Same issue with Ubuntu 20.04(Lenovo x1 carbon gen8, logitech m350, k375s). But it was workaround for me: 1.open /var/lib/bluetooth/<adapter_mac>/<device_mac>/info, remove the following lines, and restart bluetooth.service:
[IdentityResolvingKey] Key=...
found in this discussion: https://bbs.archlinux.org/viewtopic.php?id=259954
Same issue with Ubuntu 20.04(Lenovo x1 carbon gen8, logitech m350, k375s). bluetooth/ <adapter_ mac>/<device_ mac>/info, remove the following lines, and restart bluetooth.service:
But it was workaround for me:
1.open /var/lib/
[IdentityResolv ingKey]
Key=...
found in this discussion: /bbs.archlinux. org/viewtopic. php?id= 259954
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