2019-08-15 11:05:48

by bugzilla-daemon

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Subject: [Bug 204589] New: Bluetooth touchpad (Apple Magic Trackpad) disconnects every few minutes

https://bugzilla.kernel.org/show_bug.cgi?id=204589

Bug ID: 204589
Summary: Bluetooth touchpad (Apple Magic Trackpad) disconnects
every few minutes
Product: Drivers
Version: 2.5
Kernel Version: 5.2.0-050200rc7-generic #201906300430 (and older)
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Bluetooth
Assignee: [email protected]
Reporter: [email protected]
Regression: No

Hello.

I initially reported this bug to Ubuntu's bugtracking system, and from there I
was redirected here.

This is the initial bug report:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1834085

Basically the bug is described in the bug report above, together with several
log files. I have an Apple Magic Trackpad 2 connected via bluetooth which
constantly disconnects and reconnects after a few secons, and I don't think it
has to do with the bluetooth module in my computer, as other bluetooth devices
work just fine.

I have experienced this issue in kernels v4.15.0-58-generic, v5.1.14 and
v5.2-rc6.

Tell me if you need more information I should provide.

Thanks in advance.

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2022-01-11 17:20:18

by bugzilla-daemon

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Subject: [Bug 204589] Bluetooth touchpad (Apple Magic Trackpad) disconnects every few minutes

https://bugzilla.kernel.org/show_bug.cgi?id=204589

[email protected] changed:

What |Removed |Added
----------------------------------------------------------------------------
CC| |[email protected]

--- Comment #6 from [email protected] ---
I had been experiencing this same issue with a Magic Trackpad 2 on the past
several releases of Fedora. My workaround was simply to plug in my trackpad
with a USB cable. After upgrading to Fedora 35, I tried using bluetooth again
and it seemed to be working fine for a week or so, but it is back to
disconnecting regularly, so I've switched back to a wired approach.

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2022-06-15 22:25:08

by bugzilla-daemon

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Subject: [Bug 204589] Bluetooth touchpad (Apple Magic Trackpad) disconnects every few minutes

https://bugzilla.kernel.org/show_bug.cgi?id=204589

--- Comment #7 from Andri Möll ([email protected]) ---
I know this bug is about the Magic Trackpad, but just in case they're related,
I'm experiencing the same drops with multiple ca 2010–2012 Apple Magic Mouse
products.

This with two different computers, kernel versions and BT chipsets:
- Arch Linux LTS v5.15.38-1-lts and Intel Corp. Wireless-AC 3168 Bluetooth
- Fedora v5.17.13-300.fc36.x86_64 and Intel Corp. AX201 Bluetooth
(linux-firmware @ 20220610)

There's definitely something reproducible. The common suggestion to disable
eSCO does not help.

I also noticed another possibly related issue:
https://bugzilla.kernel.org/show_bug.cgi?id=103631

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2022-06-16 13:08:14

by bugzilla-daemon

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Subject: [Bug 204589] Bluetooth touchpad (Apple Magic Trackpad) disconnects every few minutes

https://bugzilla.kernel.org/show_bug.cgi?id=204589

--- Comment #8 from [email protected] ---
And it is still happening for me on Fedora 36. Same experience as before, where
it seemed to be working better initially after upgrading, but after some
time/updates it is back to being very spotty. I'm not sure if this is my
imagination or not, but I always get my hopes up that it is fixed, only to have
them dashed.

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2023-01-11 21:18:20

by bugzilla-daemon

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Subject: [Bug 204589] Bluetooth touchpad (Apple Magic Trackpad) disconnects every few minutes

https://bugzilla.kernel.org/show_bug.cgi?id=204589

queeup ([email protected]) changed:

What |Removed |Added
----------------------------------------------------------------------------
CC| |[email protected]

--- Comment #9 from queeup ([email protected]) ---
Created attachment 303579
--> https://bugzilla.kernel.org/attachment.cgi?id=303579&action=edit
my systems dmesg.log

This is fedora silverblue 36 dmesg. Last lines have some disconnect info

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2023-01-11 21:23:36

by bugzilla-daemon

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Subject: [Bug 204589] Bluetooth touchpad (Apple Magic Trackpad) disconnects every few minutes

https://bugzilla.kernel.org/show_bug.cgi?id=204589

--- Comment #10 from queeup ([email protected]) ---
Created attachment 303580
--> https://bugzilla.kernel.org/attachment.cgi?id=303580&action=edit
journalctl -fu bluetooth > journalctl-bluetooth.log

print out of fedora silverblue 36 bluetooth service debug

journalctl -fu bluetooth > journalctl-bluetooth.log

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2023-01-11 21:24:39

by bugzilla-daemon

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Subject: [Bug 204589] Bluetooth touchpad (Apple Magic Trackpad) disconnects every few minutes

https://bugzilla.kernel.org/show_bug.cgi?id=204589

--- Comment #11 from queeup ([email protected]) ---
Created attachment 303581
--> https://bugzilla.kernel.org/attachment.cgi?id=303581&action=edit
btmon -p 7 -i hci0 -w hcidump

