Hello: This patch was applied to bluetooth/bluetooth-next.git (master) by Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>: On Tue, 4 Apr 2023 10:27:11 +0800 you wrote: > As shown in the schematic diagram below.There may be a critical > scenario in the current code. If the device does not receive an > pure ack sent by the host due to insufficient receive buffer or > other reasons and triggers a retransmission, the host will always > be in an 'out-of-order' state.The state machine will get stuck. > > host device > SEQ3,ACK4 ---------> > <--------- SEQ4,ACK4 > pure ACK ---------> (not received) > (out-of-order) <--------- SEQ4,ACK4(retransmission) > ........ > (out-of-order) <--------- SEQ4,ACK4(retransmission) > > [...] Here is the summary with links: - [v2] Bluetooth: hci_h5: Complements reliable packet processing logic https://git.kernel.org/bluetooth/bluetooth-next/c/13a6ebae665d You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html