From: bugzilla-daemon@bugzilla.kernel.org
To: linux-bluetooth@vger.kernel.org
Subject: [Bug 205115] New: MacBookPro13,1 (2016) Bluetooth not working
Date: Mon, 07 Oct 2019 13:08:07 +0000 [thread overview]
Message-ID: <bug-205115-62941@https.bugzilla.kernel.org/> (raw)
https://bugzilla.kernel.org/show_bug.cgi?id=205115
Bug ID: 205115
Summary: MacBookPro13,1 (2016) Bluetooth not working
Product: Drivers
Version: 2.5
Kernel Version: 5.3.1
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Bluetooth
Assignee: linux-bluetooth@vger.kernel.org
Reporter: christoph.gysin@gmail.com
Regression: No
Since https://bugzilla.kernel.org/show_bug.cgi?id=110901 was closed, I would
like to open a new bug to track the remaining issue on MacBookPro models
without touchbar, where bluetooth fails to initialise without an additional
patch.
$ dmesg | grep Bluetooth
[ 9.416324] Bluetooth: Core ver 2.22
[ 9.416343] Bluetooth: HCI device and connection manager initialized
[ 9.416348] Bluetooth: HCI socket layer initialized
[ 9.416350] Bluetooth: L2CAP socket layer initialized
[ 9.416355] Bluetooth: SCO socket layer initialized
[ 9.721375] Bluetooth: HCI UART driver ver 2.3
[ 9.721377] Bluetooth: HCI UART protocol H4 registered
[ 9.721377] Bluetooth: HCI UART protocol BCSP registered
[ 9.721390] Bluetooth: HCI UART protocol LL registered
[ 9.721390] Bluetooth: HCI UART protocol ATH3K registered
[ 9.721400] Bluetooth: HCI UART protocol Three-wire (H5) registered
[ 9.721433] Bluetooth: HCI UART protocol Intel registered
[ 9.749504] Bluetooth: HCI UART protocol Broadcom registered
[ 9.749517] Bluetooth: HCI UART protocol QCA registered
[ 9.749518] Bluetooth: HCI UART protocol AG6XX registered
[ 9.749526] Bluetooth: HCI UART protocol Marvell registered
[ 11.995669] Bluetooth: hci0: command 0xfc18 tx timeout
[ 12.663134] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 12.663136] Bluetooth: BNEP filters: protocol multicast
[ 12.663140] Bluetooth: BNEP socket layer initialized
[ 19.892179] Bluetooth: hci0: BCM: failed to write update baudrate (-110)
[ 19.892196] Bluetooth: hci0: Failed to set baudrate
[ 22.022193] Bluetooth: hci0: command 0x0c03 tx timeout
[ 29.915576] Bluetooth: hci0: BCM: Reset failed (-110)
The issue has been previously discussed at:
https://github.com/Dunedan/mbp-2016-linux/issues/29
Current workarounds are either:
https://github.com/lategoodbye/rpi-zero/commit/ed5900296dfb
or:
https://github.com/christophgysin/linux/commit/ddf622a0a19697af473051c8019fffc1eb66efe7
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