Hi Rafael, On Mon, Oct 14, 2024 at 2:37 PM Rafael J. Wysocki <rafael@xxxxxxxxxx> wrote: > > Hi Luiz, > > Unfortunately, commit 610712298b11 ("Bluetooth: btusb: Don't fail > external suspend requests") from you that appeared in 6.12-rc3 > prevents my Logitech Bluetooth mouse from connecting to the host > (btusb). The LED activity on the mouse indicates that it tries to > associate, but there is no response. It looks like the host is > suspended before the device can connect to it and it cannot be woken > up for some reason. > > It worked no problem in 6.12-rc2 and the above commit is the only BT > one in 6.12-rc3. Also reverting it makes things work again. > > In the "good" case (for example, in 6.12-rc3 with the above commit > reverted), the following messages are present in the kernel log: > > [ 251.748734] Bluetooth: HIDP (Human Interface Emulation) ver 1.2 > [ 251.748763] Bluetooth: HIDP socket layer initialized > [ 251.773010] hid-generic 0005:046D:B016.0001: unknown main item tag 0x0 > [ 251.774432] input: Bluetooth Mouse M336/M337/M535 Mouse as > /devices/pci0000:00/0000:00:14.0/usb1/1-7/1-7:1.0/bluetooth/hci0/hci0:1/0005:046D:B016.0001/input/input14 > [ 251.775733] input: Bluetooth Mouse M336/M337/M535 Consumer Control > as /devices/pci0000:00/0000:00:14.0/usb1/1-7/1-7:1.0/bluetooth/hci0/hci0:1/0005:046D:B016.0001/input/input15 > [ 251.777163] input: Bluetooth Mouse M336/M337/M535 Keyboard as > /devices/pci0000:00/0000:00:14.0/usb1/1-7/1-7:1.0/bluetooth/hci0/hci0:1/0005:046D:B016.0001/input/input18 > [ 251.815905] hid-generic 0005:046D:B016.0001: input,hidraw0: > BLUETOOTH HID v12.03 Mouse [Bluetooth Mouse M336/M337/M535] on > 9c:b6:d0:96:8e:c8 > > In the "bad" case (for example, in unmodified 6.12-rc3) they are not > there at all. Thanks for the report, we had quite a few similar reports and I will send a fix sortly. > Thanks! > -- Luiz Augusto von Dentz