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#1 2020-02-07 14:09:38

Hidena
Member
Registered: 2020-02-06
Posts: 4

Bluetooth stopped working after dual booting with windows BCM43142

For some reason bluetooth does not work properly after putting windows in dual-boot

The whole problem is reported here: unix.stackexchange

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#2 2020-02-07 14:27:23

judd1
Member
Registered: 2015-09-04
Posts: 252

Re: Bluetooth stopped working after dual booting with windows BCM43142

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#3 2020-02-07 15:17:16

Hidena
Member
Registered: 2020-02-06
Posts: 4

Re: Bluetooth stopped working after dual booting with windows BCM43142

I followed the guide and nothing changed

 dmesg | grep -i blue
[   12.651692] Bluetooth: Core ver 2.22
[   12.651715] Bluetooth: HCI device and connection manager initialized
[   12.651718] Bluetooth: HCI socket layer initialized
[   12.651720] Bluetooth: L2CAP socket layer initialized
[   12.651727] Bluetooth: SCO socket layer initialized
[   12.935657] Bluetooth: hci0: BCM: chip id 70
[   12.936650] Bluetooth: hci0: BCM: features 0x06
[   12.952597] Bluetooth: hci0: BCM43142A
[   12.953579] Bluetooth: hci0: BCM43142A0 (001.001.011) build 0000
[   13.555518] Bluetooth: hci0: BCM43142A0 (001.001.011) build 0201
[   13.571599] Bluetooth: hci0: Broadcom Bluetooth Device (43142)
[   14.077964] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[   14.077966] Bluetooth: BNEP filters: protocol multicast
[   14.077970] Bluetooth: BNEP socket layer initialized

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#4 2020-02-07 16:30:58

judd1
Member
Registered: 2015-09-04
Posts: 252

Re: Bluetooth stopped working after dual booting with windows BCM43142

There's a missing link, here it is, sorry about that...
https://askubuntu.com/questions/653743/ … tx-timeout

 dmesg | grep -i blue
[    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-linux-zen root=UUID=df548a45-26e2-448c-8c6a-964a8bcd1b6b rw bluetooth.disable_ertm=1 quiet btusb.enable_autosuspend=n loglevel=3
[    0.217465] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-linux-zen root=UUID=df548a45-26e2-448c-8c6a-964a8bcd1b6b rw bluetooth.disable_ertm=1 quiet btusb.enable_autosuspend=n loglevel=3
[    5.278603] Bluetooth: Core ver 2.22
[    5.278632] Bluetooth: HCI device and connection manager initialized
[    5.278636] Bluetooth: HCI socket layer initialized
[    5.278638] Bluetooth: L2CAP socket layer initialized
[    5.278642] Bluetooth: SCO socket layer initialized
[    5.496619] Bluetooth: hci0: BCM: chip id 70
[    5.497618] Bluetooth: hci0: BCM: features 0x06
[    5.513623] Bluetooth: hci0: BCM43142A0 Generic USB Class 2 NonUHE @ 20 MHz
[    5.514622] Bluetooth: hci0: BCM43142A0 (001.001.011) build 0341
[    6.240612] Bluetooth: hci0: BCM43142A0 (001.001.011) build 0341
[    6.256646] Bluetooth: hci0: BCM43142A0 Generic USB Class 2 NonUHE @ 20 MHz
[   19.502158] audit: type=1130 audit(1581088776.190:42): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=blueman-mechanism comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
[   49.541482] audit: type=1131 audit(1581088806.229:55): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=blueman-mechanism comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
[  823.465455] Bluetooth: hci0: BCM: chip id 70
[  823.466447] Bluetooth: hci0: BCM: features 0x06
[  823.482429] Bluetooth: hci0: BCM43142A
[  823.483423] Bluetooth: hci0: BCM43142A0 (001.001.011) build 0000
[  824.226438] Bluetooth: hci0: BCM43142A0 (001.001.011) build 0341
[  824.245466] Bluetooth: hci0: BCM43142A0 Generic USB Class 2 NonUHE @ 20 MHz

Edit: I don't remember if the links are correlative, it worked for me with Broadcom 43142, besides years ago I could solve it with these guides, before that it was impossible to connect to bluetooth with this card.

Last edited by judd1 (2020-02-07 16:43:17)

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#5 2020-02-07 17:25:12

Hidena
Member
Registered: 2020-02-06
Posts: 4

Re: Bluetooth stopped working after dual booting with windows BCM43142

The kernel is loading the firmware, the problem is that it looks like Windows hijacks the device. I need to keep turning Bluetooth on and off repeatedly until it works. I'm using rfkill to turn on and off

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