2021-08-16 09:49:16

by Paul Menzel

[permalink] [raw]
Subject: Dell laptop function keys stopped working between 5.10.46 and 5.13.9

Dear Linux folks,


On a Dell Latitude E7250, updating Linux from 5.10.46 to 5.13.9 (Debian
sid/unstable) the two function keys to (un-)mute the microphone, and
enable/disable Wifi stopped working. The other function keys continue to
work. The `evtest` output did not change.

Linux version 5.10.0-8-amd64 ([email protected])
(gcc-10 (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for
Debian) 2.35.2) #1 SMP Debian 5.10.46-4 (2021-08-03)

Event: time 1629104514.184947, type 4 (EV_MSC), code 4 (MSC_SCAN),
value 88
Event: time 1629104514.184947, type 1 (EV_KEY), code 240
(KEY_UNKNOWN), value 2

Linux version 5.13.0-trunk-amd64 ([email protected])
(gcc-10 (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for
Debian) 2.35.2) #1 SMP Debian 5.13.9-1~exp2 (2021-08-10)

Event: time 1629103829.341409, type 4 (EV_MSC), code 4 (MSC_SCAN),
value 88
Event: time 1629103829.341409, type 1 (EV_KEY), code 240
(KEY_UNKNOWN), value 2

The output of `acpi_listen` also did not change.

$ acpi_listen
9DBB5994-A997- 000000d0 00000000

Are you aware of such reports?


Kind regards,

Paul


2021-08-16 10:24:14

by Paul Menzel

[permalink] [raw]
Subject: Re: Dell laptop function keys stopped working between 5.10.46 and 5.13.9

[attach Linux 5.13.9 messages (output of `dmesg`)]

Am 16.08.21 um 11:48 schrieb Paul Menzel:
> Dear Linux folks,
>
>
> On a Dell Latitude E7250, updating Linux from 5.10.46 to 5.13.9 (Debian
> sid/unstable) the two function keys to (un-)mute the microphone, and
> enable/disable Wifi stopped working. The other function keys continue to
> work. The `evtest` output did not change.
>
>     Linux version 5.10.0-8-amd64 ([email protected])
> (gcc-10 (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for
> Debian) 2.35.2) #1 SMP Debian 5.10.46-4 (2021-08-03)
>
>     Event: time 1629104514.184947, type 4 (EV_MSC), code 4 (MSC_SCAN),
> value 88
>     Event: time 1629104514.184947, type 1 (EV_KEY), code 240
> (KEY_UNKNOWN), value 2
>
>     Linux version 5.13.0-trunk-amd64 ([email protected])
> (gcc-10 (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for
> Debian) 2.35.2) #1 SMP Debian 5.13.9-1~exp2 (2021-08-10)
>
>     Event: time 1629103829.341409, type 4 (EV_MSC), code 4 (MSC_SCAN),
> value 88
>     Event: time 1629103829.341409, type 1 (EV_KEY), code 240
> (KEY_UNKNOWN), value 2
>
> The output of `acpi_listen` also did not change.
>
>     $ acpi_listen
>      9DBB5994-A997- 000000d0 00000000
>
> Are you aware of such reports?
>
>
> Kind regards,
>
> Paul


Attachments:
linux-5.13.9-messages.txt (168.78 kB)

2021-08-16 10:36:14

by Hans de Goede

[permalink] [raw]
Subject: Re: Dell laptop function keys stopped working between 5.10.46 and 5.13.9

Hi,

On 8/16/21 12:22 PM, Paul Menzel wrote:
> [attach Linux 5.13.9 messages (output of `dmesg`)]

Does "lsmod" output include any Dell modules like dell-laptop or
dell-wmi ?

How about on the 5.10 kernel? It looks like the 5.13 kernel simply
does not have these modules enabled / loaded.

Regards,

Hans


>
> Am 16.08.21 um 11:48 schrieb Paul Menzel:
>> Dear Linux folks,
>>
>>
>> On a Dell Latitude E7250, updating Linux from 5.10.46 to 5.13.9 (Debian sid/unstable) the two function keys to (un-)mute the microphone, and enable/disable Wifi stopped working. The other function keys continue to work. The `evtest` output did not change.
>>
>>      Linux version 5.10.0-8-amd64 ([email protected]) (gcc-10 (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Debian 5.10.46-4 (2021-08-03)
>>
>>      Event: time 1629104514.184947, type 4 (EV_MSC), code 4 (MSC_SCAN), value 88
>>      Event: time 1629104514.184947, type 1 (EV_KEY), code 240 (KEY_UNKNOWN), value 2
>>
>>      Linux version 5.13.0-trunk-amd64 ([email protected]) (gcc-10 (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Debian 5.13.9-1~exp2 (2021-08-10)
>>
>>      Event: time 1629103829.341409, type 4 (EV_MSC), code 4 (MSC_SCAN), value 88
>>      Event: time 1629103829.341409, type 1 (EV_KEY), code 240 (KEY_UNKNOWN), value 2
>>
>> The output of `acpi_listen` also did not change.
>>
>>      $ acpi_listen
>>       9DBB5994-A997- 000000d0 00000000
>>
>> Are you aware of such reports?
>>
>>
>> Kind regards,
>>
>> Paul

2021-08-16 11:50:42

by Paul Menzel

[permalink] [raw]
Subject: Re: Dell laptop function keys stopped working between 5.10.46 and 5.13.9

Dear Hans,


Am 16.08.21 um 12:34 schrieb Hans de Goede:
> Hi,
>
> On 8/16/21 12:22 PM, Paul Menzel wrote:
>> [attach Linux 5.13.9 messages (output of `dmesg`)]
>
> Does "lsmod" output include any Dell modules like dell-laptop or
> dell-wmi ?
>
> How about on the 5.10 kernel? It looks like the 5.13 kernel simply
> does not have these modules enabled / loaded.

Indeed. Good find. The Kconfig option was renamed, and Debian does not
select it yet, so I submitted a report [1].



Kind regards,

Paul


[1]: https://bugs.debian.org/992251