On Sun, Jun 28, 2015 at 05:36:04PM +0200, Jörg Otte wrote: > 2015-06-26 16:28 GMT+02:00 Jörg Otte <jrg.otte@xxxxxxxxx>: > > 2015-06-26 12:03 GMT+02:00 Jörg Otte <jrg.otte@xxxxxxxxx>: > >> 2015-06-26 11:37 GMT+02:00 Marcel Holtmann <marcel@xxxxxxxxxxxx>: > >>> Hi Joerg, > >>> > >>>> Bluetooth is inoperable in current Linus tree and the > >>>> first bad commit is: > >>>> > >>>> 835a6a2f8603237a3e6cded5a6765090ecb06ea5 is the first bad commit > >>>> commit 835a6a2f8603237a3e6cded5a6765090ecb06ea5 > >>>> Author: Alexey Dobriyan <adobriyan@xxxxxxxxx> > >>>> Date: Wed Jun 10 20:28:33 2015 +0300 > >>>> > >>>> Bluetooth: Stop sabotaging list poisoning > >>>> > >>>> list_del() poisons pointers with special values, no need to overwrite them. > >>>> > >>>> Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx> > >>>> Signed-off-by: Marcel Holtmann <marcel@xxxxxxxxxxxx> > >>>> > >>>> My BT adapter is an intel 8087:07da > >>>> I reverted that commit and this fixed the problem for me. > >>> > >>> today we had a patch from Tedd fixing the list initialization in the HIDP code. > >>> > >>> diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c > >>> index 9070dfd6b4ad..f1a117f8cad2 100644 > >>> --- a/net/bluetooth/hidp/core.c > >>> +++ b/net/bluetooth/hidp/core.c > >>> @@ -915,6 +915,7 @@ static int hidp_session_new(struct hidp_session **out, const bdaddr_t *bdaddr, > >>> session->conn = l2cap_conn_get(conn); > >>> session->user.probe = hidp_session_probe; > >>> session->user.remove = hidp_session_remove; > >>> + INIT_LIST_HEAD(&session->user.list); > >>> session->ctrl_sock = ctrl_sock; > >>> session->intr_sock = intr_sock; > >>> skb_queue_head_init(&session->ctrl_transmit); > >>> > >>> Could this be fixing it for you as well? > >>> > >> I will check this when I am at home in the > >> afternoon. > >> > > > > The patch works for me too. > > > Ok, this was a little bit hasty! > I now see the following additional problems: > > - System freeze on resume (occures always). > - System freeze on shutdown (occures sometimes) > - System freeze when BT-mouse is connecting (occures sometimes). > > Then I can't do anything except power off. > > This happens only if Bluetooth AND BT-mouse is activated. OK, what happens if you just revert only list_del patch? -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
