Hi Ahmad, Tedd, On Tue, Jun 21, 2022 at 1:32 AM Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx> wrote: > > Hello Luiz, > > On 20.06.22 22:18, Luiz Augusto von Dentz wrote: > > On Mon, Jun 20, 2022 at 3:06 AM Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx> wrote: > >> Disconnect of connection #1 being processed after new connection #2 > >> concluded sounds wrong. Would I be able to reconnect > >> afterwards or would all connections, but the first, be directly > >> disconnected...? > > > > That depends on the order you have queued the commands, it will be > > processed in the exact order it is received, that why I said it is > > single queue design, and it is done like that to prevent messing up > > with states since we know the exact order the commands will be sent. > > > >>> otherwise we need a > >>> different queue to handle command that abort/cancel other already in > >>> the queue. > >> > >> Is the revert an acceptable interim solution or are there issues > >> I am missing? > > > > Afaik there were problem with concurrent connections request, so what > > would really help us here is to have some tests to emulate this > > scenario with our CI, in the meantime please check if the following > > fixes your problem: > > > > https://gist.github.com/Vudentz/b4fff292c7f4ad55ca3299fd5ab797ae > > Doesn't help unfortunately. First pairing works as before. > Second still fails: > > Bluetooth: hci0: Opcode 0x200d failed: -110 > Bluetooth: hci0: request failed to create LE connection: err -110 Can we try to add a test in mgmt-tester to reproduce the error above? > Cheers, > Ahmad > > > > >> Cheers, > >> Ahmad > >> > >>> > >>>> We've been deploying the revert for a while now and I just posted > >>>> it to the mailing list[1]. There have been other reports > >>>> of this issue with different hardware too and fixing sent_cmd > >>>> would likely be too complicated/time intensive for me. > >>>> > >>>> I am happy to test future patches that fix this properly though. > >>>> > >>>> [1]: https://lore.kernel.org/linux-bluetooth/20220616092418.738877-1-a.fatoum@xxxxxxxxxxxxxx/T/#t > >>>> > >>>> Cheers, > >>>> Ahmad > >>>> > >>>> > >>>> > >>>>> > >>>>> Cheers, > >>>>> Ahmad > >>>>> > >>>> > >>>> > >>>> -- > >>>> Pengutronix e.K. | | > >>>> Steuerwalder Str. 21 | http://www.pengutronix.de/ | > >>>> 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | > >>>> Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | > >>> > >>> > >>> > >> > >> > >> -- > >> Pengutronix e.K. | | > >> Steuerwalder Str. 21 | http://www.pengutronix.de/ | > >> 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | > >> Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | > > > > > > > > > -- > Pengutronix e.K. | | > Steuerwalder Str. 21 | http://www.pengutronix.de/ | > 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | > Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | -- Luiz Augusto von Dentz