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From:   Bruno Pitrus <brunopitrus@hotmail.com>
To:     Paul Menzel <pmenzel@molgen.mpg.de>
CC:     "linux-bluetooth@vger.kernel.org" <linux-bluetooth@vger.kernel.org>,
        "regressions@lists.linux.dev" <regressions@lists.linux.dev>,
        Takashi Iwai <tiwai@suse.de>,
        Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Subject: Re: regression: kernel 6.4.x breaks scanning/pairing (but not use) of
 LE devices
Thread-Topic: regression: kernel 6.4.x breaks scanning/pairing (but not use)
 of LE devices
Thread-Index: AQHZxwU/0l6XSi77i0WWX4xR1VKYUK/bT48AgAmttwA=
Date:   Fri, 11 Aug 2023 11:19:20 +0000
Message-ID: <5706628.DvuYhMxLoT@bruno-beit>
References: <2300626.ElGaqSPkdT@bruno-beit>
 <47e6ab77-e1dd-4ede-b75d-f484b2593395@molgen.mpg.de>
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Dnia sobota, 5 sierpnia 2023 09:31:08 CEST Paul Menzel pisze:=0A=
> [Cc: +regressions@]=0A=
> =0A=
> #regzbot introduced v6.3.9..v6.4.2=0A=
> =0A=
> Dear Bruno,=0A=
> =0A=
> =0A=
> Thank you for your report.=0A=
> =0A=
> Am 04.08.23 um 20:55 schrieb Bruno Pitrus:=0A=
> > I am using openSUSE Tumbleweed on a Dell Precision 3551 which has a=0A=
> > bluetooth adapter of ID 8087:0026 (Intel AX201). I am using a=0A=
> > Logitech M575 trackball mouse which only supports Bluetooth LE.=0A=
> > =0A=
> > With kernel 6.4.2 or newer, scanning for devices =97 using either the=
=0A=
> > KDE gui or bluetoothctl =97 most of the time returns only =93classic=0A=
> > bluetooth=94 devices like computers and phones, and not the mouse. If=
=0A=
> > the mouse was paired before, it works correctly however.=0A=
> > =0A=
> > With previous kernel versions (6.3.9 and before), pairing the mouse=0A=
> > worked correctly.=0A=
> =0A=
> Are you able to bisect the regression? Please also attach the Linux =0A=
> messages. (You can also create a ticket in the Linux kernel Bugzilla [1] =
=0A=
> and attach everything there.)=0A=
> =0A=
> =0A=
> Kind regards,=0A=
> =0A=
> Paul=0A=
> =0A=
> =0A=
> [1]: https://bugzilla.kernel.org/=0A=
> =0A=
=0A=
The offending commit is https://github.com/SUSE/kernel/commit/288c90224eec5=
5d13e786844b7954ef060752089 :=0A=
=0A=
> Bluetooth: Enable all supported LE PHY by default=0A=
> This enables 2M and Coded PHY by default if they are marked as supported=
=0A=
> in the LE features bits.=0A=
> =0A=
> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>=0A=