Attaching dmesg excerpt with the SCO failures and btmon HCI evidence reference.
** Attachment added: "dmesg Bluetooth SCO errors (MT7921 hci0)" https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/2173021/+attachment/6015023/+files/dmesg-bt.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2173021 Title: [MT7921] Bluetooth SCO (HFP/HSP microphone) broken — Setup Synchronous Connection rejected (0x20), corrupted SCO packets To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/2173021/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
