Your journal.txt is showing the phone is regularly connecting and disconnecting. Normally that would be a hardware or kernel problem but in this case it does look like it's 'gvfsd' that's doing the disconnecting:
nov 02 15:36:23 RootBook gvfsd[3243692]: LIBMTP libusb: Attempt to reset device nov 02 15:36:23 RootBook gvfsd[3243692]: inep: usb_get_endpoint_status(): Onjuist apparaat nov 02 15:36:23 RootBook gvfsd[3243692]: outep: usb_get_endpoint_status(): Onjuist apparaat nov 02 15:36:23 RootBook kernel: usb 1-2: USB disconnect, device number 8 ... nov 02 15:36:26 RootBook gvfsd[3243759]: LIBMTP libusb: Attempt to reset device nov 02 15:36:26 RootBook gvfsd[3243759]: inep: usb_get_endpoint_status(): Onjuist apparaat nov 02 15:36:26 RootBook gvfsd[3243759]: outep: usb_get_endpoint_status(): Onjuist apparaat nov 02 15:36:26 RootBook kernel: usb 1-2: USB disconnect, device number 10 ** Package changed: gnome-shell (Ubuntu) => gnome-shell-extension-ubuntu-dock (Ubuntu) ** Summary changed: - Regression bug on hotplug-sniffer + Phone icon keeps flashing on random times on the dock mounting and unmounting the device -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1902563 Title: Phone icon keeps flashing on random times on the dock mounting and unmounting the device To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell-extension-ubuntu-dock/+bug/1902563/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