This is BTSnoop file. Collected disconnection errors.

file hcidump
hcidump: BTSnoop version 1

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2023-01-11 22:08:44

by bugzilla-daemon

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Subject: [Bug 204589] Bluetooth touchpad (Apple Magic Trackpad) disconnects every few minutes

https://bugzilla.kernel.org/show_bug.cgi?id=204589

--- Comment #12 from queeup ([email protected]) ---
```
$ lspci -nnk | grep 0280 -A3
03:00.0 Network controller [0280]: Intel Corporation Wi-Fi 6 AX200 [8086:2723]
(rev 1a)
Subsystem: Intel Corporation Wi-Fi 6 AX200NGW [8086:0084]
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi


$ lsusb -d 8087:
Bus 001 Device 004: ID 8087:0029 Intel Corp. AX200 Bluetooth


$ bluetoothctl info
Device 84:FC:FE:E0:A5:F0 (public)
Alias: Apple Magic Trackpad
Class: 0x00002594
Icon: input-tablet
Paired: yes
Bonded: yes
Trusted: yes
Blocked: no
Connected: yes
WakeAllowed: yes
LegacyPairing: yes
UUID: Human Interface Device... (00001124-0000-1000-8000-00805f9b34fb)
UUID: PnP Information (00001200-0000-1000-8000-00805f9b34fb)
Modalias: usb:v05ACp030Ed0160


$ uname -a
Linux fedora 5.19.6-200.fc36.x86_64 #1 SMP PREEMPT_DYNAMIC Wed Aug 31 17:58:15
UTC 2022 x86_64 x86_64 x86_64 GNU/Linux


$ cat /etc/os-release
NAME="Fedora Linux"
VERSION="36.20220902.0 (Silverblue)"
ID=fedora
VERSION_ID=36
VERSION_CODENAME=""
PLATFORM_ID="platform:f36"
PRETTY_NAME="Fedora Linux 36.20220902.0 (Silverblue)"
ANSI_COLOR="0;38;2;60;110;180"
LOGO=fedora-logo-icon
CPE_NAME="cpe:/o:fedoraproject:fedora:36"
HOME_URL="https://fedoraproject.org/"
DOCUMENTATION_URL="https://docs.fedoraproject.org/en-US/fedora-silverblue/"
SUPPORT_URL="https://ask.fedoraproject.org/"
BUG_REPORT_URL="https://bugzilla.redhat.com/"
REDHAT_BUGZILLA_PRODUCT="Fedora"
REDHAT_BUGZILLA_PRODUCT_VERSION=36
REDHAT_SUPPORT_PRODUCT="Fedora"
REDHAT_SUPPORT_PRODUCT_VERSION=36
PRIVACY_POLICY_URL="https://fedoraproject.org/wiki/Legal:PrivacyPolicy"
VARIANT="Silverblue"
VARIANT_ID=silverblue
OSTREE_VERSION='36.20220902.0'


$ rpm -qa linux-firmware iwlax2xx-firmware bluez
bluez-5.65-1.fc36.x86_64
iwlax2xx-firmware-20220815-138.fc36.noarch
linux-firmware-20220815-138.fc36.noarch


$ dmesg | grep firmware
[ 3.059539] i915 0000:00:02.0: [drm] Finished loading DMC firmware
i915/kbl_dmc_ver1_04.bin (v1.4)
[ 7.048785] Bluetooth: hci0: Minimum firmware build 1 week 10 2014
[ 7.101611] Bluetooth: hci0: Found device firmware: intel/ibt-20-1-3.sfi
[ 7.181529] iwlwifi 0000:03:00.0: Direct firmware load for
iwlwifi-cc-a0-72.ucode failed with error -2
[ 7.242302] iwlwifi 0000:03:00.0: loaded firmware version 71.058653f6.0
cc-a0-71.ucode op_mode iwlmvm
[ 8.865213] Bluetooth: hci0: Waiting for firmware download to complete


$ dmesg | grep Bluetooth
[ 6.876698] Bluetooth: Core ver 2.22
[ 6.876723] Bluetooth: HCI device and connection manager initialized
[ 6.876727] Bluetooth: HCI socket layer initialized
[ 6.876728] Bluetooth: L2CAP socket layer initialized
[ 6.876734] Bluetooth: SCO socket layer initialized
[ 7.047790] Bluetooth: hci0: Bootloader revision 0.3 build 0 week 24 2017
[ 7.048779] Bluetooth: hci0: Device revision is 1
[ 7.048781] Bluetooth: hci0: Secure boot is enabled
[ 7.048782] Bluetooth: hci0: OTP lock is enabled
[ 7.048783] Bluetooth: hci0: API lock is enabled
[ 7.048784] Bluetooth: hci0: Debug lock is disabled
[ 7.048785] Bluetooth: hci0: Minimum firmware build 1 week 10 2014
[ 7.101611] Bluetooth: hci0: Found device firmware: intel/ibt-20-1-3.sfi
