正如标题所示，我有一个蓝牙耳机，几分钟后就会随机断开连接，这种情况只发生在我昨天升级到 21.04 之后。我不知道如何排除故障，所以任何反馈都很好。
断开连接时的一些日志：
Jun 10 10:28:14 laptop-gabriel rtkit-daemon[1213]: Supervising 13 threads of 4 processes of 1 users.
Jun 10 10:28:14 laptop-gabriel rtkit-daemon[1213]: Supervising 13 threads of 4 processes of 1 users.
Jun 10 10:28:16 laptop-gabriel rtkit-daemon[1213]: Supervising 13 threads of 4 processes of 1 users.
Jun 10 10:28:16 laptop-gabriel rtkit-daemon[1213]: Supervising 13 threads of 4 processes of 1 users.
Jun 10 10:28:21 laptop-gabriel plank.desktop[10392]: [06/10/21, 10:28:21:244] info: [RTM] (TAMHY3N9K) Processed 1 user_invalidated event(s) over 33.04ms
Jun 10 10:28:22 laptop-gabriel plank.desktop[10392]: [06/10/21, 10:28:22:380] info: [API-Q] (TAMHY3N9K) noversion-1623313702.379 Flannel users/info called with reason: flannel-call:users/info
Jun 10 10:28:22 laptop-gabriel plank.desktop[10392]: [06/10/21, 10:28:22:381] info: [API-Q] (TAMHY3N9K) noversion-1623313702.379 Flannel users/info is ENQUEUED
Jun 10 10:28:22 laptop-gabriel plank.desktop[10392]: [06/10/21, 10:28:22:381] info: [API-Q] (TAMHY3N9K) noversion-1623313702.379 Flannel users/info is ACTIVE
Jun 10 10:28:22 laptop-gabriel plank.desktop[10392]: [06/10/21, 10:28:22:646] info: [API-Q] (TAMHY3N9K) noversion-1623313702.379 Flannel users/info is RESOLVED
Jun 10 10:28:23 laptop-gabriel wpa_supplicant[917]: wlp0s20f3: CTRL-EVENT-SIGNAL-CHANGE above=0 signal=-59 noise=9999 txrate=270000
Jun 10 10:28:38 laptop-gabriel plank.desktop[10392]: [06/10/21, 10:28:38:297] info: [API-Q] (TAMHY3N9K) noversion-1623313718.288 Flannel users/info called with reason: flannel-call:users/info
Jun 10 10:28:38 laptop-gabriel plank.desktop[10392]: [06/10/21, 10:28:38:298] info: [API-Q] (TAMHY3N9K) noversion-1623313718.288 Flannel users/info is ENQUEUED
Jun 10 10:28:38 laptop-gabriel plank.desktop[10392]: [06/10/21, 10:28:38:299] info: [API-Q] (TAMHY3N9K) noversion-1623313718.288 Flannel users/info is ACTIVE
Jun 10 10:28:38 laptop-gabriel plank.desktop[10392]: [06/10/21, 10:28:38:368] info: [API-Q] (TAMHY3N9K) noversion-1623313718.288 Flannel users/info is RESOLVED
Jun 10 10:28:39 laptop-gabriel wpa_supplicant[917]: wlp0s20f3: CTRL-EVENT-SIGNAL-CHANGE above=1 signal=-66 noise=9999 txrate=270000
Jun 10 10:28:40 laptop-gabriel plank.desktop[10392]: [06/10/21, 10:28:40:433] info: [API-Q] (TAMHY3N9K) noversion-1623313720.432 Flannel users/info called with reason: flannel-call:users/info
Jun 10 10:28:40 laptop-gabriel plank.desktop[10392]: [06/10/21, 10:28:40:434] info: [API-Q] (TAMHY3N9K) noversion-1623313720.432 Flannel users/info is ENQUEUED
Jun 10 10:28:40 laptop-gabriel plank.desktop[10392]: [06/10/21, 10:28:40:435] info: [API-Q] (TAMHY3N9K) noversion-1623313720.432 Flannel users/info is ACTIVE
Jun 10 10:28:40 laptop-gabriel plank.desktop[10392]: [06/10/21, 10:28:40:506] info: [API-Q] (TAMHY3N9K) noversion-1623313720.432 Flannel users/info is RESOLVED
