Re: regression: kernel 6.4.x breaks scanning/pairing (but not use) of LE devices

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Dnia sobota, 5 sierpnia 2023 09:31:08 CEST Paul Menzel pisze:
> [Cc: +regressions@]
> 
> #regzbot introduced v6.3.9..v6.4.2
> 
> Dear Bruno,
> 
> 
> Thank you for your report.
> 
> Am 04.08.23 um 20:55 schrieb Bruno Pitrus:
> > I am using openSUSE Tumbleweed on a Dell Precision 3551 which has a
> > bluetooth adapter of ID 8087:0026 (Intel AX201). I am using a
> > Logitech M575 trackball mouse which only supports Bluetooth LE.
> > 
> > With kernel 6.4.2 or newer, scanning for devices — using either the
> > KDE gui or bluetoothctl — most of the time returns only “classic
> > bluetooth” devices like computers and phones, and not the mouse. If
> > the mouse was paired before, it works correctly however.
> > 
> > With previous kernel versions (6.3.9 and before), pairing the mouse
> > worked correctly.
> 
> Are you able to bisect the regression? Please also attach the Linux 
> messages. (You can also create a ticket in the Linux kernel Bugzilla [1] 
> and attach everything there.)
> 
> 
> Kind regards,
> 
> Paul
> 
> 
> [1]: https://bugzilla.kernel.org/
> 

The offending commit is https://github.com/SUSE/kernel/commit/288c90224eec55d13e786844b7954ef060752089 :

> Bluetooth: Enable all supported LE PHY by default
> This enables 2M and Coded PHY by default if they are marked as supported
> in the LE features bits.
> 
> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>




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