[Bug 215167] Bluetooth: hci0: command 0xfc05 tx timeout

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=215167

Takahide Nojima (nozzy123nozzy@gmail.com) changed:

           What    |Removed                     |Added
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                 CC|                            |nozzy123nozzy@gmail.com

--- Comment #12 from Takahide Nojima (nozzy123nozzy@gmail.com) ---
 For reference purposes only, I will report here about the experience of 
similar problem with my laptop. My laptop  also has the intel AX201 and 
the dimidecode command shows  as below, 
---------------here------------
Handle 0x0011, DMI type 1, 27 bytes
System Information
        Manufacturer: HP
        Product Name: HP EliteBook 830 G7 Notebook PC
        Version:  
        Serial Number: XXXXXX
        UUID: xxx-xxx-xxx-xxx
        Wake-up Type: Power Switch
        SKU Number: 20L69PA#ABJ
        Family: 103C_5336AN HP EliteBook
---------------here-----------

 I checked some kernel versions whether AX201 Bluetooth works or not.

As a result, my situation was a little different,
  1. The AX201 works fine in Linux-5.14.16,Linux-5.15.5,Linux-5.16-rc2 
　　　and Linux-5.16-rc3.
  2. It doesn't work in Linux-5.15.3 and Linux-5.16-rc1.

 The Debian bug tracker reported a similar problem,
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1000403.
According to it, a  commit between 5.15.3 and 5.15.4 can improve 
this problem.

　I'm not sure, but I guess the intel AX201 hardware has some versions, 
and it causes whether the 5.15.5 and 5.16-rc3 works or not, for example.

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