[Bug 222204] New: Intel AX210 (8087:0032): A2DP audio stalls because the controller stops reporting HCI Number Of Completed Packets, while the ACL link stays up

[Bug 222204] New: Intel AX210 (8087:0032): A2DP audio stalls because the controller stops reporting HCI Number Of Completed Packets, while the ACL link stays up

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=222204

            Bug ID: 222204
           Summary: Intel AX210 (8087:0032): A2DP audio stalls because the
                    controller stops reporting HCI Number Of Completed
                    Packets, while the ACL link stays up
           Product: Drivers
           Version: 2.5
          Hardware: AMD
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P3
         Component: Bluetooth
          Assignee: linux-bluetooth@vger.kernel.org
          Reporter: danoomsys@proton.me
        Regression: No

Created attachment 311313
  --> https://bugzilla.kernel.org/attachment.cgi?id=311313&action=edit
Raw logs and full analysis

The full analysis is in the attached report-kernel-bugzilla.md; raw log
excerpts are in
report-bt-ax210-logs.tar.gz. In short:

Intel AX210 (USB 8087:0032) stops reporting HCI event 0x13 (Number Of Completed
Packets)
for the A2DP headset's ACL handle while the ACL link stays up. Audio goes
silent, BlueZ
still reports the device as connected, L2CAP echo keeps working, and only a
disconnect/reconnect restores playback. Happens 1-3 times per day, during
playback and
while the sink is idle, with SBC at short range. No USB errors and no kernel
warnings.

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[Bug 222204] Intel AX210 (8087:0032): A2DP audio stalls because the controller stops reporting HCI Number Of Completed Packets, while the ACL link stays up

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=222204

Daniele Cianci (danoomsys@proton.me) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Kernel Version|                            |7.3.0-4-cachyos

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