDevice(busnum=1, devnum=87, vendor_id=1256, product_id=26720, bcd=547, serial='RFCRB0DSKJM', manufacturer='SAMSUNG', product='SAMSUNG_Android'): Error: Unable to open MTP device with busnum=1 and devnum=87, tried 1 such devices
Mint20.2UmaCinnamon5.0.7>

A screen shot of the hanging viewer

https://i2.paste.pics/69accdd10171da...b0a9d5583f.png


I do have the DRM plugin installed:

https://i2.paste.pics/3a48f6c8ce3e82...a12f526b3a.png


I really like and NEED Calibre, any help would be appreciated.

Thanks