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Thread: Bluetooth stop working after suspend

  1. #1
    Join Date
    Mar 2023
    Beans
    3

    Bluetooth stop working after suspend

    Hello everyone

    So, my bluetooth stop working after suspend (is that the correct word?) my laptop and close it's screen. In the morning, after woke it up of suspension, i've noticed the same problem, but a simple 'init 6' has resolved. Now, it does nothing.

    IDK if it matters, but after installing the OS (22.04) the bluetooth had problems. Every time it connect, the wifi was dropped. i got it resolve by adding

    'options iwlwifi bt_coex_active=0 swcrypto=1 11n_disable=8'

    at the end of /etc/modprobe.d/iwlwifi.conf file.



    So, I've already tried:

    Code:
    marrocs@marrocs-Vostro-3550:~$ sudo systemctl start bluetooth
    [sudo] senha para marrocs: 
    marrocs@marrocs-Vostro-3550:~$ rfkill unblock bluetooth
    marrocs@marrocs-Vostro-3550:~$
    and:

    Code:
    marrocs@marrocs-Vostro-3550:~$ ps aux | grep blue
    marrocs     5748  0.0  0.0   9104  2360 pts/0    R+   18:15   0:00 grep --color=auto blue
    marrocs@marrocs-Vostro-3550:~$ systemctl | grep blue
    marrocs@marrocs-Vostro-3550:~$
    My laptop is a Dell vostro 3550, with 5.19.0-35-generic kernel.



    So, does anybody got any idea?


    (This is my first post, so sorry if i made something wrong)

  2. #2
    Join Date
    Mar 2010
    Location
    USA
    Beans
    Hidden!
    Distro
    Ubuntu Development Release

    Re: Bluetooth stop working after suspend

    Try this:
    Code:
    hci_id=$(rfkill list | grep hci | cut -d: -f1)
    rfkill block $hci_id
    rfkill unblock $hci_id

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