On Wed, May 22, 2019 at 12:08 AM Marcel Holtmann <mar...@holtmann.org> wrote: > > Hi Vasily, > > >> This reverts commit d5bb334a8e171b262e48f378bd2096c0ea458265. > >> > >> This commit breaks some HID devices, see [1] for details > >> > >> https://bugzilla.kernel.org/show_bug.cgi?id=203643 > >> > >> Signed-off-by: Vasily Khoruzhick <anars...@gmail.com> > >> Cc: sta...@vger.kernel.org > > > > let me have a look at this. Maybe there is a missing initialization for > > older HID devices that we need to handle. Do you happen to have the full > > btmon binary trace from controller initialization to connection attempt for > > me? > > > > Are both devices Bluetooth 2.1 or later device that are supporting Secure > > Simple Pairing? Or is one of them a Bluetooth 2.0 or earlier device? > > I am almost certain that you have a Bluetooth 2.0 mouse. I made a really > stupid mistake in the key size check logic and forgot to bind it to SSP > support. Can you please check the patch that I just send you. > > https://lore.kernel.org/linux-bluetooth/20190522070540.48895-1-mar...@holtmann.org/T/#u
This patch fixes the issue for me. Thanks! > > Regards > > Marcel >