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 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 |