Jun 10 10:28:43 laptop-gabriel wpa_supplicant[917]: wlp0s20f3: CTRL-EVENT-SIGNAL-CHANGE above=0 signal=-71 noise=9999 txrate=270000
Jun 10 10:28:50 laptop-gabriel wpa_supplicant[917]: wlp0s20f3: CTRL-EVENT-SIGNAL-CHANGE above=1 signal=-69 noise=9999 txrate=270000
Jun 10 10:28:51 laptop-gabriel acpid[871]: input device has been disconnected, fd 26
Jun 10 10:28:51 laptop-gabriel dbus-daemon[876]: [system] Rejected send message, 0 matched rules; type="method_return", sender=":1.66" (uid=1000 pid=1348 comm="/usr/bin/pulseaudio --daemonize=no --log-target=jo" label="unconfined") interface="(unset)" member="(unset)" error name="(unset)" requested_reply="0" destination=":1.4" (uid=0 pid=875 comm="/usr/lib/bluetooth/bluetoothd " label="unconfined")
Jun 10 10:28:51 laptop-gabriel gsd-media-keys[1522]: Unable to get default sink
Jun 10 10:28:51 laptop-gabriel budgie-panel[1635]: gvc_mixer_stream_get_volume: assertion 'GVC_IS_MIXER_STREAM (stream)' failed
Jun 10 10:28:51 laptop-gabriel budgie-panel[1635]: gvc_mixer_stream_get_is_muted: assertion 'GVC_IS_MIXER_STREAM (stream)' failed
Jun 10 10:28:51 laptop-gabriel plank.desktop[10392]: [06/10/21, 10:28:51:518] info: [RTM] (TAMHY3N9K) Processed 1 reaction_added event(s) over 55.50ms
Jun 10 10:28:55 laptop-gabriel plank.desktop[10392]: [06/10/21, 10:28:55:376] info: [API-Q] (TAMHY3N9K) noversion-1623313735.375 Flannel users/info called with reason: flannel-call:users/info
Jun 10 10:28:55 laptop-gabriel plank.desktop[10392]: [06/10/21, 10:28:55:376] info: [API-Q] (TAMHY3N9K) noversion-1623313735.375 Flannel users/info is ENQUEUED
Jun 10 10:28:55 laptop-gabriel plank.desktop[10392]: [06/10/21, 10:28:55:377] info: [API-Q] (TAMHY3N9K) noversion-1623313735.375 Flannel users/info is ACTIVE
Jun 10 10:28:55 laptop-gabriel plank.desktop[10392]: [06/10/21, 10:28:55:446] info: [API-Q] (TAMHY3N9K) noversion-1623313735.375 Flannel users/info is RESOLVED
Jun 10 10:28:56 laptop-gabriel wpa_supplicant[917]: wlp0s20f3: CTRL-EVENT-SIGNAL-CHANGE above=1 signal=-68 noise=9999 txrate=270000
编辑：
尝试更新到最新的 Linux 固件但仍然断开连接：
Jul 09 09:09:31 laptop-gabriel acpid[877]: input device has been disconnected, fd 26
Jul 09 09:09:31 laptop-gabriel dbus-daemon[881]: [system] Rejected send message, 0 matched rules; type="method_return", sender=":1.64" (uid=1000 pid=1348 comm="/usr/bin/pulseaudio --daemonize=no --log-target=jo" label="unconfined") interface="(unset)" member="(unset)" error name="(unset)" requested_reply="0" destination=":1.3" (uid=0 pid=880 comm="/usr/lib/bluetooth/bluetoothd " label="unconfined")
Jul 09 09:11:55 laptop-gabriel gsd-media-keys[1526]: Unable to get default sink
Jul 09 09:11:55 laptop-gabriel budgie-panel[1637]: gvc_mixer_stream_get_volume: assertion 'GVC_IS_MIXER_STREAM (stream)' failed
Jul 09 09:11:55 laptop-gabriel budgie-panel[1637]: gvc_mixer_stream_get_is_muted: assertion 'GVC_IS_MIXER_STREAM (stream)' failed