[ 7.101745] Bluetooth: hci0: Boot Address: 0x24800
[ 7.101747] Bluetooth: hci0: Firmware Version: 20-28.22
[ 8.865213] Bluetooth: hci0: Waiting for firmware download to complete
[ 8.865758] Bluetooth: hci0: Firmware loaded in 1722796 usecs
[ 8.865806] Bluetooth: hci0: Waiting for device to boot
[ 8.880761] Bluetooth: hci0: Device booted in 14623 usecs
[ 8.880768] Bluetooth: hci0: Malformed MSFT vendor event: 0x02
[ 8.883561] Bluetooth: hci0: Found Intel DDC parameters:
intel/ibt-20-1-3.ddc
[ 8.885766] Bluetooth: hci0: Applying Intel DDC parameters completed
[ 8.886770] Bluetooth: hci0: Firmware revision 0.3 build 20 week 28 2022
[ 8.948322] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 8.948325] Bluetooth: BNEP filters: protocol multicast
[ 8.948330] Bluetooth: BNEP socket layer initialized
[ 10.495877] Bluetooth: RFCOMM TTY layer initialized
[ 10.495885] Bluetooth: RFCOMM socket layer initialized
[ 10.495932] Bluetooth: RFCOMM ver 1.11


$ dmesg | grep iwlwifi
[ 7.081904] iwlwifi 0000:03:00.0: enabling device (0000 -> 0002)
[ 7.181529] iwlwifi 0000:03:00.0: Direct firmware load for
iwlwifi-cc-a0-72.ucode failed with error -2
[ 7.242004] iwlwifi 0000:03:00.0: api flags index 2 larger than supported by
driver
[ 7.242021] iwlwifi 0000:03:00.0: TLV_FW_FSEQ_VERSION: FSEQ Version:
89.3.35.37
[ 7.242302] iwlwifi 0000:03:00.0: loaded firmware version 71.058653f6.0
cc-a0-71.ucode op_mode iwlmvm
[ 7.535978] iwlwifi 0000:03:00.0: Detected Intel(R) Wi-Fi 6 AX200 160MHz,
REV=0x340
[ 7.692651] iwlwifi 0000:03:00.0: Detected RF HR B3, rfid=0x10a100
[ 7.765022] iwlwifi 0000:03:00.0: base HW address: 8c:c6:81:9d:1c:5a
[ 7.784984] iwlwifi 0000:03:00.0 wlp3s0: renamed from wlan0


$ dmesg | grep Bluetooth
[ 6.876698] Bluetooth: Core ver 2.22
[ 6.876723] Bluetooth: HCI device and connection manager initialized
[ 6.876727] Bluetooth: HCI socket layer initialized
[ 6.876728] Bluetooth: L2CAP socket layer initialized
[ 6.876734] Bluetooth: SCO socket layer initialized
[ 7.047790] Bluetooth: hci0: Bootloader revision 0.3 build 0 week 24 2017
[ 7.048779] Bluetooth: hci0: Device revision is 1
[ 7.048781] Bluetooth: hci0: Secure boot is enabled
[ 7.048782] Bluetooth: hci0: OTP lock is enabled
[ 7.048783] Bluetooth: hci0: API lock is enabled
[ 7.048784] Bluetooth: hci0: Debug lock is disabled
[ 7.048785] Bluetooth: hci0: Minimum firmware build 1 week 10 2014
[ 7.101611] Bluetooth: hci0: Found device firmware: intel/ibt-20-1-3.sfi
[ 7.101745] Bluetooth: hci0: Boot Address: 0x24800
[ 7.101747] Bluetooth: hci0: Firmware Version: 20-28.22
[ 8.865213] Bluetooth: hci0: Waiting for firmware download to complete
[ 8.865758] Bluetooth: hci0: Firmware loaded in 1722796 usecs
[ 8.865806] Bluetooth: hci0: Waiting for device to boot
[ 8.880761] Bluetooth: hci0: Device booted in 14623 usecs
[ 8.880768] Bluetooth: hci0: Malformed MSFT vendor event: 0x02
[ 8.883561] Bluetooth: hci0: Found Intel DDC parameters:
intel/ibt-20-1-3.ddc
[ 8.885766] Bluetooth: hci0: Applying Intel DDC parameters completed
[ 8.886770] Bluetooth: hci0: Firmware revision 0.3 build 20 week 28 2022
[ 8.948322] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 8.948325] Bluetooth: BNEP filters: protocol multicast
[ 8.948330] Bluetooth: BNEP socket layer initialized
[ 10.495877] Bluetooth: RFCOMM TTY layer initialized
[ 10.495885] Bluetooth: RFCOMM socket layer initialized
[ 10.495932] Bluetooth: RFCOMM ver 1.11
```

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