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SubjectRe: Logitech G602 wireless mouse kernel error messages in 5.10.11+ kernels
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On 3/10/21 2:56 PM, Filipe Laíns wrote:
> On Wed, 2021-03-10 at 13:55 -0500, Mark Hounschell wrote:
>> I have been using a Logitech wireless G602 mouse since forever. As of
>> kernel 5.10.11 I get the following kernel messages;
>>
>>
>> $dmesg | grep -i logitech
> (snip)
>> .
>> .
>> .
>> Every mouse event seems to produce another "Unexpected input report
>> number 128" kernel message.
>>
>> The commit that started this is:
>>
>> commit 1e6fc9768ed2c3917e1fd7af26cb194dfe14f7da
>> Author: Filipe Laíns <lains@archlinux.org>
>> Date:   Mon Jan 4 20:47:17 2021 +0000
>>
>>      HID: logitech-dj: add the G602 receiver
>>
>>      [ Upstream commit e400071a805d6229223a98899e9da8c6233704a1 ]
>>
>>      Tested. The device gets correctly exported to userspace and I can see
>>      mouse and keyboard events.
>>
>>      Signed-off-by: Filipe Laíns <lains@archlinux.org>
>>      Signed-off-by: Jiri Kosina <jkosina@suse.cz>
>>      Signed-off-by: Sasha Levin <sashal@kernel.org>
>>
>> The actual patch:
>>
>> diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c
>> index 1ffcfc9a1e033..45e7e0bdd382b 100644
>> --- a/drivers/hid/hid-logitech-dj.c
>> +++ b/drivers/hid/hid-logitech-dj.c
>> @@ -1869,6 +1869,10 @@ static const struct hid_device_id
>> logi_dj_receivers[] = {
>>            HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
>>                  0xc531),
>>           .driver_data = recvr_type_gaming_hidpp},
>> +       { /* Logitech G602 receiver (0xc537) */
>> +         HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
>> +               0xc537),
>> +        .driver_data = recvr_type_gaming_hidpp},
>>          { /* Logitech lightspeed receiver (0xc539) */
>>            HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
>>                  USB_DEVICE_ID_LOGITECH_NANO_RECEIVER_LIGHTSPEED_1),
>>
>>
>>
>> markh@harley:~> lsusb
>> Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
>> Bus 003 Device 003: ID 046d:c537 Logitech, Inc.
>> Bus 003 Device 002: ID 0424:2504 Standard Microsystems Corp. USB 2.0 Hub
>> Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
>> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>>
>>
>>
>> With the patch reverted:
>>
>> $dmesg | grep -i logitech
> (snip)
>>
>> $lsusb
>> Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
>> Bus 003 Device 003: ID 046d:c537 Logitech, Inc.
>> Bus 003 Device 002: ID 0424:2504 Standard Microsystems Corp. USB 2.0 Hub
>> Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
>> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>>
>> With or without the patch and error messages the mouse has always worked.
>>
>> Regards
>> Mark
>
> Yes, sorry about that. The following patch should fix it, can you confirm?
> You probably didn't notice any breakage because you do not have any of your
> buttons bound to keyboard events.
>
>
> commit ef07c116d98772952807492bd32a61f5af172a94 (hid/for-5.11/upstream-fixes)
> Author: Filipe Laíns <lains@riseup.net>
> Date: Fri Feb 5 14:34:44 2021 +0000
>
> HID: logitech-dj: add support for keyboard events in eQUAD step 4 Gaming
>
> In e400071a805d6229223a98899e9da8c6233704a1 I added support for the
> receiver that comes with the G602 device, but unfortunately I screwed up
> during testing and it seems the keyboard events were actually not being
> sent to userspace.
> This resulted in keyboard events being broken in userspace, please
> backport the fix.
>
> The receiver uses the normal 0x01 Logitech keyboard report descriptor,
> as expected, so it is just a matter of flagging it as supported.
>
> Reported in
> https://github.com/libratbag/libratbag/issues/1124
>
> Fixes: e400071a805d6 ("HID: logitech-dj: add the G602 receiver")
> Cc: <stable@vger.kernel.org>
> Signed-off-by: Filipe Laíns <lains@riseup.net>
> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
>
> diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c
> index 45e7e0bdd382..fcdc922bc973 100644
> --- a/drivers/hid/hid-logitech-dj.c
> +++ b/drivers/hid/hid-logitech-dj.c
> @@ -980,6 +980,7 @@ static void logi_hidpp_recv_queue_notif(struct hid_device
> *hdev,
> case 0x07:
> device_type = "eQUAD step 4 Gaming";
> logi_hidpp_dev_conn_notif_equad(hdev, hidpp_report, &workitem);
> + workitem.reports_supported |= STD_KEYBOARD;
> break;
> case 0x08:
> device_type = "eQUAD step 4 for gamepads";
>
>

That is correct, I don't have any buttons bound to keyboard events. With
the original patch the G4(forward) and G5(Backward) buttons work in a
browser. I guess G7, G8, and G9 buttons are programmable to keyboard events?

However this patch does not seem to fix the messages I get.

Regards
Mark

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